Gallery
How to: Clear the game once with anyone.

More Difficulties
How to unlock: Unlock hard, very hard, and time attack modes by completing the game on normal, hard, and very hard (respectively).

All Characters
How to unlock: On the main menu screen, input:
UP, DOWN, DOWN, SQUARE, CIRCLE, DOWN, TRIANGLE, R3 + L3 (simultaneously)

Unlockable
Unlockable: gallery mode
how to unlock: beat the game once with any character

Unlocking characters and stages!
Finish very hard difficulty and after the credits there is a game if you get 3 pirates with the flag on its back you will reach the bonus game if you got 3 flat rectangles or 3 heads with ? on them you now have stages and characters...! By: SeanCliff10... sorry I forgot my password thats why I put my username

How to unlock game difficulty and time attack mode
Unlockable: / how to unlock:
hard mode / beat the game with normal difficulty
very hard mode / beat the game with hard difficulty
time attack mode / beat the game with very hard difficulty

Super
Hold circle while fighting

How to unlock all characters
In the slot machine:trunks,rock lee,gaara,cell,nami,freeza.