Editing Events

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Events are driven by the currently selected [[AI Storytellers|AI storyteller]]. They range from everyday occurrences like passers by, to all out assaults on the colony.

The player will be notified of an event's occurrence by an envelope icon that will appear down the right side of the screen. Envelopes are color coded according to whether the event is good or bad - blue envelopes denote good events, red envelopes denote bad events, and yellow envelopes denote neutral events.

Clicking an envelope will open up the message with a description of the event, and the option to either dismiss the notification or, where possible, go to the location of the event. Alternatively, notification messages can be dismissed without opening via right click.
{{TOCright}}
= Event Descriptions =
==Big Threats==

=== Enemy Attack ===
{{main|Raider}}

Commonly known as a raid, this event comes in several types. The size of a raid is determined by your colony's wealth, and the difficulty setting of the AI Storyteller. It is possible for multiple raids to occur at the same time, possibly to the benefit of the player if both raids are from opposing factions.

Different types of raids include:

==== Assaults ====

Assault raids arrive either via the edge of the map or by drop pod. They may assault the colony immediately, or stage for a time before launching their attack, allowing colonists time to take up defensive positions, or to skirmish/counter assault the attackers.

==== Mid-Base Assaults ====

A group of raiders arrives via drop pods directly in the player's base, leaving little time to prepare. Drop pods may punch through a constructed roof or thin rock roof, but not overhead mountains.

==== Sieges ====

Siege raids typically have a party of raiders arrive and set up a small camp along the edge of the map with a number of sandbag walls and mortars which could be [[Mortar|explosive]] or [[Incendiary mortar|incendiary]]. They will fire upon colonists, colony structures and any visitors or other raiders from factions they are hostile to, only stopping to eat and sleep.

Siege parties will abandon their camp and any remaining construction to assault the colony when their siege weapons are destroyed or they suffer significant casualties.  Any remaining supplies and objects from their camp can be claimed, deconstructed and used by the player.


=== [[Infestation]] ===

A bug [[hive]] has emerged! It will slowly spawn [[insectoids|bugs]] as well as produce additional hives. If you don't want it to infest the whole area, muster your forces and destroy it. But beware - the bugs will defend their hive.

Infestations will only spawn under an overhead mountain. If all insects are killed, the hives will slowly die out after a while. Hives also bring glow pods that glow for 20 days (as long as they’re installed) and can be reinstalled or sold.

Hives also produce insect Jelly, so if you could trap the hives via walls and doors, you could potentially farm the insect Jelly, though the insects are liable to digging out.

=== Manhunter Pack ===

A pack of man-hunting [[Animal|animals]] have entered the area. They will roam the region, hunting for humanoid flesh. If they see a colonist run behind a door, they will attempt to beat down the door. They'll leave the area in a few days. 

A manhunter pack has 40% more points allocated to enemy spawning than an ordinary raid (i.e. a manhunter pack is 40% bigger than a standard raid), and animals from manhunter packs will congregate around your base for anywhere from 24 to 54 in-game hours before they all leave.

Tip:
To some people, this could be useful for taming. For example: you have tamed the only muffalo on the map and you want to tame another one but sadly there are none on the map. But then, some muffalo attack, you can wound some, heal them, and tame them.

Manhunter packs always consist of a single animal type. As of Alpha 17 it can spawn with any animal type.

Before Alpha 17, animals eligible to be selected for a manhunter pack include:

*[[Warg]]
*[[Elephant]]
*[[Muffalo]]
*[[Boomalope]]
*[[Boomrat]]
*[[Rhinoceros]]
*[[Wild boar]]

Boars, Wargs, and Muffalo can be very problematic to deal with even with moderately-well defended colonies because the former 3 can easily outrun humans, and they all typically arrive in very high numbers meaning they can easily overwhelm a colony. Boomalopes are arguably easier to deal with in larger numbers as chain reactions can easily happen because of their large 3-square blast radius, meaning that even packs excess of 40 boomalopes can trivially be dealt with by half a dozen of people armed with automatic weapons (e.g. Charge Rifles, LMGs, Miniguns etc.)

Although manhunter packs are generally a big threat to colonies they might be useful too if the colony is running low on [[meat]]. A strategy to do this is to draft a colonist, place it in a door to shoot a maddened animal until it starts to bleed and move the colonist back to safety, then wait until the animal dies from blood loss, be careful thought since this will draw the attention of surrounding maddened animals making them attack the door where the colonist came from so be ready to repair it immediately; Wait until the other animals from the pack go to sleep or walk away far enough to haul the dead one(s), it's recommended to use a colonist with bionic legs or an improved move speed trait to prevent other animals to catch it up and attack it.

=== Psychic Ship ===

This event sees a massive piece of an ancient ship crash down to the surface near (or even in) the colony. This ship part happens to contain a hostile AI core that emits a psychic drone that negatively affects the [[mood]] of all humans on the map. This drone begins low, but grows progressively stronger the longer the ship part remains, therefore it is advisable to destroy the part as quickly as possible. A colonist's psychic sensitivity [[traits]] may worsen or lessen the effect of the drone. 

The AI is also capable of emitting concentrated bursts of psychic energy, driving one colonist to an immediate mental break, or a localized blast that drives all animals in the immediate vicinity insane.

Upon attacking the part however, a group of mechanoids will emerge to defend the crashed ship part and its AI core. The size of the group is dependent on colony wealth and storyteller difficulty.

When destroyed the ship drops an [[AI Persona Core]].  They are very valuable and are a necessary component to build the [[ship computer core]].

=== Psychic Wave ===

A psychic wave is a pulse of psychic energy that immediately drives a number of the local [[animals|wildlife]] insane, causing them to attack the nearest human, and any animal that happens to be standing in their way. A psychic wave is not to be laughed at - most of the wildlife in RimWorld is quite fast, and can close the gap to a colonist before they can get off a second shot, often leading to the colonist being overwhelmed.

== Special ==
Special events only occur during certain circumstances.

=== Ancient Danger ===
This event is related to map generation and may not appear on every map. It may occur more than once per map.

''"As (Colonist Name) draws near the ancient wall a sense of foreboding overcomes him. (S)He isn't sure why, but (s)he feels this dusty structure may contain great dangers"'' -message that appears when the first colonist walks near

A [[Ancient structure|walled out area]] of the map that can contain either [[cryptosleep casket]]s, [[insectoids|bugs]], [[mechanoid]]s, treasure, or some combination of those. Open at your own risk by blowing a hole in the wall or deconstructing a section. The [[cryptosleep casket]]s usually contain humans, but may be empty.  Opening or attacking any casket will cause all the others to open instantly.  The people inside the caskets may or may not be dead.  If alive, they may or may not be armed and hostile.  It's even possible for pawns incapable of Violent to melee attack.  If they are not hostile and can walk, they will try to escape.  Any alive spacers inside may be captured and recruited, with usually a low recruitment difficulty percentage.

Pod people sometimes come with [[plasteel]], [[component]]s, and [[gold]]. [[luciferium]] can be found in these buildings.  Ancient structures may include other treasures like psychic lances and pulsers.  The caskets can be claimed and used or deconstructed by the colony.

=== Friendlies ===
This event occurs at random only during attacks and only if relations with other factions are friendly.

When any hostiles appear, friendly factions may send fighters on their own to assist the player at no cost.  Optionally, the player can use the [[comms console]] and call upon friendly factions to send a group of fighters to assist them at a cost of relations. It is important to observe relations between the friendly faction and the raiders however, as friendly factions won't assist you against people that they aren't hostile to.

Keep in mind that if your own colonists assist in their attack, your errant attacks can still damage your relations with that faction if your colonists hit them.  Also, rescuing and healing any of their downed attackers will improve relations once they exit the map.

===Refugee Chased at (Settlement)===
This event will not trigger if the colony doesn't have hostile relations with any faction.  Pirate band factions should always be hostile since any attempt to improve relations with them is disregarded by design.

When this event triggers a window appears stating that an individual calls you via radio from nearby, seeking refuge from a faction that is hostile to you and chasing them. The player may choose 'Offer safety' or 'Ignore the message'. Ignoring the message will end the event. Offering safety will spawn the individual as a colonist at the map's edge who proceeds towards the colony. Shortly thereafter, the pursuing faction arrives in the form of a raid entering the map where the refugee appeared.  The number of pursuing faction members depends on the current size and strength of the colony.

The new colonist will be unarmed with little clothing.

=== Traitor ===
This event is disabled and should be disregarded.

<!--This event text is intentionally removed from view since this event is disabled. 
When this event occurs, a colonist is suddenly revealed to be an agent of one of the colony's enemies - they will attempt to flee, but can be recaptured (and/or punished) before they do so.
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===Zzztt...===

This event can only occur if there is at least one battery with stored power and connected to an active power grid with a power conduit.

At any moment, a power conduit may suffer a fault, causing it to explode and expel all stored power in the attached circuit in the process.  The amount of stored power directly affects the size of the explosion, up to a maximum of 15 squares in diameter from a total of 90,000 Wd stored.  The explosion can damage any nearby structures, items and colonists, as well as catch anything flammable nearby on fire.  The explosion will often completely destroy the one section of power conduit where it occurred, cutting off power to anything past it unless there is another path for the electricity to flow around this damage.  Laying redundant pathways throughout your colony prevents this.

In addition to the explosion and fire, it will completely empty all batteries attached to that circuit. Isolated batteries will not be discharged.

==Small Threats==

===Animal Revenge===

An animal that was harmed will go mad and target whomever hurt it.  The game will notify you if such an animal chosen for Hunting will likely attack if harmed, usually predators.  Occasionally, all nearby pack members of that animal's species may start attacking their attacker, possibly killing them.

===Mad Animal===

When this event occurs, a single random animal on the map is driven insane. Like with the psychic wave, the insane animal will charge toward the nearest human, attacking any other animal or obstacle (doors, etc.) in its way. This event is particularly dangerous if a Boomalope or Boomrat turns, as they explode upon death and the latter can also reliably catch up to an unmodified human regardless of traits.

== General Bad ==

=== Alphabeavers ===

A group of ravenous wood-munching [[alphabeaver]]s appears at the edge of the map. They will continually eat [[trees]] (including any you're farming) and [[Saguaro_cactus|Saguaro cacti]] until they consume them all, unless you eradicate them first.

It is recommended to bring more than one colonist to exterminate them if you choose to. If one turns manhunter, the whole pack will become manhunters, which can turn individually weak beavers into a small army of killing machines.


=== Breakdown ===

One of your machines will break down and will not work until repaired with a [[component]].  If this happens to a [[hydroponics basin]], any crops in it will wither and die unless repaired immediately.

This only applies to machines using electricity.

=== Breakup ===
[[File:Breakup.png|300px|thumb|none|Breakup]]
A couple splits.

=== Birthday ===
Character gains an age-related illness such as a bad back or cataracts.

Due to age or a pre-existing health condition, they can also have a [[Injury#Heart_Attack|heart attack]].
[[File:Birthday.png|thumb|left|Birthday]]
{{clear}}

=== Blight ===

This event destroys most if not all of the colony's planted crops across the map, including hydroponic crops grown indoors. Be sure to keep a reserve of food to counter the issue or resort to hunting until more food can be grown.

[[Devilstrand mushroom]]s are immune to this event. Any trees in your growing zones that are native to the biome are spared, but not other trees you may be growing.
[[File:Blight.png|300px|none]]

=== Bonded animal's death ===
An animal with bond to a colonist dies, affecting mood negatively.

This isn't a random event on its own, instead being a possible consequence to them. It can also occur by manually killing, slaughtering or euthanizing the animal.

[[File:Bonded animals death.png|300px|thumb|none|Bonded animal dies affecting the owner's mood.]]

=== Caravan Ambushed / (manhunters) ===

While travelling, one of your [[caravan]]s will be attacked.  The game will give you a mini map to defend it.

The attackers can be an enemy faction lying in ambush or a rampaging manhunter pack your caravan unfortunately trespasses upon.

=== Cold Snap ===

A cold snap makes the [[temperature]] of a colony drop for several days.  Colonists will complain about the cold, especially sleeping in it if their rooms are not properly heated. 

While this is generally good for item preservation, It can kill off crops and influence colonist moods and cause Hypothermia if colonists or animals stay in non-heated areas for a prolonged time. It also renders most of the plants in the area inedible, potentially causing tame animals to starve to death and wild ones to leave the map.  [[Jacket]]s, [[Duster]]s, [[parka]]s and [[tuque]]s provide cold insulation for colonists, protecting them while they're awake, though they don't affect mood caused by sleeping in cold areas.

=== Disease (Name) ===

One or several of your colonists and/or prisoners will be afflicted with a sickness.  The chance of which sickness infected with depends on the biome.

Alternatively, any pawn with untreated bleeding wounds also have a chance to get an [[infection]].

=== Eclipse ===

During a solar eclipse, solar generators cease producing power, and outdoor crops stop growing. Be sure to have power and food stored for times like these, or an eclipse coupled with a raid could be the death of an unprepared colony.

=== Flashstorm === 

A localized, intense lightning storm in one area of the map. Causes big [[fire]]s. Clicking the envelope icon offers the option to jump to the location where the strikes will be.

=== Heat Wave ===

A heat wave sweeps the colony, driving [[temperature]] up for several days. Colonists will complain about the heat, especially sleeping in it if their rooms are not properly cooled. Additionally, things might rot in [[Temperature#Freezer_Tips|inadequately cooled freezers]]. There is also a chance for a fire to randomly appear on the map which can quickly spread and burn down an entire colony.

Heat waves sometimes can be deadly to unprepared colonies, mostly tribal ones since they have it harder to build air conditioners since they start without that technology and it takes longer to unlock it.  For them it's advised to use passive coolers in rooms or food stockpiles to prevent food from rotting quickly and colonists and animals from getting a heatstroke.  [[Duster]]s and [[cowboy hat]]s provide heat insulation for colonists, protecting them while they're awake, though they don't affect mood caused by sleeping in hot areas.

Additionally some animals will leave the map if the temperature gets higher than they can stand.

=== Mental Break: (Type) ===

One of your colonists has had it and has a [[Mood#Mental breakdowns|mental break]].  During this time, they will be unavailable for colony work and may possibly cause more trouble for themselves or others, depending on the type of break.

=== Poison Ship ===

A Poison Ship event kills plants in an expanding circle, eventually reaching the entire map. Do not confuse this with the plant killing snow aura present on both Poison Ships and Ancient Crashed Ships. The poison kill crops randomly, including plants grown in [[Hydroponics basin]]s. The affected areas will ultimately have dramatically reduced chances of maturing simple crops, and slower crops will end up nearly impossible to grow.

=== Prison break ===

Prisoners have staged a breakout! They have somehow defeated the door lock and are making their way out. They may seek weapons, fight, or try to escape. Prisoners are more likely to attempt breakout when they are unhappy, numerous, and healthy.
[[File:Prison break.png|300px|thumb|none|Prison break]]

=== Psychic Drone ===

Drone in this case does not refer to "Unmanned Aerial Vehicle" but instead "To produce a low-pitched hum or buzz."

A Psychic Drone phenomenon affects all colonists of a randomly chosen gender, negatively influencing their mood. Colonists have no choice but to endure it as the point of origin is off map. Psychic sensitivity [[traits]] can be a big factor in the threat posed by this event.


=== Solar Flare ===

Solar flares cause all electrical items on the map to stop working for the duration of the event. Solar flares are particularly dangerous for colonies that rely on turrets for defense, as they will be vulnerable to any raid that arrives during the solar flare.

During the summer, they will cause coolers to fail, causing any frozen perishable goods to begin spoiling; in cold areas, heaters will fail causing ground based greenhouse crops to quickly die as well, this can be abated with campfires though. Colonists will also be at risk of getting heatstroke or hypothermia if you're in an area with extreme temperatures and don't have other temperature control devices.

Crops grown in hydroponic basins will rapidly die regardless of the temperature. It's recommended to quickly Harvest any crops that can't be saved before they die.

=== Toxic Fallout ===

A distant chemical fire has released a plume of poison over this entire region. Any person or creature not under a roof will be slowly [[Ailments#Toxic_Buildup|sickened]] by the toxic dust settling out of the atmosphere. It will last for anywhere between a few days to over a month.

Plants will wither under the fallout. This event will usually wipe out all wild animals and poses a serious danger to tamed ones unless they are restricted to an area under a roof.
Toxic Buildup, which is caused by toxic fallout, can cause [[Injury#Old_Age|dementia]], and eventually a carcinoma (according to game files) if it progresses far enough. However, the latter is treatable via a lengthy operation with the use of at least [[Medicine]], or removed via a surgery.

If you are running low on food, wait for animals to die and then butcher their corpses.


=== Volcanic Winter ===

A distant supervolcano has erupted and begun spewing millions of cubic kilometers of ash into the atmosphere. Ash in the atmosphere will obscure the sun. Temperatures will drop, plants will suffer for lack of sunlight and solar panels will not produce as much power. It could pass in a few weeks, or it might last many months.

Volcanic Winters also appear to significantly reduce the inflow of wildlife (observed in a Temperate Forest, 300x300, very few animals came in from Spring-Summer when there'd normally be many), which can easily lead to meat shortages and famine if you don't have sufficiently large farms for your colony.

== General Good ==

=== Animals join ===

Naturally tamed farm animals join your colony.
[[File:Animals join.png|400px|thumb|none|Animals join]]

=== Animal self-tamed === 

A random animal on the map becomes self tamed.

=== Area Revealed ===

A hidden area has been opened up on the map. It's often associated with deconstructing a wall section of an [[#Ancient_Danger|Ancient Danger]], which are usually easy to find due to their rectangular shape.

It can also occur with mining, sometimes by accident, but sometimes entrances to these areas can be seen on the map.  Look along the edges of a mountain for one or more visible edge blocks facing inward. Mining this section out can reveal new mineral riches, new farmland, new animals, new threats... or absolutely nothing.
<gallery widths="300px" heights="300px" class="center" mode="nolines">
File:Inward facing edges.png| '''Find inward facing edges,''' 
File:Area revealed.png| '''...and open up an entire cave,'''
File:Inward facing rocks.png|'''more inward rocks'''
</gallery>

=== Cargo Pods ===

From time to time, cargo pods from the wreckage of the ship will fall out of orbit and land on your map. Each drop will contain only one type of resource in a random amount.  The remains of the pods become pieces of slag, which can be refined into usable metal at an [[electric smelter]].  The pods have a chance of crashing through the roofs of any buildings, damaging any nearby furniture and structures.

=== Escape Pod ===

Rarely, an escape pod will crash land nearby. The occupant will be incapacitated, but can be rescued and treated or be [[Prisoner|captured]] and possibly recruited into the colony. It's possible for the person to be related to someone in the colony. This is indicated on the notice as <tt>Escape pod (relationship)</tt>.  Usually, this pawn will join the colony once healed.  Still, the pawn has the opportunity to walk off on their own once healed.  If you do nothing, they have the same opportunity to stand on their own after awhile and walk off, depending on their injuries.

For a near-guaranteed way to recruit them, capture rather than rescue them. Their recruitment difficulty percentage is usually low and this will also train your warden's Social skill.

=== Friendly AI ===

Later in-game, friendly AI will contact the colony and reveal the location of a working [[ship]] that the colonists can use to escape this Rimworld.  The ship is located in a map tile that is always far away, usually requiring several stops along the way to resupply.

This event occurs only once.

=== Goodwill ===

This notification will appear once relations have been improved with a Hostile faction enough that they will no longer be hostile.  Common ways to improve relations include releasing prisoners from their faction or gifting silver via the [[comms console]].

=== Item Stash Opportunity (Time Remaining) ===

Another faction leader will offer to tell you for a price the location of a cache of items nearby on the map.  The items will often be guarded and others will gather the items first if you aren't fast enough getting to them.

Note that you must have enough silver near an [[orbital trade beacon]] to pay the price.  Oddly enough, you can receive this message from the other factions without building a comms console.

=== Marriage is on! ===
A couple that has been together for awhile will announce their engagement.  The wedding will take place some time in the future. This allows players to have enough preparation time to build a [[Marriage spot]] if they choose.  If not, any Gather Spot will do. When the day of the wedding arrives, it will take place regardless of the entire colony's attendance.

Colonists who do not reach the meeting point on time, such as those sleeping, fighting fires or lying incapacitated in bed, will not gain the mood buffs.  A quick Draft and Undraft should be enough to distract all capable colonists to attend.  Colonists in caravans cannot attend.

[[File:Marriage is on.png|400px]]

=== New lovers ===
[[File:New lovers.png|250px|thumb|none|A character woos another into a romance and she agrees]]
Two characters fall in love.  Build them a 2 pawn bed and assign it so they can sleep together.  This avoids a mood debuff for both colonists and occasionally gain them another buff.

=== New Recruit ===

You'll get this notification whenever a Warden has succeeded in recruiting a prisoner.

=== Party ===

One of your colonists will throw a party, improving the moods of all attendees for some time and providing an opportunity for rapid Social changes.  They will usually have [[beer]]s and [[smokeleaf joint]]s if available.  Note that the player may have to wake up any sleeping colonists such as Night Owls or otherwise distract other colonists from their work so that they attend the party.  An easy way to do this is by quickly drafting and undrafting them.

The party by default will happen around an item checked as a Gather Spot such as a table, but may be overridden by building a [[party spot]].

Similar to marriage ceremonies, characters that do not reach the party on time don't get the mood buffs.

=== Psychic Soothe ===

When this event triggers it gives a positive mood modifier (+15) to all colonists of a randomly chosen sex. The event lasts between 1.5 to 3.5 days. It can be considered the opposite of the [[#Psychic Drone|Psychic Drone]].

=== Traders ===

Traders from other non-hostile factions can stop by your colony, whether specifically requested via the [[comms console]] or randomly on their own.

=== Trade Ship In Range ===

When an orbital [[trade]] ship passes near the colony, players may spend silver to obtain resources or weapons, or alternately sell excess resources or weapons for silver.  You will only receive this notification if you have built a [[comms console]] and it's powered.

You need to build [[orbital trade beacon]]s so you can beam items up to the ship to actually carry out transactions. You can still check the items for sale even without them however.

==== Pirate Merchant In Range ====

Slave traders are rarer than regular traders.  They traffic in that most precious of cargo: fresh colonists. Players can also sell unwanted prisoners to slave traders, however any colonists without the psychopath trait will suffer a mood penalty for doing so and the colonist doing the selling will receive a social penalty.  As with regular trade ships, you will only receive this notification if you have built a [[comms console]] and it's powered.

=== Wanderer joins ===

A random colonist arrives from a map edge and joins the colony immediately. They will most likely be naked, so have some spare clothes ready just in case. Notification: ''A villager named (name) has arrived and is joining the colony. (Gender) is a (backstory)''.

== Neutral ==

=== Caravan Ready ===

Once you've designated a [[caravan]], you'll get this notification once all of the colonists, prisoners, animals and items have been assembled and left the map.  It is now ready to send to other settlements or form another settlement of your own, if you've enabled multiple settlements in the game's settings.

=== Leader Replaced: (Faction) ===

Occasionally, the leader of another faction will die or be replaced. The popup window will announce his or her successor.

This will also happen if the leader comes to raid your base, and is either killed in action or captured and recruited.

=== Rare Thrumbos ===

One or more [[thrumbo]]s will spawn at the edge of the map, staying around for awhile to eat anything they can, including your crops.  The player can attempt to hunt or tame them, both of which are very difficult.  If no action is taken, they will leave on their own after a few days.


=== Traveler Visit ===

Occasionally, one or more faction members will travel from one map edge to another, which may work in the player's favor should the group run across mutual enemies.


=== Relationship ===
[[File:Relationship.png|300px|thumb|none|Relantionship, in this case is Fiancee.]]
In any event with other factions, there is a chance that one or a few of the visitors or raiders may be related to existing colonists.

=== Visitors ===

Friendly faction members may stop by your settlement.  Occasionally, they will have a few goods to trade.  Like a regular trader they will mill about the player's colony for awhile.  Unlike a regular trader, they don't have many goods with them, nor do they have as much silver to buy your goods.

Visitors possess no higher purpose otherwise.  Still, their arrival could prove advantageous if the colony is assaulted by a mutual enemy while they are present.


{{Tocright}}

=Event Data=
{|
{| {{STDT| sortable c_08 text-center}}
! Category !! Name !! Common Name !! Chance !! Favorability !! Min Time Before<br>Repeat (days)
|-
| Disease || Flu || [[Flu]] || [[Events#DiseasesTable|varies by biome]] || Bad || [[Events#DiseasesTable|varies by biome]]
|-
| Disease || Plague || [[Plague]] || [[Events#DiseasesTable|varies by biome]] || Bad || [[Events#DiseasesTable|varies by biome]]
|-
| Disease || Malaria || [[Malaria]] || [[Events#DiseasesTable|varies by biome]] || Bad || [[Events#DiseasesTable|varies by biome]]
|-
| Disease || SleepingSickness|| [[Sleeping Sickness]] || [[Events#DiseasesTable|varies by biome]] || Bad || [[Events#DiseasesTable|varies by biome]]
|-
| Big Threat || RaidEnemy || [[Events#Enemy Attack| Raid]] || 9.0 || Bad || 0
|-
| Big Threat || AnimalInsanity || [[Events#Psychic Wave| Mad Animals!: (Animal name)]] || 1.0 || VeryBad || 1
|-
| Big Threat || ShipPartCrash || [[Events#Ancient Ship Crash| Psychic Ship]] || 1.5 || Bad || 30
|-
| Big Threat || ManhunterPack || [[Events#Manhunter_pack| Manhunter Pack]] || 2.0 || Bad || 15
|-
| Big Threat || Infestation || [[Events#Infestation| Infestation]] || 2.8 || Bad || 20
|-
| Special || RaidFriendly || [[Events#Faction Assistance| Friendlies]] || 3 || Good || 0
|-
| Special || AgentRevealed || [[Events#Traitor| Traitor]] || 1.3 || VeryBad || 40
|-
| Small Threat || AnimalInsanitySingle || [[Events#Mad Animal| Mad Animal]] || 5 || Bad || 3
|-
| Small Threat || ColdSnap || [[Events#Cold Snap| Cold Snap]] || 3 || Bad || 30
|-
| Small Threat || HeatWave || [[Events#Heat Wave| Heat Wave]] || 3 || Bad || 30
|-
| General Bad || Beavers || [[Events#Alphabeavers| Beavers!]] || 1 || Bad || 15
|-
| General Bad || Eclipse || [[Events#Eclipse| Eclipse]] || 3 || Bad || 30
|-
| General Bad || SolarFlare || [[Events#Solar Flare| Solar Flare]] || 1.5 || Bad || 30
|-
| General Bad || PsychicDrone || [[Events#Psychic Drone| Psychic Drone]] || 1 || Bad || 30
|-
| General Bad || ShortCircuit || [[Events#Faulty Conduit Explosion| Zzzt...]] || 1.2 || Bad || 15
|-
| General Bad || CropBlight || [[Events#Mysterious Blight| Blight]] || 2.5 || Bad || 8
|-
| General Bad || ToxicFallout || [[Events#Toxic Fallout| Toxic Fallout]] || 0.25 || Bad || 180
|-
| General Bad || VolcanicWinter || [[Events#Volcanic Winter| Volcanic Winter]] || 0.11 || Bad || 280
|-
| General Good || TraderArrivalGeneral || [[Events#Trade Ship In Range| (Trader type)]] || 13 || Good || 0
|-
| General Good || TraderArrivalSlaver || [[Events#Slave Ship In Range| Pirate Merchant]] || 4.5 || Good || 0
|-
| General Good || TravelerGroup || [[Events#Traveler Visit| Travelers]] || 8 || Good || 0
|-
| General Good || VisitorGroup || [[Events#Faction Visit| Visitor(s)]] || 8 || Good || 0
|-
| General Good || WandererJoin || [[Events#Migrant| Wanderer Join]] || 0.4 || VeryGood || 0
|-
| General Good || ResourcePodCrash || [[Events#Cargo Pods| Cargo Pods]] || 6.0 || Good || 0
|-
| General Good || RefugeePodCrash || [[Events#Escape Pod| Escape Pod]] || 1.5 || Good || 0
|-
| General Good || PsychicSoothe || [[Events#Psychic Soothe | Psychic Soothe]] || 1.0 || Good || 30
|-
| Neutral || RefugeeChased || [[Events#Refugee Chased | Refugee Chased]] || 2.5 || Neutral || 15
|}
| 
|}


<span id ="DiseasesTable"></span>

{| class=wikitable style="text-align: center;"
|+ Weight of each disease per biome
! style="padding: 5px 4em;" | Biome Name
! style="padding: 5px 1em;" | Flu 
! style="padding: 5px 1em;" | Plague 
! style="padding: 5px 1em;" | Malaria
! style="padding: 5px 1em;" | Sleeping<br>Sickness
! style="padding: 5px 1em;" | Fibrous<br>Mechanites
! style="padding: 5px 1em;" | Sensory<br>Mechanites
! style="padding: 5px 1em;" | Gut<br>Worms
! style="padding: 5px 1em;" | Muscle<br>Parasites
|- 
! Arid Shrubland
{{#vardefine: as_mtb | 60}}
| {{#vardefineecho: as_flu | 100}}
| {{#vardefineecho: as_plague | 100}}
| {{#vardefineecho: as_malaria | 0}}
| {{#vardefineecho: as_sleeping | 0}}
| {{#vardefineecho: as_fibrous | 30}}
| {{#vardefineecho: as_sensory | 30}}
| {{#vardefineecho: as_gut | 60}}
| {{#vardefineecho: as_muscle | 60}}
|-
! Desert
{{#vardefine: d_mtb | 80}}
| {{#vardefineecho: d_flu | 100}}
| {{#vardefineecho: d_plague | 100}}
| {{#vardefineecho: d_malaria | 0}}
| {{#vardefineecho: d_sleeping | 0}}
| {{#vardefineecho: d_fibrous | 30}}
| {{#vardefineecho: d_sensory | 30}}
| {{#vardefineecho: d_gut | 60}}
| {{#vardefineecho: d_muscle | 60}}
|-
! Extreme Desert
{{#vardefine: ed_mtb | 90}}
| {{#vardefineecho: ed_flu | 100}}
| {{#vardefineecho: ed_plague | 80}}
| {{#vardefineecho: ed_malaria | 0}}
| {{#vardefineecho: ed_sleeping | 0}}
| {{#vardefineecho: ed_fibrous | 30}}
| {{#vardefineecho: ed_sensory | 30}}
| {{#vardefineecho: ed_gut | 40}}
| {{#vardefineecho: ed_muscle | 40}}
|-
! Boreal Forest
{{#vardefine: bf_mtb | 50}}
| {{#vardefineecho: bf_flu | 100}}
| {{#vardefineecho: bf_plague | 100}}
| {{#vardefineecho: bf_malaria | 0}}
| {{#vardefineecho: bf_sleeping | 0}}
| {{#vardefineecho: bf_fibrous | 30}}
| {{#vardefineecho: bf_sensory | 30}}
| {{#vardefineecho: bf_gut | 50}}
| {{#vardefineecho: bf_muscle | 50}}
|-
! Tundra
{{#vardefine: t_mtb | 80}}
| {{#vardefineecho: t_flu | 100}}
| {{#vardefineecho: t_plague | 80}}
| {{#vardefineecho: t_malaria | 0}}
| {{#vardefineecho: t_sleeping | 0}}
| {{#vardefineecho: t_fibrous | 40}}
| {{#vardefineecho: t_sensory | 40}}
| {{#vardefineecho: t_gut | 30}}
| {{#vardefineecho: t_muscle | 30}}
|-
! Ice Sheet
{{#vardefine: is_mtb | 90}}
| {{#vardefineecho: is_flu | 100}}
| {{#vardefineecho: is_plague | 80}}
| {{#vardefineecho: is_malaria | 0}}
| {{#vardefineecho: is_sleeping | 0}}
| {{#vardefineecho: is_fibrous | 30}}
| {{#vardefineecho: is_sensory | 30}}
| {{#vardefineecho: is_gut | 0}}
| {{#vardefineecho: is_muscle | 0}}
|-
! Sea Ice
{{#vardefine: is_mtb | 80}}
| {{#vardefineecho: is_flu | 100}}
| {{#vardefineecho: is_plague | 80}}
| {{#vardefineecho: is_malaria | 0}}
| {{#vardefineecho: is_sleeping | 0}}
| {{#vardefineecho: is_fibrous | 30}}
| {{#vardefineecho: is_sensory | 30}}
| {{#vardefineecho: is_gut | 0}}
| {{#vardefineecho: is_muscle | 0}}
|-
! Temperate Forest
{{#vardefine: tr_mtb | 45}}
| {{#vardefineecho: tr_flu | 100}}
| {{#vardefineecho: tr_plague | 100}}
| {{#vardefineecho: tr_malaria | 100}}
| {{#vardefineecho: is_sleeping | 0}}
| {{#vardefineecho: tr_fibrous | 30}}
| {{#vardefineecho: tr_sensory | 30}}
| {{#vardefineecho: tr_gut | 50}}
| {{#vardefineecho: tr_muscle | 50}}
|-
! Tropical Rainforest
{{#vardefine: tr_mtb | 30}}
| {{#vardefineecho: tr_flu | 100}}
| {{#vardefineecho: tr_plague | 100}}
| {{#vardefineecho: tr_malaria | 160}}
| {{#vardefineecho: tr_sleeping | 140}}
| {{#vardefineecho: tr_fibrous | 30}}
| {{#vardefineecho: tr_sensory | 30}}
| {{#vardefineecho: tr_gut | 80}}
| {{#vardefineecho: tr_muscle | 80}}
|}

<!-- The variables below are defined as the total weight of all diseases in the biome, as defined in the biome's XML sheet. E.g.: -->
<!-- Arid has 100, 100, 30, 30, 60, 60. The total is thus 380. Update this if the weights are changed in later patches. -->
<!-- Total weight DOES NOT change the disease rate... just which disease is picked when a disease roll passes.

-->{{#vardefine: as_totweight | {{#expr: {{#var: as_flu}} + {{#var: as_plague}} + {{#var: as_malaria}} + {{#var: as_sleeping}} + {{#var: as_fibrous}} + {{#var: as_sensory}} + {{#var: as_gut}} + {{#var: as_muscle}} }} }}<!--
-->{{#vardefine: d_totweight | {{#expr: {{#var: d_flu}} + {{#var: d_plague}} + {{#var: d_malaria}} + {{#var: d_sleeping}} + {{#var: d_fibrous}} + {{#var: d_sensory}} + {{#var: d_gut}} + {{#var: d_muscle}} }} }}<!--
-->{{#vardefine: ed_totweight | {{#expr: {{#var: ed_flu}} + {{#var: ed_plague}} + {{#var: ed_malaria}} + {{#var: ed_sleeping}} + {{#var: ed_fibrous}} + {{#var: ed_sensory}} + {{#var: ed_gut}} + {{#var: ed_muscle}} }} }}<!--
-->{{#vardefine: bf_totweight | {{#expr: {{#var: bf_flu}} + {{#var: bf_plague}} + {{#var: bf_malaria}} + {{#var: bf_sleeping}} + {{#var: bf_fibrous}} + {{#var: bf_sensory}} + {{#var: bf_gut}} + {{#var: bf_muscle}} }} }}<!--
-->{{#vardefine: t_totweight | {{#expr: {{#var: t_flu}} + {{#var: t_plague}} + {{#var: t_malaria}} + {{#var: t_sleeping}} + {{#var: t_fibrous}} + {{#var: t_sensory}} + {{#var: t_gut}} + {{#var: t_muscle}} }} }}<!--
-->{{#vardefine: is_totweight | {{#expr: {{#var: is_flu}} + {{#var: is_plague}} + {{#var: is_malaria}} + {{#var: is_sleeping}} + {{#var: is_fibrous}} + {{#var: is_sensory}} + {{#var: is_gut}} + {{#var: is_muscle}} }} }}<!--
-->{{#vardefine: tr_totweight | {{#expr: {{#var: tr_flu}} + {{#var: tr_plague}} + {{#var: tr_malaria}} + {{#var: tr_sleeping}} + {{#var: tr_fibrous}} + {{#var: tr_sensory}} + {{#var: tr_gut}} + {{#var: tr_muscle}} }} }}

{| class=wikitable style="text-align: center;"
|+ Mean time per disease by biome (in days)
! style="padding: 5px 4em;" | Biome Name
! style="padding: 5px 1em;" | Mean Time<br>Between Diseases
! style="padding: 5px 1em;" | Flu 
! style="padding: 5px 1em;" | Plague 
! style="padding: 5px 1em;" | Malaria
! style="padding: 5px 1em;" | Sleeping<br>Sickness
! style="padding: 5px 1em;" | Fibrous<br>Mechanites
! style="padding: 5px 1em;" | Sensory<br>Mechanites
! style="padding: 5px 1em;" | Gut<br>Worms
! style="padding: 5px 1em;" | Muscle<br>Parasites
|- 
| Arid Shrubland
| {{#var: as_mtb}}
| {{#ifeq: {{#var: as_flu}}|0|0|{{#expr: {{#var: as_totweight}} / {{#var: as_flu}} * {{#var: as_mtb}} round 2}}}}
| {{#ifeq: {{#var: as_plague}}|0|0|{{#expr: {{#var: as_totweight}} / {{#var: as_plague}} * {{#var: as_mtb}} round 2}}}}
| {{#ifeq: {{#var: as_malaria}}|0|0|{{#expr: {{#var: as_totweight}} / {{#var: as_malaria}} * {{#var: as_mtb}} round 2}}}}
| {{#ifeq: {{#var: as_sleeping}}|0|0|{{#expr: {{#var: as_totweight}} / {{#var: as_sleeping}} * {{#var: as_mtb}} round 2}}}}
| {{#ifeq: {{#var: as_fibrous}}|0|0|{{#expr: {{#var: as_totweight}} / {{#var: as_fibrous}} * {{#var: as_mtb}} round 2}}}}
| {{#ifeq: {{#var: as_sensory}}|0|0|{{#expr: {{#var: as_totweight}} / {{#var: as_sensory}} * {{#var: as_mtb}} round 2}}}}
| {{#ifeq: {{#var: as_gut}}|0|0|{{#expr: {{#var: as_totweight}} / {{#var: as_gut}} * {{#var: as_mtb}} round 2}}}}
| {{#ifeq: {{#var: as_muscle}}|0|0|{{#expr: {{#var: as_totweight}} / {{#var: as_muscle}} * {{#var: as_mtb}} round 2}}}}
|-
| Desert
| {{#var: d_mtb}}
| {{#ifeq: {{#var: d_flu}}|0|0|{{#expr: {{#var: d_totweight}} / {{#var: d_flu}} * {{#var: d_mtb}} round 2}}}}
| {{#ifeq: {{#var: d_plague}}|0|0|{{#expr: {{#var: d_totweight}} / {{#var: d_plague}} * {{#var: d_mtb}} round 2}}}}
| {{#ifeq: {{#var: d_malaria}}|0|0|{{#expr: {{#var: d_totweight}} / {{#var: d_malaria}} * {{#var: d_mtb}} round 2}}}}
| {{#ifeq: {{#var: d_sleeping}}|0|0|{{#expr: {{#var: d_totweight}} / {{#var: d_sleeping}} * {{#var: d_mtb}} round 2}}}}
| {{#ifeq: {{#var: d_fibrous}}|0|0|{{#expr: {{#var: d_totweight}} / {{#var: d_fibrous}} * {{#var: d_mtb}} round 2}}}}
| {{#ifeq: {{#var: d_sensory}}|0|0|{{#expr: {{#var: d_totweight}} / {{#var: d_sensory}} * {{#var: d_mtb}} round 2}}}}
| {{#ifeq: {{#var: d_gut}}|0|0|{{#expr: {{#var: d_totweight}} / {{#var: d_gut}} * {{#var: d_mtb}} round 2}}}}
| {{#ifeq: {{#var: d_muscle}}|0|0|{{#expr: {{#var: d_totweight}} / {{#var: d_muscle}} * {{#var: d_mtb}} round 2}}}}
|-
| Extreme Desert
| {{#var: ed_mtb}}
| {{#ifeq: {{#var: ed_flu}}|0|0|{{#expr: {{#var: ed_totweight}} / {{#var: ed_flu}} * {{#var: ed_mtb}} round 2}}}}
| {{#ifeq: {{#var: ed_plague}}|0|0|{{#expr: {{#var: ed_totweight}} / {{#var: ed_plague}} * {{#var: ed_mtb}} round 2}}}}
| {{#ifeq: {{#var: ed_malaria}}|0|0|{{#expr: {{#var: ed_totweight}} / {{#var: ed_malaria}} * {{#var: ed_mtb}} round 2}}}}
| {{#ifeq: {{#var: ed_sleeping}}|0|0|{{#expr: {{#var: ed_totweight}} / {{#var: ed_sleeping}} * {{#var: ed_mtb}} round 2}}}}
| {{#ifeq: {{#var: ed_fibrous}}|0|0|{{#expr: {{#var: ed_totweight}} / {{#var: ed_fibrous}} * {{#var: ed_mtb}} round 2}}}}
| {{#ifeq: {{#var: ed_sensory}}|0|0|{{#expr: {{#var: ed_totweight}} / {{#var: ed_sensory}} * {{#var: ed_mtb}} round 2}}}}
| {{#ifeq: {{#var: ed_gut}}|0|0|{{#expr: {{#var: ed_totweight}} / {{#var: ed_gut}} * {{#var: ed_mtb}} round 2}}}}
| {{#ifeq: {{#var: ed_muscle}}|0|0|{{#expr: {{#var: ed_totweight}} / {{#var: ed_muscle}} * {{#var: ed_mtb}} round 2}}}}
|-
| Boreal Forest
| {{#var: bf_mtb}}
| {{#ifeq: {{#var: bf_flu}}|0|0|{{#expr: {{#var: bf_totweight}} / {{#var: bf_flu}} * {{#var: bf_mtb}} round 2}}}}
| {{#ifeq: {{#var: bf_plague}}|0|0|{{#expr: {{#var: bf_totweight}} / {{#var: bf_plague}} * {{#var: bf_mtb}} round 2}}}}
| {{#ifeq: {{#var: bf_malaria}}|0|0|{{#expr: {{#var: bf_totweight}} / {{#var: bf_malaria}} * {{#var: bf_mtb}} round 2}}}}
| {{#ifeq: {{#var: bf_sleeping}}|0|0|{{#expr: {{#var: bf_totweight}} / {{#var: bf_sleeping}} * {{#var: bf_mtb}} round 2}}}}
| {{#ifeq: {{#var: bf_fibrous}}|0|0|{{#expr: {{#var: bf_totweight}} / {{#var: bf_fibrous}} * {{#var: bf_mtb}} round 2}}}}
| {{#ifeq: {{#var: bf_sensory}}|0|0|{{#expr: {{#var: bf_totweight}} / {{#var: bf_sensory}} * {{#var: bf_mtb}} round 2}}}}
| {{#ifeq: {{#var: bf_gut}}|0|0|{{#expr: {{#var: bf_totweight}} / {{#var: bf_gut}} * {{#var: bf_mtb}} round 2}}}}
| {{#ifeq: {{#var: bf_muscle}}|0|0|{{#expr: {{#var: bf_totweight}} / {{#var: bf_muscle}} * {{#var: bf_mtb}} round 2}}}}
|-
| Tundra
| {{#var: t_mtb}}
| {{#ifeq: {{#var: t_flu}}|0|0|{{#expr: {{#var: t_totweight}} / {{#var: t_flu}} * {{#var: t_mtb}} round 2}}}}
| {{#ifeq: {{#var: t_plague}}|0|0|{{#expr: {{#var: t_totweight}} / {{#var: t_plague}} * {{#var: t_mtb}} round 2}}}}
| {{#ifeq: {{#var: t_malaria}}|0|0|{{#expr: {{#var: t_totweight}} / {{#var: t_malaria}} * {{#var: t_mtb}} round 2}}}}
| {{#ifeq: {{#var: t_sleeping}}|0|0|{{#expr: {{#var: t_totweight}} / {{#var: t_sleeping}} * {{#var: t_mtb}} round 2}}}}
| {{#ifeq: {{#var: t_fibrous}}|0|0|{{#expr: {{#var: t_totweight}} / {{#var: t_fibrous}} * {{#var: t_mtb}} round 2}}}}
| {{#ifeq: {{#var: t_sensory}}|0|0|{{#expr: {{#var: t_totweight}} / {{#var: t_sensory}} * {{#var: t_mtb}} round 2}}}}
| {{#ifeq: {{#var: t_gut}}|0|0|{{#expr: {{#var: t_totweight}} / {{#var: t_gut}} * {{#var: t_mtb}} round 2}}}}
| {{#ifeq: {{#var: t_muscle}}|0|0|{{#expr: {{#var: t_totweight}} / {{#var: t_muscle}} * {{#var: t_mtb}} round 2}}}}
|-
| Ice Sheet
| {{#var: is_mtb}}
| {{#expr: {{#var: is_flu}} / {{#var: is_totweight}} * {{#var: is_mtb}} round 2}}
| {{#expr: {{#var: is_plague}} / {{#var: is_totweight}} * {{#var: is_mtb}} round 2}}
| {{#expr: {{#var: is_malaria}} / {{#var: is_totweight}} * {{#var: is_mtb}} round 2}}
| {{#expr: {{#var: is_sleeping}} / {{#var: is_totweight}} * {{#var: is_mtb}} round 2}}
| {{#expr: {{#var: is_fibrous}} / {{#var: is_totweight}} * {{#var: is_mtb}} round 2}}
| {{#expr: {{#var: is_sensory}} / {{#var: is_totweight}} * {{#var: is_mtb}} round 2}}
| {{#expr: {{#var: is_gut}} / {{#var: is_totweight}} * {{#var: is_mtb}} round 2}}
| {{#expr: {{#var: is_muscle}} / {{#var: is_totweight}} * {{#var: is_mtb}} round 2}}
|-
| Tropical Rainforest
| {{#var: tr_mtb}}
| {{#ifeq: {{#var: tr_flu}}|0|0|{{#expr: {{#var: tr_totweight}} / {{#var: tr_flu}} * {{#var: tr_mtb}} round 2}}}}
| {{#ifeq: {{#var: tr_plague}}|0|0|{{#expr: {{#var: tr_totweight}} / {{#var: tr_plague}} * {{#var: tr_mtb}} round 2}}}}
| {{#ifeq: {{#var: tr_malaria}}|0|0|{{#expr: {{#var: tr_totweight}} / {{#var: tr_malaria}} * {{#var: tr_mtb}} round 2}}}}
| {{#ifeq: {{#var: tr_sleeping}}|0|0|{{#expr: {{#var: tr_totweight}} / {{#var: tr_sleeping}} * {{#var: tr_mtb}} round 2}}}}
| {{#ifeq: {{#var: tr_fibrous}}|0|0|{{#expr: {{#var: tr_totweight}} / {{#var: tr_fibrous}} * {{#var: tr_mtb}} round 2}}}}
| {{#ifeq: {{#var: tr_sensory}}|0|0|{{#expr: {{#var: tr_totweight}} / {{#var: tr_sensory}} * {{#var: tr_mtb}} round 2}}}}
| {{#ifeq: {{#var: tr_gut}}|0|0|{{#expr: {{#var: tr_totweight}} / {{#var: tr_gut}} * {{#var: tr_mtb}} round 2}}}}
| {{#ifeq: {{#var: tr_muscle}}|0|0|{{#expr: {{#var: tr_totweight}} / {{#var: tr_muscle}} * {{#var: tr_mtb}} round 2}}}}
|}


[[Category:Events]]
[[Category:Gameplay]]