Play as Bruce Buffer: Win the Gold belt in UFC mode with a default character to unlock Bruce Buffer.

Play as Lorenzo Fertitta: Win the Gold belt in UFC mode with a created character to unlock Lorenzo Fertitta.

Karate fighting style: Successfully complete career mode with a created Sumo fighter to unlock the Karate fighting style.

Kung-Fu style: Successfully complete career mode with a kick boxer to unlock the Kung-Fu style.

Nin-Jitsu fighting style: Successfully complete career mode with a karate fighter to unlock the Nin-Jitsu fighting style.

Silver belt: Successfully complete UFC mode with a default or created character to win the Silver belt.

Gold belt: Win the Silver belt with a character, then enter UFC mode. Select the Free Weight option, then select the character with the Silver belt. Complete UFC mode again to win the Gold belt.

Bruce Buffer: Win the Gold belt in UFC mode with a default character.

Dana White: Successfully complete all challenges and unlock all hidden moves as Lorenzo Fertita. Then, highlight Lorenzo Fertita and hold [L1] at the character selection screen.

Lorenzo Fertitta: Win the Gold belt in UFC mode with a created character.

Mario Yamasaki: Win the Gold belt with a default lightweight character. Alternately, get to the game over screen fifty times.