- OPEN FREAK E DEKE & MICHAEL JACKSON:
AT ONE/TWO PLAYER SCREEN, PRESS R1 13 TIMES, R2, R1 10 TIMES, R2. YOU'LL HEAR A BELL.
NOTE: YOU CAN'T OPEN RUMBLEMAN IF YOU SAVE THIS CHEAT.
- ZOMBIE MODE:
AT CHARACTER SELECT, PRESS LEFT, UP, RIGHT, DOWN, R1, R1, R2.
- BIG GLOVES:
AT CHARACTER SELECT, PRESS LEFT, RIGHT, UP, DOWN, R1, R2.
- THIN MODE:
AT CHARACTER SELECT, PRESS RIGHT, RIGHT, UP, DOWN, RIGHT, R1, R2.
- FAT MODE:
AT CHARACTER SELECT, PRESS RIGHT, RIGHT, UP, DOWN, RIGHT, R1, R1, R2.
- FASTER GAMEPLAY:
AT CHARACTER SELECT, PRESS RIGHT, RIGHT, UP, DOWN, RIGHT, R1 4 TIMES, R2. YOU'LL HEAR A BELL.
- HYPER SPEED MODE:
AT CHARACTER SELECT, PRESS LEFT, LEFT, DOWN, UP, DOWN, RIGHT, RIGHT, R1 19 TIMES, R2. YOU'LL HEAR A BELL.
- ALL HOLIDAY OUTFITS:
AT CHARACTER SELECT, PRESS LEFT, LEFT, DOWN, RIGHT, UP, R1 8 TIMES, R2, R1 4 TIMES, R2. YOU'LL HEAR A BELL.
- NEW YEARS BOXING RING:
AT CHARACTER SELECT, PRESS RIGHT, UP, DOWN, DOWN, DOWN, R1, R2. YOU'LL HEAR A BELL.
- VALENTINE BOXING RING:
AT CHARACTER SELECT, PRESS RIGHT, UP, DOWN, DOWN, DOWN, R1, R1, R2. YOU'LL HEAR A BELL.
- ST. PATRICKS BOXING RING:
AT CHARACTER SELECT, PRESS RIGHT, UP, DOWN, DOWN, DOWN, R1 3 TIMES, R2. YOU'LL HEAR A BELL.
- EASTER BOXING RING:
AT CHARACTER SELECT, PRESS RIGHT, UP, DOWN, DOWN, DOWN, R1 4 TIMES, R2. YOU'LL HEAR A BELL.
- IDEPENDENCE DAY BOXING RING:
AT CHARACTER SELECT, PRESS RIGHT, UP, DOWN, DOWN, DOWN, R1 5 TIMES, R2. YOU'LL HEAR A BELL.
- HALLOWEEN BOXING RING:
AT CHARACTER SELECT, PRESS RIGHT, UP, DOWN, DOWN, DOWN, R1 6 TIMES, R2. YOU'LL HEAR A BELL.
- THANKSGIVING BOXING RING:
AT CHARACTER SELECT, PRESS RIGHT, UP, DOWN, DOWN, DOWN, R1 7 TIMES, R2. YOU'LL HEAR A BELL.
- CHRISTMAS BOXING RING:
AT CHARACTER SELECT, PRESS RIGHT, UP, DOWN, DOWN, DOWN, R1 8 TIMES, R2. YOU'LL HEAR A BELL.
- SKIP TO CHAMPIONSHIP MATCH:
AT CHARACTER SELECT, PRESS R2, DOWN, RIGHT, UP, LEFT, R1 6 TIMES, R2, R1, R1, R2. YOU'LL HEAR A BELL.
- VIEW ENDING:
AT MAIN MENU, PRESS RIGHT, RIGHT, RIGHT, DOWN, R1, R2. YOU'LL HEAR A BELL.
- EXTRA CAMERA ANGLES:
AT MAIN MENU, PRESS R1 20 TIMES, R2, R1, R2, R1 21 TIMES, R2, R1 18 TIMES, R2, R1 9 TIMES, R2, R1 14 TIMES, R2, R1 5 TIMES, R2, LEFT, RIGHT, UP, DOWN, R2. YOU'LL HEAR AN EXPLOSION. START GAME AND PAUSE IT TO FIND 15 NEW CAMERA ANGLES.
- INSTANT RUMBLE LEVEL 1:
PAUSE GAME, PRESS R1, R2, DOWN, UP, UP, LEFT, R1, R1, R1, R2.
- INSTANT RUMBLE LEVEL 2:
PAUSE GAME, PRESS R1, R1, R2, DOWN, UP, UP, LEFT, R1 4 TIMES, R2.
- INSTANT RUMBLE LEVEL 3:
PAUSE GAME, PRESS R2, R1, R1, R2, R1, R2, R1 4 TIMES, R2, LEFT, RIGHT, UP, DOWN.
- OPENING SECRETS:
| CHAMPION OUTFITS | WIN AT CHAMPIONSHIP MODE. |
| FREAK E DEKE | BEAT ARCADE MODE. |
| MICHAEL JACKSON | BEAT ARCADE MODE TWICE. |
| G.C. THUNDER | BEAT ARCADE MODE 3 TIMES. |
| WILD "STUBBY" CORLEY | BEAT ARCADE MODE 4 TIMES. |
| SHAQUILLE O' NEAL | BEAT ARCADE MODE 5 TIMES. |
| FREEDOM BROCK | BEAT ARCADE MODE 6 TIMES.. |
| ROCKET SAMCHAY | BEAT ARCADE MODE 7 TIMES. |
| ROBOX RESE-4 | BEAT ARCADE MODE 8 TIMES. |
| BILL CLINTON | BEAT ARCADE MODE 9 TIMES. |
| HILLARY CLINTON | BEAT ARCADE MODE 10 TIMES. |
- HOLIDAY OUTFITS & RINGS:
TURN ON THE PS2 WITH NO GAME. GO THE SYSTEM CONFIGURATION AND SELECT CLOCK ADJUSTMENT AND CHANGE THE DATE TO THE DATES LISTED.
| JOEY T (BABY NEW YEAR) | 01/01/2000 |
| LULU VALENTINES (SEXY) | 02/14/2000 |
| LEAPROCHON REF | 03/17/2000 |
| MAMA TUA (PLAYBOY BUNNY) | 04/23/2000 |
| G.C. THUNDER (UNCLE SAM) | 07/04/2000 |
| J.R. FLURRY (SKELETON) | 10/31/2000 |
| THANKSGIVING RING | 11/23/2000 |
| SELENE STRIKE (ELF) & RUMBLEMAN (SNOWMAN) |
12/25/2000 |
