Play as Chad & Gram:
Successfully complete the game in arcade mode.

Play as Baron Volt:
Successfully complete the game two times in arcade mode.

Play as Tomtom:
Successfully complete the game three times in arcade mode.

Play as Mercantile:
Successfully complete the game four times in arcade mode.

Play as Stealth:
Successfully complete the game five times in arcade mode.

Play as Frosty:
Finish more than seven Beat Combos in DJ Practice mode. Then, complete an arcade mode match with a Fever on Frosty's stage and defeat him.

Play as Dark Ramos:
Finish more than fifteen Beat Combos in DJ Practice mode. Then, defeat Dark Ramos in a Boss match in arcade mode.

Play as Jekoo:
Finish more than twenty-three Beat Combos in DJ Practice mode. Then, defeat Jekoo in a Boss match in arcade mode.

Loading Comics mode:
Finish thirty two Beat Combos in DJ Practice mode. to unlock the "Loading Comics" selection on the options screen.

Play as Rude Boy:
Finish forty Beat Combos in DJ Practice mode. Then, defeat Rude Boy in a Boss match in arcade mode.

Fever mode:
Finish Rude Boy's two beat combos after he is unlocked.

Space stage:
Finish each easy and hard level in DJ Practice mode for all characters, including the bonus characters. The Space stage will be unlocked in versus mode.