Serious Sam Cheats
Serious Sam cheat codes, tricks, hints, and walk throughs.
Unlockable: Secret Level
In Valley of the Kings destroy all of the statues to reveal a hidden level.Unlock Cheat Menu
On the main menu, click and hold down the left joystick (L3) the press BLACK, WHITE, Y.Unlock Mental Mode
To unlock Mental Mode, complete the game on Serious Mode. Mental Mode makes enemies phase in and out.
