Don King Presents: Prizefighter Codes -

Cheat Codes
Enter the following codes at the "Cheat Codes" section under the "Extras" menu:

POTSEMAG - Unlock Ricardo Mayorga
1BESTBUYBEST - Unlock "Great Moments in Boxing" video

Achievements
Complete each achievement to get the allotted gamerscore:

Hook Hero (20) - Take it up top and land 1,000 Hooks in any game mode.
3ml of G? (20) - KO Milton Forrest.
Hot Shots (50) - Achieve 50 Signature Punch KO's in single or multiplayer.
Going the Distance (150) - Complete Career Mode.
Tournament Champ (30) - Win a Ranked Tournament.
Twinkle Toes (20) - Rack up a ring mile.
Uppercut Machine (20) - Take it up top and land 1,000 Uppercuts in any game mode.
Who's Winning Then? (10) - Play ten back to back multiplayer games.
World Champion (50) - Become the World Champ in Career Mode.
Long Way Down (42) - Beat every fighter in Career Mode.
New Kid On The Block (5) - Create a Career Boxer.
One Armed Bandit (20) - KO Sven Zurilo.
Party Animal (20) - KO Nyack Quartey after a big night out.
Jab Master (20) - Take it up top and land 1,000 Jabs in any game mode.
Judge Dreadful! (20) - KO Dave Saddler.
Lightning KO (20) - KO an opponent in the first 60 seconds of round 1 in any game mode.
Stick and Move (5) - Move more than your opponent.
Swinger (35) - Do 50,000 thrown shots.
Blind Fury (20) - KO Vassily Kablov.
Can't Touch This! (10) - KD an opponent without taking a single shot.
Don King Promoted (30) - Join Don's Team during your career.
Easy Pickings (20) - Defeat Nino Basilio.
First Steps (5) - Turn Pro in Career Mode.
Platinum Puncher (100) - Complete Career Mode on Champion difficulty.
Ring a Ding Bling (30) - Earn your first career million.
Xbox LIVE Journeyman (5) - Win 5 ranked fights.
Xbox LIVE Champ (20) - Win 35 ranked fights.
Xbox LIVE Contender (10) - Win 15 ranked fights.
Xbox LIVE Legend (40) - Win 50 ranked fights.