Slap Happy Rhythm Busters cheats and cheat codes for Playstation

Unlock Chad & Gram as playable character:
Finish the game once in arcade mode.

Unlock Baron Volt as playable character:
Finish the game twice in arcade mode.

Unlock Tomtom as playable character:
Finish the game 3 times in arcade mode.

Unlock Mercantile as playable character:
Finish the game 4 times in arcade mode.

Unlock Stealth as playable character:
Finish the game 5 times in arcade mode.

Unlock Rude Boy
Finish 40 Beat Combos in dj practice mode. Then, beat 
Rude Boy in a boss match in arcade mode.

Fever mode
Finish Rude Boy's 2 beat combos after he is unlocked.

Unlock Frosty
Finish more than 7 Beat Combos in dj practice mode.  Then, finish 
an arcade mode match with a Fever on Frosty's stage and beat him. 

Unlock Dark Ramos
Finish more than 15 Beat Combos in dj practice mode. Then,
beat Dark Ramos in a boss match in arcade mode.

Unlock Jekoo
Finish more than 23 Beat Combos in dj practice mode. Then,
beat Jekoo in a boss match in arcade mode.

Loading Comics mode
Finish 32 Beat Combos in dj practice mode to access to the
"Loading Comics" option at the options screen.

Unlock space stage in versus mode
Finish each easy and hard level in dj practice mode for all
characters, including the extra characters.