Ultimate Fighting Championship: Tapout [Xbox]

Bruce Buffer:
Win UFC mode with all characters.

John McCarthy:
Win UFC mode as Bruce Buffer.

Mario Yamasaki:
Win UFC mode as John McCarthy

The Cat:
Win four consecutive matches in arcade mode.

Femme Fatale:
Win eight consecutive matches in arcade mode.

Ice-T:
Win ten consecutive matches in arcade mode.

Mask:
Win twenty seven consecutive victories in arcade mode.

Defeating Ultiman:
Go to career mode and create a character with the cat fighting style. Fight your way through career mode until your character has maximum stats. Then, go to UFC mode and complete. Next, fight your way through Champion Road. When you reach Ultiman, wait until he gets close to you, then tap Back to perform a back step. Then, press X + A and your character will then grab Ultiman and cause him to tap out.