Cheat mode:
Press J + A + M + [Enter] to get full health and all keys. Note Your score will be reset when this code is enabled. 

Radar:
Start the game with the bstone radar command line. A radar screen will appear during game play, revealing enemies, secret areas, and important items. 

Debug mode
Start the game with the bstone powerball command line. Press [Left Shift] then [Right Shift] repeatedly at the Jam logo until a sound is heard to confirm that debug mode is enabled. Then, enter one of the following codes during game play to activate the corresponding cheat function.

Effect Code 
Slow motion [Backspace] + S  
All floors unlocked [Backspace] + U  
Collect all treasures 6 + 7  
Level skip [Backspace] + E  
Free items [Backspace] + I  
God mode  [Backspace] + G  
Quit game [Backspace] + Q  
Invisibility [Backspace] + D  
Kill all enemies 7 + 8  
Kill all enemies, get all treasures, get all points (except if informant is killed  6 + 8 
Level select [Backspace] + W  
Lose health [Backspace] + H  
View memory information [Backspace] + M  
View object count [Backspace] + C  
Pause game play [Backspace] + P  
Reveal secret walls on map as flashing white dots  [Backspace] + O 
Reveal all NPCs on map as red dots [Backspace] + A