One (PlayStation)

One is a 3D action platformer for the PlayStation.

Debug Menu
In the demo version, a debug menu can be accessed by overwriting the values starting at address with. After doing so, go to the Options menu to access the debug menu.

Unused Demo Stuff
Also in the demo version, you can enable the Load Game menu (which is normally not possible) by overwriting the values starting at address by. To access it, go to the Options menu.

You can use the passwords HEVYFEET and MAXPOWER to enable the selection screen and unlock all weapons. The game will crash in the selection screen if you choose any stage other than Metropolis, though.