Secret Act 1:
To unlock Secret Act 1, gen an “A” or better rank on all twelve acts.
Secret Act 2:
To unlock Secret Act 2, complete Secret Act 1.
Bonus characters:
Unlock the following characters by performing the corresponding tasks:
Chi-Chi – Beat Story mode.
Fu Lum – Beat Story mode.
Mai – Beat Story mode.
Neo Piccolo – Beat Secret Act 2.
Oozaru – Beat Story mode.
Piccolo – Beat Story mode.
Alternate costumes:
To play with a characters alternate costume, hold L R when choosing a character at the character selection screen.