Dynasty Warriors costumes
Complete one player battle mode with any character under any difficulty level. Highlight that same fighter on the character selection screen and press R2.
Beat one player battle mode with any character on any difficulty level. Then, highlight that same fighter on the character selection screen and press Start.
Random Level Select
Press Start on the level select screen to randomly pick a level.
Maximum Charge Dash
Charge two or three levels then cancel with a dash. These dashes can deflect lower
level attacks. For example, Dash level 3 deflects level 2 attacks.