Battle Stadium D.O.N Cheats (PS2)

Perform missions and collect some money. After that go to thè slot machine. Get three of
thè Shonen Jump signs. Then you are going to be taken to thè bonus slot machine
mini-game. Get three of thè heads that have a "?"(question mark) on them to unlock a
character. The characters written below can be unlocked by defeating them in Story mode
of the game, then playing thè slot machine until they are won:

Buu,Cell,Frieza,Gaara,Majin,Buu,Nami,Rock,Lee,Trunks,Ussop