Cheats are a feature in Manhunt 2. They can be entered in the game's Main Menu. Most cheats are exclusive to the PS2, PSP and Wii versions of the game with the exception of one cheat that is exclusive to the PC version. It is unknown if other cheats exists on the PC version.
Trainers can be used to activate a variety of cheats in the PC version, although the combination for them or if they're built-in to the game is unknown.
PlayStation 2 / PlayStation Portable[]
Level Select: Up, Up, Down, Down, Left, Right, Left, Right
Infinite Ammo: Up, Down, Left, Right, Up, Down, Left, Right.
Nintendo Wii[]
Level Select: Up, Down, Left, Right, Up, Down, Left, Right
Infinite Ammo: Up, Up, Down, Down, Left, Right, Left, Right
Toggle Watermark 20: Z, Z, Z, C, Z, Z, C, C, Z
PC[]
Fun-Mode: bananahammer
What they do[]
Level Select: Unlocks the option "Relieve Episode" in the Main Menu before you've completed the game.
Infinite Ammo: Gives you infinite ammo for every firearm.
Toggle Watermark 20: Places text on the screen that says Watermark 20. It's purpose is unknown.
Fun-Mode: Replaces blood effects with flowers and rainbows, replaces weapons with candy canes, bananas and flower bouquets, replaces throwables with rubber ducks and a few sounds with over-the-top comical cartoon sound effects.