Serious Sam II
Pause the game. Press and hold down the R Trigger. Press Black, White, Black White, etc until "Cheats" appears at the bottom of the cheat menu. Press X to enter the cheats menu to activate God Mode, Give All Weapons (that are avaliable on that level), Refill Health, Give an Extra Live, and Unlock All Levels.
Contributed By: djcatskratch.