For an easier opponent, pause the game and press X, Triangle, R2, Triangle, X.

To use as many combos as you want, press L1+R2, Square, X, Circle, Triangle at the Character Select screen.

Enter these codes while the game is paused.

Description      Code
Reset Cheats     Square, Circle, Triangle, X
No Human Damage  X, Triangle, R2, Up
Stronger Hits    X, T, L2, Down
Invincibility    X, Triangle, L2, Up
Weaken Opponent  X, T, L2, Right
Stop Timer       X, T, R2, Left
Invincibility    X, Triangle, R2, Up
2x weaker hits   X, Triangle, L2, Right

These special moves should work on any system.

• DOINK
  Joybuzzer: hold punch for 3 seconds, then release
  Dropkick: Hold power kick for 3 seconds, then release
  Clapper: Motion down to towards and press punch, then tap punch repeatedly for up to 4 hits
  Hammer: Towards, towards, power kick, then tap kick repeatedly for up to 4 hits
  Face Slam: After a grab, press down, down, power kick, then tap kick repeatedly for up to 4 hits

• RAZOR
  Charge Razor: Hold punch for 3 seconds, then release
  Dropkick: Hold power kick for 3 seconds, then release
  Overhead Razor: Motion down to towards and press punch
  Rug Slam: Towards, towards, kick, and press kick repeatedly for up to 4 hits

• UNDERTAKER
  Power Neck Breaker: Hold punch for 3 seconds and release
  Sliding Choke Grab: Motion down to towards and press punch
  Stun Ghosts: Motion down to back and press kick
  Spectres: Motion down to towards and press kick
  Tombstone Slam: Towards, towards, power kick and press kick repeatedly for up to 4 hits
  Choke Slam: After a choke grab, press down, down, kick, and press punch repeatedly for up to 4 hits
  Mystic Glove: After a choke grab, press down and power kick

• YOKOZUNA
  Belly Bump: Towards, towards, and punch
  Salt Throw: Hold punch for 3 seconds, then release
  Scissor Bomb: Towards, towards, power kick
  Lift Grab: Power punch and power kick at the same time, press any button to body slam them
  Leg Spin: After a lift grab, press down and any button (does not work on Razor Ramon or Doink)

• SHAWN MICHAELS
  Back Suplex: Hold punch for 3 seconds, then release
  Sunset Flip: Up, towards, power punch
  Snapkick: Back, back, power kick
  Leg Flip: Towards, towards, kick
  Speedkick: Motion down to towards, kick, then press kick repeatedly for up to 4 hits
  Frankensteiner: Towards, towards, power kick
  Armbreaker: After a grab, press towards, towards, punch
  Monkey Flip: After a grab, press towards, towards, kick

• BAM BAM BIGELOW
  One-Two Charge: Hold punch for 3 seconds, then release
  Suplex: Hold power punch for 3 seconds, then release
  Flying Kick: Back, back, power kick
  Pogo Piledriver: After a grab, press down, down, power kick, then trap power punch repeatedly for up to 4 hits.
  Lift Grab: Press power punch and power kick at the same time
  Backbreaker: After a lift grab, hold down and press power kick

• BRET HART
  Eye Gouge: Hold punch for 3 seconds, then release
  DDT: Hold power punch for 3 seconds, then release
  Drop Kick: Hold power kick for 3 seconds, then release
  Sharpshooter: When you opponent is down, walk near their feet and press super punch, you can't tap super punch and keep up the hold like some other characters moves, but it does some bigtime damage.
  Flying Kick: Back, back, power kick
  Rolling Uppercut: Motion down to towards and press power punch
  Knee Drop: After a grab, motion down to towards and press punch. Then ta punch repeatedly for up to 4 hits

• LEX LUGER
  Knuckle Smash: Hold punch for 3 seconds, then release
  Steel Ram: Towards, towards, punch
  Mace: Towards, towards, power kick, then tap kick repeatedly for up to four hits
  Lift Grab: Press power punch and power kick at the same time
  Backbreaker: After a lift grab, hold up and press power kick