Enter these codes at the main menu or in-game to activate their corresponding functions.
Code Effect UP UP DOWN DOWN LEFT RIGHT LEFT RIGHT Infinite Ammo UP DOWN LEFT RIGHT UP DOWN LEFT RIGHT Unlock All Stages
Contributed By: Ikonik.
Watermark 20 Code
Enter the code when you are on the pause menu screen.
Code Effect ZZZCZZCCZ Toggle "Watermark 20" On/Off
Contributed By: spins.
When you beat the game once on either difficulty, you unlock the ability to select an episode to replay. Enter this menu, and go to the bottom of the list. An episode called "Release Therapy" will be there. This is a bonus level with an alternate ending starring Leo.
Unlockable How to Unlock Release Therapy (Alternate Ending) Beat the game once on any difficulty.
Contributed By: Rogue_Agent.
Know Something We Don't?
You can submit new cheats for this game and help our users gain an edge.
Have We Been Fooled?
You can submit a problem report for any non-working or fake code in the lists above.