All Working Rocky Cheats - Xbox

Double punch damage
Hold [R] and press [Right], [Down], [Left], [Up], [Left], [L] at the main menu.

Double speed boxing
Hold [R] and press [Down], [Left], [Down], [Up], [Right], [L] at the main menu.

All default boxers, arenas, and Rocky Statue
Hold [R] and press [Right]x3, [Left], [Right], [L] at the main menu.

Full stats in tournament and exhibition modes
Hold [R] and press [Left], [Up]x2, [Down], [Right], [L] at the main menu.

Win fight in movie mode
Hold [R] and press [Right]x2, [Left]x2, [Up], [L] at the main menu. Press [Black] + [White] during a fight in movie mode to automatically win.

Silver class knockout tournament
Win the bronze class knockout tournament.

Gold class knockout tournament
Win the silver class knockout tournament.

Rocky Statue
Successfully complete movie mode under the Contender difficulty setting.

Easy knock downs
In movie or any other mode, when the fighter approaches you at the start of the fight, hit him with your special power punch. When he comes to you again, hit him with another special power punch, then attack him with body shots. This will drop his strength and let you knock him down repeatedly, thus winning the fight.

Unlock characters in Exhibition
Just beat the following people in the main story mode:

Apollo Creed 1 - Beat him in story mode
Apollo Creed 2 - Beat him in story mode
Big Chuck Smith - Beat him in story mode
Big Yank Bill - Beat him in story mode
Billy Snow - Beat him in story mode
Bob Cray - Beat him in story mode
Buddy Shaw - Beat him in story mode
Burt Judge - Beat him in story mode
Clubber Lang - Beat him in story mode
Dipper Brown - Beat him in story mode
Ernie Roman - Beat him in story mode
Ivan Drago - Beat him in story mode
Jack Reid - Beat him in story mode
Jack Reid - Beat him in story mode
Joe Chan - Beat him in story mode
Joe Czak - Beat him in story mode
Kofi Langton - Beat him in story mode
Mac Lee Green - Beat him in story mode
Randy Tate - Beat him in story mode
Rocky II - Beat the Apollo Creed 1
Rocky III - Beat the Apollo Creed 2
Rocky IV - Beat Clubber Lang
Rocky V - Beat Ivan Drago
Spider Rico - Beat him in story mode
Tim Simms - Beat him in story mode
Tommy Gunn - Beat him in story mode
Union Cane - Beat him in story mode
Vito Soto - Beat him in story mode