Duel Masters - Cobalt cheats and cheat codes for Playstation 2

Player 1 Wins Instantly
Hold R3 and press L1, R1, L1

Player 2 Wins Instantly 
Hold R3 and press R1, L1, R1

Turn off Deck Outs
Hold R3 and press Square, Square, Square	

Additional locations:
Go to the map scren, then hold R3 and press O, O, O.

Get 4 of every card in the game and unlock Chuck in Arcade Mode:
Go to the deck building screen and hold R3 and press L1, L1, L1.

Cards do not run out in duel:
Hold R3 and press Square, Square, Square.

Add One Shield to Player 1
Hold R3 and press X, Square, Triangle

Add One Shield to Player 2
Hold R3 and press X, O, Triangle

Remove One of Player 1 shields:
Hold R3 and press Triangle, Square, X

Remove One of Player 2 shields:
Hold R3 and press Triangle, O, X

Unlock Shobu as playable character:
Choose versus mode and let player-2 select a character. Then, have 
player one press R2, R2, L1, R2, X to play as Shobu.

Unlockable Characters
Unlock Widow - Beat Widow at the end of the tournament
Unlock Source - Play in aracde mode and win 50 duels
Unlock Shobu - Play in aracde mode and win 100 duels
Unlock Sera - Finish Luc's story
Unlock Monks - Beat the Monks the first time
Unlock Marcus - Finish Flynn's story
Unlock Knight - Finish everyone's story
Unlock Jalen - Finish Rebecca's story
Unlock Earl - Finish Trey's story
Unlock Chuck - Get 1 of every card in the game.
Unlock Caitlan - Finish Rusty's story