Play as Gorilla:

Beat Urban Fighters mode with Travis and Michelle to unlock Gorilla in all modes.

Play as Kobuchi:

Beat Urban Fighters mode with Tetsuo and Ushi to unlock Kobuchi in all modes.

Play as Kintaro:

Beat Urban Fighters mode with Gorilla to unlock Kintaro in arena battle mode. Beat Urban Fighters mode on the hard
difficulty setting to unlock Kintaro in Urban Fighters mode.

Play as Angela:

Beat Urban Fighters mode with Kobuchi to unlock Angela in arena battle mode. Beat Urban Fighters mode on the hard difficulty
setting to unlock Angela in Urban Fighters mode.

Play as Akujin:

Beat Urban Fighters mode on the hard difficulty setting to unlock Akujin in all modes.

Alternate Costumes:

Beat Urban Fighters mode on the normal difficulty setting three times. Then, hold L1, L2, R1, or R2 while selecting a character at the character selection screen.

Hard Mode:

Beat Urban Fighters mode with all characters on the normal difficulty setting to unlock the hard difficulty setting under the options screen.

Shadow Fighter Mode:

Beat Urban Fighters mode once.

Survival Mode:

Beat Urban Fighters mode twice.

Team Battle Mode:

Beat Urban Fighters mode three times.

Street Gang Battle Mode:

Beat Urban Fighters mode on the hard difficulty setting with Kintaro, Angela, or Akujin.

Deform Mode:

Get a hi-score and enter "DEFORMANIA" as a name to unlock deform mode under the options screen.

Skeleton Mode:

Get a hi-score and enter "BONECRACK" as a name to unlock skeleton mode under the options screen.

Arena 2:
Beat shadow fighter mode with Gorilla to unlock Arena 2 in arena battle mode.

Arena 5:
Beat shadow fighter mode with Kobuchi to unlock Arena 5 in arena battle mode.

Arena 7:
Beat shadow fighter mode with Kintaro to unlock Arena 7 in arena battle mode.

Arena 8:
Beat shadow fighter mode with Angela to unlock Arena 8 in arena battle mode.

Arena 9:
Beat shadow fighter mode with Akujin to unlock Arena 9 in arena battle mode.