Unlock single set of wrestlers
At the title screen, press R, L, C-Right, C-Left(2), C-Right, L, R, Z. If you entered the code correctly, you will hear a sound. Then, highlight a wrestler at the character selection screen and press C-Left, C-Right, L, R, C-Left, C-Right, L, R, Z. Now all three hidden wrestlers related to that wrestler will be unlocked.

All wrestlers
At the title screen, press C-Right(4), C-Left(4), R(4), L(4), Z to unlock all forty-eight bonus wrestlers in the game. If you entered the code correctly, you will hear a sound.

All rings
At the title screen, press C-Left, L, C-Right, R, C-Left, L, C-Right, R, Z. If you entered the code correctly, you will hear a sound. Then, The Graveyard, Spaceship, Circus, Hive, Turbo, Wunderland, Boudoir, Hall of Mirrors, Reck Room, Psychodelic, Disco, Jungle, 1984, Quark, and Texas rings will be selectable.

Ring select
At the options screen, press C-Right, R, C-Right, R, Z. If you entered the code correctly, you will hear a sound. Then, every time Z is pressed, the current ring will advance to the next in the series. To move in reverse, press C-Left, L, C-Left, L followed by Z.

Swelling heads
At the title screen, press C-Left(7), L, Z. If you entered the code correctly, you will hear a sound. Then, the heads of each wrestler will swell with each hit.

Big head mode
At the title screen, press C-Right(7), R, Z. If you entered the code correctly, you will hear a sound.

Giant head mode
At the title screen, press C-Right(4), C-Left, C-Right, C-Left, C-Right, Z. If you entered the code correctly, you will hear a sound.

Big heads, hands, feet
At the title screen, press R(7), C-Right, Z. If you entered the code correctly, you will hear a sound.

Big hands
At the mode selection screen, press L(7), C-Left(17).

Interference
During a match, press Z for another wrestler to enter the ring and interfere with the match.

Bonus wrestlers
Complete all ten tournament mode matches on the normal or hard difficulty setting and win the belt to unlock the next wrestler in the series:

First character	Second character	Third character	Last character
Hollywood Hogan	Brian Adams	Eddy Guerrero	Eric Bischoff
Bret Hart	British Bulldog	Van Hammer	Mean Gene
Sting	Booker T.	Stevie Ray	Miss Elizabeth
Lex Luger	Dean Malenko	Scotty Riggs	Arn Anderson
The Giant	Wrath	Horace	Bobby Hennan
DDP	Ultimo Dragon	Rey Mysterio Jr.	Kimberly
Raven	Billy Kidman	Lodi	Larry Zbysco
Saturn	The Disiple	Sick Boy	Sonny Oono
Goldberg	Chris Benoit	Disco Inferno	Mongo
Kevin Nash	Scott Norton	Ernest Miller	Kaz Hayashi
Scott Hall	Konnan	The Barbarian	Jimmy Hart
Curt Hennig	Anvil	Meng	Rick Rude
Macho Man	Roddy Piper	Fit Finley	Enos
Rick Steiner	Buff Bagwell	Reese	Psychosis
Scott Steiner	Kanyon	Chavo Guerrero Jr.	Juventud Guerrera
Chris Jericho	Alex Wright	La Parka	Rick Fuller

Note: Press Z once for the first call-in of a wrestler to interfere with the match. Then, press L before the first wrestler enters the ring to call-in another wrestler. As long as L is held, the wrestlers will stay in the ring.