TraitsLast updated 6 days ago

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Traits personalize and add flavor to your colonists by granting a wide variety of special bonuses or conditions to their day to day activities, and so encourage more complex player-conceived stories based on those individual characters. Traits provide physical or psychological abilities or limitations, likes/dislikes, behavior tendencies, personality quirks, and so on. Some are beneficial, some are harmful to the colonist or your colony as a whole. Some are constant, some only rarely triggered. Some can be more or less easily negated or manipulated to your advantage by catering to them (or denying them), others are more problematic or outright dangerous.

General traits

These traits are generalized into groups, organized roughly by topic but there are no such groupings laid out formally in the game. There are no relations or prohibitions between traits grouped together here unless noted (e.g. a colonist cannot be both "ascetic", wanting a minimal bedroom, and "jealous" of those with better bedrooms).

Lifestyle

One likes what one likes...

Name	Description	Effect	Conflicting Traits	Commonality
Night owl	NAME likes to work at night. S/He gets a mood bonus if awake at night and mood loss if awake during the day. S/He doesn't get a mood penalty for being in the dark.	+ : Negates the −5 Darkness mood penalty from being in the dark +16 Night owl at night mood if awake during night (23:00 - 06:00) −10 Night owl in daytime mood if awake during day (11:00 - 18:00)	-	1.3
Undergrounder	NAME has no need to experience the outdoors or light. S/He will never feel cooped up or get cabin fever, no matter how long s/he stays inside, and is not bothered by darkness.	+ : Negates the −5 Darkness mood penalty from being in the dark + : No Outdoors or Space need − : Added Indoors need +3 Undergrounder indoors mood when indoors / +4 Underground mood when underground −3 Undergrounder outdoors mood when outdoors + : Gains the Morbid meditation focus type	-	0.2
Nudist	NAME enjoys the feeling of freedom that comes from being nude. They can handle clothing, but will be happier without it.	+20 Happily nude mood when naked −3 Constraining clothes mood mood penalty for wearing any apparel, except headgear and utility items	-	0.7
Masochist	For NAME, there's something exciting about getting hurt. S/He doesn't know why, S/He's just wired differently.	+5/+10/+15/+20 Masochist in pain mood for being in a minor/serious/intense/mind-shattering pain, replacing default −5/−10/−15/−20 and +3+5+7+9 from Pain:Idealized. +3 Masochist body strapped mood while wearing a slave body strap +2 Masochist collared mood while wearing a slave collar +/- : Negates all mood effects for both Skullspike:Desired and Disapproved + : Negates the −5 Fed on by OTHER mood penalty and -20 opinion malus from being fed on by a Bloodfeeder+ : Gains the Morbid meditation focus type	Wimp	0.5
Body modder	NAME feels limited in POSSESSIVE feeble human body. NAME often dreams of being enhanced by artificial body parts.	+4/+7/+9/+11/+12/+13 Body modder pleased mood for having artificial body parts and xenogenes. Each artificial body part grants 1 stage, and having any xenogenes also grants 1 stage. −4 Body modder frustrated mood if lacking any artificial body parts or xenogenes +8 opinion of other pawns per artificial body part they have, capped at +40. Any number of xenogenes counts as one artificial body part.	Body purist	0.9
Body purist	NAME believes the human body is limited for a reason. To her/him, artificial body parts are unethical and disgusting.	−10/−15/−20/−25/−30/−35 Body purist squeamish mood for having artificial body parts and xenogenes. Each artificial body part grants 1 stage, and having any xenogenes also grants 1 stage. −8 opinion of other pawns per artificial body part they have, capped at −40. Any number of xenogenes counts as one artificial body part. −20 Forced to take luciferium mood for 6 days when administered luciferium and −30 opinion of the doctor who did the operation for 120 days. Despite the description of this thought, body purists can administer luciferium to themselves and do not lose mood for doing so.	Body modder	0.7
Gourmand	NAME's life revolves around food. S/He gets hungry quickly, and if s/he is in a bad mood, s/he will often satisfy her/his-self by eating.	+4 Cooking skill +/- : So long as there is >10 human-edible nutrition worth of food in storage, the only possible minor mental break is food binge +50% hunger rate − : Food binges randomly occur with an MTB of 50 days	Ascetic	1

Living space

How a colonist perceives the walls that they call "home"...

Name	Description	Effect	Conflicting Traits	Commonality
Ascetic	NAME has forsaken physical comforts and enjoyments in favor of a simple, pure lifestyle. S/He will become unhappy if s/he has a bedroom that's too impressive. S/He also dislikes fancy food and prefers to eat raw. S/He never judges others by their appearance.	+ : Negates the −3 Ate without table mood penalty +5/+4/+3 Ascetic has awful-mediocre bedroom mood for having an Awful/Dull/Mediocre bedroom −5 Ascetic has impressive bedroom mood for having a Somewhat Impressive or better bedroom +/- : Mood not affected by quality of meal, including raw food, nutrient paste meals, and baby food +/- : Pawn beauty of others does not change pawn's social opinion on that pawn +/- : Mood unaffected by quality of crib (as a baby) +/- : Mood unaffected by gaining a royal title; losing a title; or, if currently titled, whether or not apparel, bedroom, and/or throneroom is appropriate to the title Gains the Minimal meditation focus type Loses the Artistic meditation focus type, if they had it ×50% Global Certainty Loss Factor	Greedy Gourmand Jealous	0.7
Greedy	NAME needs a really impressive bedroom. S/He gets a mood loss if they don't get what they want.	−8 Greedy for impressive bedroom mood for not having a bedroom −8/−8/−6/−4 Greedy for impressive bedroom mood for having an Awful/Dull/Mediocre bedroom − : Conceited	Ascetic Jealous	1
Jealous	For NAME, it's degrading to have a less impressive bedroom than someone else. NAME gets a mood loss if any colonist has a more impressive bedroom.	−8 Jealous of OTHER's bedroom mood for not having the most impressive bedroom. + : Gains the Morbid meditation focus type − : Conceited	Ascetic Greedy	1
Pyromaniac	NAME loves fire. S/He will never extinguish fires, and will occasionally go on random fire starting sprees. S/He will be happy around flames, and happier when wielding an incendiary weapon.	+2 Pyromaniac has incendiary weapon mood while wielding a weapon from the following list: incendiary launcher, smoke launcher, EMP launcher, molotov cocktail, plasmasword, toxbomb launcher, flamebow, hellcat rifle, or incinerator. +8 Used flame weapon mood for 0.33 days mood bonus for using a flame weapon either directly on a visible, non-downed enemy of the player faction who is not in a fogged region of the map, or attacking with it when such a pawn is in range of the attack anyways. This includes any weapon from the list above except for the hellcat rifle. +2 Beautiful fire mood: grants 1 stack per fire or lit building capable of having a 'fire overlay' (torch lamp, campfire; blood torch; darktorch, fungus darktorch, effigy, pyre, sacrificial flag; brazier; or darklight brazier) within 8 cells, within the same room, and not in a 'fogged' region of the map invisible to the player. Fire not from a lit building, and not on a pawn, grants 2 stacks of this mood bonus; each cell occupied by a lit pyre counts as 1 fire, granting up to 4 stacks in total. Incapable of firefighting Only possible extreme mental break is fire starting spree − : Fire starting sprees randomly occur with an MTB of 50 days −20% Market Value Gains the Flame meditation focus type	-	0.8

Social views

In a brutal world, what otherwise might be socially unacceptable or even unthinkable can be a positive survival trait for both you and your fellow colonists... See Human resources for comparative analysis.

Name	Description	Effect	Conflicting Traits	Commonality
Bloodlust	NAME gets a rush from hurting people, and never minds the sight of blood or death.	+ : Negates all mood penalties for: Observing fresh corpses, Observing rotting corpses, Human butchering, Organ harvesting, Executions, Colonist/innocent prisoner deaths, Wearing tainted clothes; Blinding ceremonies from Blindness:Horrible, or Scarification ceremonies from Scarification:Horrible + : No opinion loss of someone who Harvests an organ, Executes a prisoner, or Kills a child +2/+4/+6/+8 Human leather APPAREL_NAME mood for wearing 1/2/3/4+ apparel items made out of human skin. +4 Bloodlust organ harvested mood for 4 days on harvesting an organ. +8 Witnessed death with bloodlust mood for 4 days on witnessing a human death. Witnessing means being awake, sighted, and either in the same caravan as the deceased or having line of sight within 12 cells of the deceased. +12 Killed someone mood for 4 days on killing a human. − : Four times as likely to start a social fight + : Unaffected by ideoligious prohibitions that would ordinarily prevent a pawn from executing prisoners + : Gains the Morbid meditation focus type	Requires pawn to be capable of Violence	0.8
Cannibal	NAME was taught that eating human meat is wrong and horrible. But one time, long ago, S/He tried it... and S/He liked it.	+ : No mood penalty for: Observing fresh corpses, Human butchering, Guest or guilty prisoner deaths, Cannibalism; Ingesting hemogen packs; or Eating meat from Abhorrent, Horrible, or Disapproved +2/+4/+6/+8 Human leather APPAREL_NAME mood for wearing 1/2/3/4+ apparel items made out of human skin. +15 Cooked cannibalism mood for 1 day on eating a meal made with human flesh +20 Raw cannibalism mood for 1 day on eating raw human meat (including human corpses, although this may still trigger the −12 Ate corpse mood for 1 day penalty) + : No opinion loss of someone who Eats meat (Abhorrent, Horrible, or Disapproved) + : Gains the Morbid meditation focus type	-	0.6
Psychopath	NAME has no empathy. The suffering of others doesn't bother them at all. They don't mind if others are butchered, left unburied, imprisoned, or sold to slavery - unless it affects them. NAME also feels no mood boost from socializing.	+ : No mood penalty for: Observing fresh corpses, Human butchering, Organ harvesting, Executions, Unburied colonists, Prisoners sold into slavery, Relative/colonist/friend/innocent prisoner deaths, Not being a bonded animal's master, Loss/death/release of bonded pets, Wearing human leather or dread leather; Child killing, Being in a colony with sad youngsters, Having a sad/enslaved/sick/growth vat-interred child, Not having had enough play (as a baby); Blinding ceremonies from Blindness:Horrible, Scarification ceremonies from Scarification:Horrible, or Killing innocent animals from Killing innocent animals:Abhorrent, Horrible, or Disapproved + : No opinion loss of someone who Kills a child or Kills an innocent animal (Killing innocent animals:Abhorrent, Horrible, or Disapproved) − : No mood bonuses from: Being nuzzled, Being a bonded animal's master; Being in a colony with happy youngsters, Having happy children, Having happy parents (as a child), or Having had lots of play (as a baby) − : No opinion gain from Chitchat, Deep talk (still loses opinion from hostile interactions); Teaching a child, or Taking a lesson (as a child) + : Unaffected by ideoligious prohibitions that would ordinarily prevent a pawn from executing prisoners or attacking innocent animals + : Gains the Morbid meditation focus type ×50% Global Certainty Loss Factor	Kind	1

Combat

When it's us or them...

Name	Description	Effect	Conflicting Traits	Commonality
Nimble	NAME has remarkable kinesthetic intelligence. S/He seems to dance around danger with preternatural grace.	+15 Melee Dodge Chance ×10% Trap Spring Chance	-	1
Brawler	NAME likes to fight up close and personal. S/He's accuracy is greatly increased in melee combat, but s/he'll be very unhappy if asked to carry a ranged weapon.	+4 Melee skill −10 Shooting skill +4 Melee Hit Chance −10 Brawler has ranged weapon mood while wielding a ranged weapon − : Disallows shooting passions +/- : Disallows Shoot Frenzy Inspiration	Trigger-happy Careful Shooter Wimp	1
Tough	NAME has thick skin, dense flesh, and durable bones. S/He takes much less damage than other people from the same blows. S/He is extremely hard to kill.	×50% Incoming Damage Multiplier Stacks multiplicatively with other Incoming Damage Multiplier factors. See that page for further details.	Delicate	1.1
Wimp	NAME is weak and cowardly. Even a little pain will immobilize her/him.	−50% Pain Shock Threshold −15% Market Value ×200% Global Certainty Loss Factor − : Negates Pain mood buffs from Pain:Idealized , reverting mood from pain to the default values.	Brawler Masochist	1
Delicate	NAME has fragile skin and bones. She/He takes more damage than other people from the same blows.	×115% Incoming Damage Multiplier Stacks multiplicatively with other Incoming Damage Multiplier factors. See that page for further details. Note that the Delicate gene that can add this trait is incompatible with the Robust gene.	Tough	1

• See also Trigger-happy and Careful shooter, below.

Skills

When your colonists are not fighting for their lives...

Name	Description	Effect	Conflicting Traits	Commonality
Too smart	NAME is too smart for her/his own good. S/He learns everything much faster than everyone, but can be quite eccentric.	+75% Global Learning Factor +12% Mental Break Threshold ×50% Global Certainty Loss Factor	Nerves spectrum traits Requires pawn to be capable of Intellectual	1
Fast learner	NAME has a knack for learning. S/He picks things up much faster than others.	+75% Global Learning Factor	Slow Learner	1
Slow learner	NAME is slow on the uptake. S/He picks things up much slower than others.	−75% Global Learning Factor ×50% Global Certainty Loss Factor	Fast Learner	1
Quick sleeper	NAME doesn't need as much sleep as the average person. Whether s/he's sleeping on a bed or on the ground, s/he will be fully rested in about two thirds the usual time.	+50% Rest Rate Multiplier	-	1.1
Great memory	NAME has a fantastic memory for detail. S/He will lose unused skills at half the rate of other people.	×50% Skill loss rate	-	1.1
Tortured artist	NAME feels alienated and misunderstood by other human beings. S/He will get a constant mood debuff, but gain a chance (50%) to get a creativity inspiration after a mental break.	50% chance of receiving the mental inspiration "Inspired Creativity" after a mood-caused mental break ends. Cannot be triggered by mental breaks caused by any reason other than mood e.g. psychic insanity lances, psycasts , genes , Void terror, or even randomly induced mental breaks from other traits. −8 Tortured artist mood (permanent) + : Gains the Morbid meditation focus type	-	0.6

Relationships

So... are you new on this rimworld?...

Name	Description	Effect	Conflicting Traits	Commonality
Kind	NAME is an exceptionally agreeable and giving person. S/He never insults others and will sometimes offer kind words to brighten the moods of those around her/him. S/He also never judges people by their appearance.	+ : Can use a unique 'Kind Words' social interaction, inflicting +5 Kind words mood for 2 days and gaining +15 opinion from the recipient for 20 days. The opinion boost can stack up to 10 times from the same Kind pawn with 0.9x stacked effect multiplier (for a potential opinion bonus of up to +97.7), and up to 300 stacks can be present overall. When choosing what social interaction to perform, Kind Words has a weighting of 0.01 (as opposed e.g. to chitchat's weighting of 1.00).+ : Will not Slight or Insult others + : Opinion of other pawns not changed by beauty, Annoying voice, Creepy breathing or disfigurement ×200% Global Certainty Loss Factor	Abrasive Psychopath	2
Abrasive	NAME always says exactly what's on their mind, especially if it's bugging him/her. That tends to rub people the wrong way.	− : 2.3x as likely to Slight or Insult others −15% Market Value ×50% Global Certainty Loss Factor − : Conceited	Kind Requires pawn to be capable of Social	1
Annoying voice	NAME's voice has a particularly grating, nasal quality to it, and tends to talk in barked, garbled phrases. This predisposes others to dislike them.	−25 opinion from non-Kind, non-deaf pawns −20% Market Value	-	0.5
Creepy breathing	NAME breathes heavily all the time, and sweats constantly. People find it creepy.	−25 opinion from non-Kind, non-deaf pawns −10% Market Value	-	0.5
Misandrist	NAME really dislikes and distrusts men.	−25 opinion of men		0.3 for men 1.7 for women
Misogynist	NAME really dislikes and distrusts women.	−25 opinion of women		1.7 for men 0.3 for women
Asexual	NAME has no sexual attraction to anyone at all.	+/- : Will not have romantic relationships with people.	Gay Bisexual	0.2
Gay	NAME is romantically attracted to people of their own gender.	+/- : Will only have romantic relationships with people of the same gender.	Asexual Bisexual	0.3
Bisexual	NAME is romantically attracted to both men and women.	+/- : Will have romantic relationships with people from either gender.	Asexual Gay	0.2
Recluse	The fewer people in NAME's faction, the happier she/he is. Being alone is best of all.	+ : Negates the −3 Denied joining mood for 6 days penalty from rejecting a pawn that wants to join the colony +/- : Mood based on the number of human pawns (including children, guests, and prisoners) in the colony. Humans on other maps, in caravans or inside a Cryptosleep casket/Transport pod/Biosculpter pod /Growth vat /Gene extractor /Subcore softscanner /Subcore ripscanner do not count. Ghouls do not count. Starting colonists in the The Mechanitor start scenario will always have this trait. Human Count Mood Human Count Mood 1 +12 11 −2 2 +8 12 −3 3 +6 13 −4 4 +4 15 −6 5-10 0 16+ −8	-	0.5

• The Gay/Bisexual/Asexual sexuality traits are unique in that they are the only ones that can generate after the 3 trait limit, resulting in rare pawns with 4 traits.
• See also the Beauty category of traits, below.

Spectrum traits

Theses are groups of related traits, that are inter-related and grouped by degree, creating a "spectrum" of good/bad/better/worse in that specific sphere of behaviour. A colonist can only have one trait from any single related spectrum for these traits, defining whether they are notably outside the norm for, for example, movement speed, or drug interest, or their physical (un)attractiveness.

Drug desire

These traits affect a colonist's likelihood to consume drugs.

Note that despite the common misconception, chemical fascination and interest pawns no longer randomly go on drug binges independent of mood.

Name	Description	Effect
Chemical fascination	NAME is utterly fascinated with chemical sources of enjoyment. Consuming recreational drugs will create a good mood, while abstaining will lead to increasing frustration over time and possibly drug binges. S/He will ignore directives to not use recreational drugs, and will consume more than a normal person.	Has Chemical need: causes −4/−8/−12 Chemical hunger mood the longer it has gone unsatisfied, and up to +3/+6 Chemical satisfaction mood when satisfied For Beer, Smokeleaf Joints, and Ambrosia only: functions as if "Take for Recreation" and "Take for Addiction" are checked on the Drug Policies tab regardless of the players choices. They will otherwise follow the Drug Policy regarding drugs carried and scheduled. NOTE: The colonist will still respect allowed areas and will not use forbidden stacks of any drug regardless of chemical need Unaffected by ideoligious prohibitions that would ordinarily prevent a pawn from taking or administering drugs
Chemical interest	NAME has an unusual interest in chemical sources of enjoyment. Consuming recreational drugs will create a good mood, while abstaining will lead to increasing frustration over time and possible drug binges. S/He will ignore directives to not use recreational drugs, and will consume more than a normal person.	Has Chemical need: causes −2/−4/−6 Chemical hunger mood the longer it has gone unsatisfied, and up to +1/+3 Chemical satisfaction mood when satisfied For Beer, Smokeleaf Joints, and Ambrosia only: functions as if "Take for Recreation" and "Take for Addiction" are checked on the Drug Policies tab regardless of the players choices. They will otherwise follow the Drug Policy regarding drugs carried and scheduled. NOTE: The colonist will still respect allowed areas and will not use forbidden stacks of any drug regardless of chemical need Unaffected by ideoligious prohibitions that would ordinarily prevent a pawn from taking or administering drugs
Teetotaler	NAME abhors the idea of gaining pleasure from chemicals. S/He strictly avoids alcohol and recreational drugs.	Will not go on drug binges Cannot be directed to take non-medical drugs −20 Forced to take drugs mood for 6 days when administered a drug, and −30 opinion of the doctor who did the operation for 60 days. −25 opinion of any pawns with chemical interest or fascination

Industriousness

These traits affect the colonist's Global Work Speed.

Name	Description	Effect
Industrious	NAME has an easy time staying on-task and focused, and gets things done much faster than the average person.	Global Work Speed +35% −-5 opinion of all colonists without the same trait
Hard worker	NAME is a natural hard worker and will finish tasks faster than most.	Global Work Speed +20% −-5 opinion of all colonists without the same trait or Industrious
Lazy	NAME is a little bit lazy.	Global Work Speed −20%
Slothful	NAME loves idleness and hates anything productive. S/He moves slowly and rarely stays focused on a task.	Global Work Speed −35%

Speed traits

These traits affect a colonist's walk speed.

Name	Description	Effect
Jogger	NAME always moves with a sense of urgency - so much so that others often fail to keep up.	Move speed +0.4 c/s
Fast walker	NAME likes to be where s/he's going. S/He walks quicker than most people.	Move speed +0.2 c/s
Slowpoke	NAME is always falling behind the group whenever s/he goes anywhere.	Move speed −0.2 c/s Disallows Go Frenzy Inspiration

Base mood

These traits affect the colonist's natural, constant mood.

Name	Description	Effect
Sanguine	NAME is just naturally upbeat about HER/HIS situation, pretty much all the time, no matter what it is.	+12 Sanguine mood (permanent)
Optimist	NAME is naturally optimistic about life. It's hard to get HER/HIM down.	+6 Optimist mood (permanent)
Pessimist	NAME tends to look on the bad side of life.	−6 Pessimist mood (permanent)
Depressive	NAME is perennially unhappy. S/He has trouble sustaining a good mood even when everything is fine.	−12 Depressive mood (permanent)

Nerves

These traits affect the colonist's mental break threshold.

Name	Description	Effect
Iron-willed	NAME's will is an iron shield. S/He keeps going through thick and thin, when others broke down long before.	Mental Break Threshold −18% Global Certainty Loss Factor ×25%
Steadfast	NAME is mentally tough and won't break down under stresses that would crack most people.	Mental Break Threshold −9% Global Certainty Loss Factor ×50%
Nervous	NAME tends to crack under pressure.	Mental Break Threshold +8% Global Certainty Loss Factor ×200%
Volatile	NAME is on a hair-trigger all the time. S/He is the first to break in any tough situation.	Mental Break Threshold +15% Global Certainty Loss Factor ×300%

Neurotic

These traits affect the colonist's mental break threshold and their global work speed.

Name	Description	Effect
Neurotic	NAME likes to have things squared away. S/He will work harder than most to attain this state of affairs, but HER/HIS nerves can get the better of HER/HIM.	Global Work Speed +20% Mental Break Threshold +8%
Very neurotic	NAME feels constantly nervous about everything that has to get done. S/He will work extremely hard to attain this state of affairs, but HER/HIS nerves can easily get the better of HER/HIM.	Global Work Speed +40% Mental Break Threshold +14%

Shooting accuracy

These traits affect the colonist's accuracy in ranged combat, as well as aiming time. Mutually exclusive with brawler.

Name	Description	Effect
Careful shooter	NAME takes more time to aim when shooting. S/He shoots less often than others, but with more accuracy.	Aiming Time +25% Shooting Accuracy +5
Trigger-happy	Pew! Pew! Pew! NAME just likes pulling the trigger. S/He shoots faster than others, but less accurately.	Aiming Time −50% Shooting Accuracy −5

Beauty

Main article: Beauty (Pawn)

These traits influence a colonist's appearance and how it affects other colonists' opinions of them - as well as sexual attractiveness.

Each point of beauty corresponds to +20 opinion from other colonists, e.g. a colonist with 2 beauty will have +40 opinion, while another with -1 beauty will have -20.

Name	Description	Effect
Beautiful	NAME is exceptionally beautiful, with an exotic-yet-familiar facial structure and an arresting gaze. People are attracted to her/him before s/he even opens her/his mouth.	+2 Pawn Beauty
Pretty	NAME has a pretty face, which predisposes people to like her/him.	+1 Pawn Beauty
Ugly	NAME is somewhat ugly. This subtly repels others during social interactions.	−1 Pawn Beauty
Staggeringly ugly	NAME is staggeringly ugly. Her/His face looks like a cross between a drawing by an untalented child, a malformed fetus in a jar of formaldehyde, and a piece of modern art. Others must exert conscious effort to look at her/him while conversing.	−2 Pawn Beauty

Psychic sensitivity

These traits influence how much a colonist is affected by psychic phenomena.

Name	Description	Effect
Psychically hypersensitive	NAME's mind is like a psychic tuning fork. S/He is extremely sensitive to psychic phenomena.	+80% Psychic Sensitivity
Psychically sensitive	NAME's mind is unusually sensitive to psychic phenomena.	+40% Psychic Sensitivity
Psychically dull	NAME's mind is psychically out of tune with others. S/He isn't as affected by psychic phenomena.	-50% Psychic Sensitivity
Psychically deaf	NAME's mind works on a psychic frequency different from everyone else. S/He just isn't affected by psychic phenomena.	-100% Psychic Sensitivity

Immunity

These traits influence how often colonists are infected by a disease.

Name	Description	Effect
Super-immune	NAME has a naturally powerful immune system. S/He will gain immunity much faster than a normal person would, and can survive illnesses that would kill others.	Immunity Gain Speed +30%
Sickly	NAME has an awful immune system. S/He gets sick more often than usual, frequently with illnesses that nobody in the colony has been afflicted by.	Medicine skill +4 Randomly catches diseases independently from rest of the colony, with an MTB of 30 days. The caught disease is one that can be randomly acquired in the current biome, using the same weighting system as normal random disease incidents.

Creepjoiner traits

These traits are never randomly assigned to pawns. They are normally found on creepjoiners, and therefore have powerful positive or negative effects to balance out the other strengths and weaknesses creepjoiners have.

Positive traits

These traits are considered benefits, to compensate whatever mysterious downside haunts the creepjoiner.

Name	Description	Effect
Perfect Memory	NAME has outstanding memory, both in terms of retaining information but also muscle memory. His/Her skills will never decay.	Skills cannot decay
Occultist	NAME has deep knowledge of the twisted patterns of dark psychic energy. S/He can study unnatural entities faster than others. S/He will also periodically teach this inhuman knowledge to others when S/He gets the chance.	Study Efficiency +100% Entity Study Rate +50% Can share occult teachings during normal social interactions, giving +1 dark research per day
Joyous	NAME has the ability to make everyone feel better and inspire them to be the best version of themselves.	+20 opinion from other pawns While not imprisoned or enslaved, +3 mood to all other non-prisoner colonists on the same map who are not currently in a mental break. The effect does not stack even if there are multiple Joyous pawns present. Pawns not of the player's faction cannot receive the mood buff. A Joyous pawn will not grant its mood bonus to anyone it is currently hostile to.
Body Mastery	NAME doesn't have basic needs like eating, sleeping, or comfort. His/Her body is driven by some unknown mechanism, which has turned His/Her eyes completely white.	Food, Sleep, and Comfort needs disabled

Negative traits

These traits are downsides, meant to counterblance the creepjoiner's powerful benefits. Note that, unlike most other creepjoiner drawbacks, these traits are never hidden; as such, you be assured there are no other nasty surprises waiting for you.

Name	Description	Effect
Disturbing	NAME is a peculiar person who seems fixated on horrendous ideas. Talking to {PAWN_objective} is often upsetting.	When randomly interacting with other pawns, will perform a disturbing chat instead of any other interaction type, giving the recipient −4 mood and −3 opinion of the disturbing pawn for 24 hours (stacks up to 10 times) Unlocks Morbid meditation
Void Fascination	NAME is strangely intrigued by unnatural entities and is easily enthralled by them.	Unlocks Void meditation Disables Artistic meditation The only allowed extreme mental break is Entity Liberator Will attempt to release captured entities (regardless of mood) once per year, on average +6 Captured entity mood when there is captured entity in the colony

Obsolete traits

These are no longer found as-is in the current game version, though many of them have been renamed or reworked into one of the traits found above.

Name	Description	Effect	Conflicting Traits	Fate
Prosthophile	NAME feels limited in their feeble human body. NAME often dreams of going bionic.	+14 mood bonus for having a bionic body part −4 mood penalty for not having a bionic body part	Body purist	Replaced by Transhumanist
Prosthophobe	NAME believes the human body is limited for a reason. To them, bionic body parts are unethical.	−10 mood penalty for having a bionic body part	body modder	Replaced by Body purist
Green thumb	NAME has a passion for gardening. They get a mood bonus for every plant they sow.	+1 mood bonus from sowing a plant. Stackable up to 20 times.	-	Removed in Beta 19
Tunneler	NAME has no need for space. S/He will never feel cooped up or get cabin fever, no matter how long s/he stays indoors.	+ : No Outdoors need	-	Replaced by Undergrounder
Transhumanist	NAME feels limited in their feeble human body. NAME often dreams of going bionic.	+4 to +13 mood bonus for having artificial body parts −4 mood penalty for not having an artificial body part +8 to +40 opinion of other colonists for each part installed on them	Body purist	Replaced by Body modder

Version history

• 0.0.245 - Traits hidden as they did nothing.
• 0.7.581 - Brawler, prosthophile, and more added.
• 0.9.722 - Teetotaller and Chemical Fascination traits added
• 0.12.906 - Greedy, Jealous, Ascetic, Night Owl traits added.
• 0.17.1546 - Wimp trait added.
• 0.19.2009 - Undergrounder, Great memory, Tough, Gourmand, Sickly, Quick sleeper traits added
• 1.1.0 - Asexual trait added
• 1.2.2719 - Fix: Psylink counts as an artificial part for a transhumanist.
• 1.3.3066 - Transhumanist trait renamed to Body Modder. Kind description changed "NAME is a nice person. They have a tendency to brighten everyone else's day and never insult others." -> "NAME is an exceptionally agreeable and giving person. S/He never insults others and will sometimes offer kind words to brighten the moods of those around her/him. {PAWN_pronoun} also never judges people by their appearance.". Undergrounders have a new Need_Indoors, which is increased by spending time indoors, especially inside mountains.
• 1.4.3523 - Pyromaniacs are happier around fires and get a stacking (up to 4x) mood buff for nearby fires. This includes torches and campfires. “Wimp” trait’s pain shock threshold has been increased from 50% to 60%. Ascetics no longer get a negative mood debuff when eating nutrient paste meals. Plasmaswords and persona plasmaswords now provide the mood bonus to pyromaniacs like other incendiary weapons.
• After 1.4.3542 but pre 1.5.4062 - Chemical Fascination and Interest now only randomly take beer, ambrosia and smokeleaf joints, instead of any drug
• 1.4.3555 - Xenogenes count as artificial enhancements for body modders and body purists. Fix: Administer drug doesn't display that teetotalers will be unhappy if there is a chemical dependency gene present.
• 1.4.3557 - Fix typo: "yielding" -> "wielding" in pyromaniac trait description.
• 1.5 or prior - Pyromaniac thought mood effect reduced from +5 to +2 and description changed from "It makes me think of flame and fire. I'm so happy" to "It makes me think of flame and fire. I can't wait to use it." New thought added for using a flame weapon.
• 1.5.4062 - Rebalance brawler trait to offset skill more than mood - mood penalty for using ranged weapon decreased from −20 to −10, shooting accuracy penalty increased from −4 to −10. Added “pyro used fire weapon” thought. Ascetics ignore "Ate without table" thought. Fix: NRE related to pyromaniacs wielding fire weapons.