Unlock Mental Mode(Serious Sam) To unlock Mental Mode, complete the game on Serious Mode. Mental Mode makes enemies phase in and out. Codes(Serious Sam) Cheat Menu At the menu, click down the Left-Analog stick and press Black, White, Y.
The ''Cheats'' option will appear in the menu.
Developer Cheat Mode *Serious Sam*
Get ThisBy Doing This Unlocks the cheat and developer cheat modesFrom main menu, click and hold the left analog stick in then press black, white, Y, Y, Y
Unlock Cheat Menu Serious Sam On the main menu, click and hold down the left joystick (L3) the press BLACK, WHITE, Y.
Unlockables -Serious Sam
Get ThisBy Doing This Hidden LevelIn the 'Valley of the Kings' level, destroy all the statues Mental ModeBeat the game in Serious Mode.
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