Serious Sam Cheats for XBox
Also on: PC
Unlock Mental Mode
Finish the game one time using Serious Mode.
when the option screen comes up(the one with the multiplayer single player thingy cums up)Hold down the left analog stick and press Black, White and yellow(y) then at the bottom of the options screen a new option will appear called cheats. In here you can have all weps. max health, 99 lives, unlock doors and all levels.
