Unreal Tournament

All characters: Press Start to pause the game, then press Left, Left, Circle, Circle, Right, Left, X.

All weapons: Press Start to pause the game, then press Left, Circle, Right, Square, Right, Left.

Fatboy Mutator: To unlock a secret Mutator that makes you get fatter and fatter with every Frag, and skinnier and skinnier with every time you get Fragged, just enter this code. At the Title screen press Circle, Circle, Circle, Up, Down, Down, Up, Circle, Circle, Circle. You can now go to Multiplayer Mode and there will be a new Mutator called Fatboy to be turned on.

Invincibility: Press Start to pause the game, then press Square, Circle, Left, Right, Circle, Square. Or, press Start to pause the game, then press Square, Square, Circle, Circle, Left, Right, Circle, Circle, Square, Square.

All ammunition: Press Start to pause the game, then press Left, Right, Circle, Circle, Circle, Right, Left.

Level Advance: While playing a game, pause and press Up, Down, Left, Right, Right, Left, Circle. You will instantly complete the level and charge on to the next.

Level select: Save the game and return to the main menu. Choose the "Resume Game" option, then highlight the previously saved game and press Up, Down, Down, Up, Left, Up, Right, Down.

Firewire multi-player mode: This trick requires a four port Firewire PC hub. Use Firewire cables to connect the iLink port of one to three more PlayStation2 consoles to the hub. Press Start to pause the game in two player multi-player mode and press Left, Circle, Left, Right, Square, Right. Have all players press Start at the waiting screen.

USB multi-player mode: This trick requires a USB keyboard and USB mouse. Change the controller configuration to set the keyboard to player three and the mouse to player four. The game can now by played with four players.

Stealth Mutator: Press Square, Square, Circle, Circle, Square, Square, Circle, Circle at the main menu. Choose multi-player mode and choose the Stealth Mutator.

Big head mode: Press Left, Right, Left, Right, Left, Right, Circle, Circle, Circle at the main menu. Choose multi-player mode, highlight the "Mutators" option and press X. Highlight the new "Big Head" option, then press Right, X.