Bonus items
Press 6 + 7 during game play.
Kill all people
Press 7 + 8 during game play.
Bonus items and kill all people
Press 6 + 8 during game play.
All keys and full health
Type "jam" and press [Enter] during game play.
Radar mode
Start the game with the "/radar" command line parameter. An overhead view will appear. Game play will slow down noticeably when this code is enabled.
Display tic information
Start the game with the "/tics" command line parameter. Tic information will replace the score.
Music test
Start the game with the "/music" command line parameter. Press [Backspace] and the cursor keys to change the music.
Cheat mode
Start the game with the "/powerball" command line parameter. Hold [Left Shift], then immediately hold [Right Shift] at the Jam logo to enable cheat mode. Release the keys when the "PC-13" notice appears. A sound will confirm correct code entry. Hold [Backspace] and press one of the following keys during game play to activate the corresponding cheat function.
Effect | Key |
Border color | B |
Object count | C |
Win mission | E |
Displays coordinates | F |
Toggle God mode | G |
Lose 1% health | H |
Free items | I |
Displays memory usage | M |
Quit to DOS | Q |
Toggle slow motion | S |
Add 0-8 extra VBLs | V |
Level select | W |
Pause | P |
Unlock all floors | U |
Map hidden objects | O |
Invisible | D |
Map monsters | A |
Decrease sky color | [Home] |
Increase sky color | [Page Up] |
Increase ground color | [Page Down] |
Decrease ground color | [End] |
Increase shading | [Plus] |
Decrease shading | [Minus] |
Increase shading drop off | [Left bracket] |
Decrease shading drop off | [Right bracket] |
Full Map | [Shift] + [Tab] |