While at the main menu, hold R and press Right, Down, Left, Up, Left, L.

Double Speed Boxing

While at the main menu, hold R and press Down, Left, Down, Up, Right, L.

Full Stats in Tournament and Exhibition Modes

While at the main menu, hold R and press Left, Up, Up, Down, Right, L.

Full Stats in Movie Mode

While at the main menu, hold R and press Right, Down, Down, Up, Left, L.

All Default Boxers and Arenas

While at the main menu, hold R and press Right, Down, Up, Left, Up, L.

All Default Boxers, Arenas, and Rocky Statue

While at the main menu, hold R and press Right (3x), Left, Right, L.

Unlock Mickey Goldmill

Beat Movie Mode on Champ Difficulty.

Unlock Rocky Statue

Beat Movie Mode on Contender Difficulty.