Development mode

Development mode toolbar (red frame) on top of the screen, next to the colonist bar.

Development mode is a feature on the user interface that serves both as a debugging tool for developers and as a cheat menu for most other players.

When active, it is seen as an additional menu on the top of the screen.

Features

Items are shown from left to right in picture.

Debug log

An output log for debugging. Shows errors if they occur, as well as debug outputs.

Package editor

Allows you to edit game data while the game is running. Currently limited to sound and colonist hairstyles.

View settings

Toggles special debug visuals, such as shooting hit chances, infestation chances and toggling fog (fog of war) and snow visibility.

It also allows some debug settings, for example unlimited power, toggling damage, and fast research, learning (i.e. instant boost to lv 20 upon doing a task), ecology, crafting, caravans, etc.

Debug actions menu

Forces a variety of things to happen. Many things can be done from here; spawning items and pawns, executing events, downing/ killing pawns, there are all done through this menu.

Debug logging menu

Where some debugging information can be found, like crop economy, item nutrition, and such.

Inspector

Lets you see what's happening in the game.

God mode

Toggles god mode. While active you can build structures instantly at no price and research. Godmode can be also toggled through 'View Settings'.

Godmode persists even when development mode is turned off.

Autopause

Toggles autopause when an error is logged.

Options

Permanently disable

In the Options menu in-game, you have the choice to 'permanently' disable development mode. This prevents you from cheating using this.

You can reset it by accessing the game files.