Unlimited combos:
Hold L1 + R2, then press Square, X, Circle, Triangle at character select screen. The word "Combo" will appear under your player to confirm correct code entry. The combo meter will automatically be refilled.

Hyper mode:
Hold L1 + R2, then press Up, Down, Up, Down, Square, Triangle, Right, Left at character select screen.

Random select:
Hold Up and press Start at the character select screen.

Easy CPU opponent:
Pause the game and press X, Triangle, R2, Triangle, X.

Reset cheats:
Pause the game and press Square, Circle, Triangle, X.

No human damage:
Pause the game and press X, Triangle, R2, Up.

Stronger hits:
Pause the game and press X, Triangle, L2, Down.

Weaken opponent:
Pause the game and press X, Triangle, L2, Right.

Stop timer:
Pause the game and press X, Triangle, R2, Left.

Invincibility:
Pause the game and press X, Triangle, R2, Up.

Two times less powerful hits:
Pause the game and press X, Triangle, L2, Right.

Disable all enabled cheat codes:
Pause the game and press Square, Circle, Triangle, X.

Hint: Flying objects:
Normally, sweat will appear when a wrestler is hit by a move. However, objects may appear from time to time. You can use any move that does not use projectiles to make the following objects appear from the indicated wrestlers:

Razor Ramon: Razors and gold chain necklaces
Lex Luger: Dumbells and American-striped stars
Undertaker: Bones, skulls, and bats
Yokozuna: Hams and fish
Bam Bam Bigelow: Fireballs
Bret Hart and Shawn Michaels: Hearts
Doink: Bowling pins and colored balls