Quake III: Arena Cheats

Quake III: Arena Console Commands
These console commands are not considered "cheats" but merely alternate ways to perform certain useful functions in the game. To perform these functions you will need a Dreamcast Keyboard and a Dreamcast Mouse. Start a game as normal, while in the game hit the ~ button one time, this will access the game's System Console. From here enter in one of the following commands to do the function.

/who	Display a list of players, both AI and Human.
/say	Type your message and have it displayed to every player.
/say4	Speak to Player 4
/say3	Speak to Player 3
/say2	Speak to Player 2
/say1	Speak to player 1
\help	Display the list of commands.
/tell_attacker	Deliver a personal message to your attacker.
/say_team	Deliver a message to your team. (used in team based modes.)
/tell_target	Deliver a personal message to your targeted enemy.
/clear	Clear the game console.

Quake III: Arena Game Cheats
Beat the Game on any setting. Then save your game on your VMU. A mini game will appear on your VMU's screen. Every time you beat the Mini game you will be rewarded with a new cheat. Beat the mini game 5 times, once on every skill level, to unlock every cheat.

I Can Win-	Regenerating Armor
Bring It On-	Your default health is boosted to 150 and armor default level is boosted to 150.
Hurt Me-	You start out the level with all the weapons in that arena. If you die, when you respawn you will have all the weapons again.
Hardcore-	Powerups now last forever until you die.
Nightmare-	Unlimited Ammo.