Video game cheats for all your favourite video games.

Cheats: 3DO - Amiga - Arcade - Atari 2600 - Atari 5200 - Atari 7800 - CD-i - Colecovision - Dreamcast - DVD Video - Game Cube - Game Gear - Game.Com - GameBoy - GameBoy Advance - GameBoy Color - Genesis - Intellivision - Jaguar - Lynx - Macintosh - Master Systems - N-Gage - Neo*Geo - Neo*Geo Pocket - NES - Nintendo 64 - Nintendo DS - PC - Windows - Pinball - Playstation - Playstation 2 - PSP - Saturn - Sega 32X - Sega CD - SNES - TurboGrafx 16 - Vectrex - Virtual Boy - Xbox - Xbox 360

Playstation 2 Cheats: Half Life Cheats

Invincibility
At the cheat menu, press Left, Square, Up, Triangle, Right, Circle, Down, X.

Infinite ammunition
At the cheat menu, press Down, X, Left, Circle, Down, X, Left, Circle.

Invisibility
At the cheat menu, press Left, Square, Right, Circle, Left, Square, Right, Circle.

Slow-motion mode
At the cheat menu, press Right, Square, Up, Triangle, Right, Square, Up, Triangle.

Alien mode
At the cheat menu, press Up, Triangle, Up, Triangle, Up, Triangle, Up, Triangle.

Xen gravity
At the cheat menu, press Up, Triangle, Down, X, Up, Triangle, Down, X.