Fat boxer
Press Right(2), Up, Down, Right, R1(2), R2 at the character
selection screen. A sound will confirm correct code entry.

Faster speed
Press Right(2), Up, Down, Right, R1(4), R2 at the character
selection screen. A sound will confirm correct code entry.

Hidden Thanksgiving ring
Set the system date to November 23, 2000 or any other date that
Thanksgiving falls on.
Training mode:
In championship mode, fight every prize match and only train with
the speed bag. *** This is easier with a controller that has a
turbo feature. Try to get a score of 200% or Rumble Master. Do not
spend any money, and when you pass a champion costume/outfit will be
unlocked, as well as a new "Training mode" option. "Speed bag" will
be the only thing available in training mode at this time.

St. Patrick's Day secrets
Press Right, Up, Down(3), R1(3), R2 at the character selection
screen. A sound will confirm correct code entry.

Full level 3 Rumble meter
Pause game play and press R2, R1(2), R2, R1, R2, R1(4), R2, Left,
Right, Up, Down.

Hidden Valentine's Day costume
Set the system date to February 14 to unlock a lover's costume/outfit for
Lulu Valentine.

Undead boxer
Press Left, Up, Right, Down, R1(2), R2 at the character selection
screen. A sound will confirm correct code entry.

Rumbleman: Easy Rumble
While playing as Rumbleman, press Circle + Square in a match to fill
your Rumble meter to level 3.
Glitch: Get rumble letters back instantly:
When you activate rumble mode after getting all 3 rows of
letters, wait awhile and activate the rumble combo as the glow wares
off. When you do so, the knockout punch will give you 3 rows of
letters back instantly.

Freak E. Deke and Michael Jackson
Press R1(13), R2, R1(10), R2 at the character selection screen in
arcade mode. A sound will confirm correct code entry. Alternatively,
successfully win the game once in Arcade Mode to unlock Freak
E. Deke and twice to unlock Michael Jackson.

Master code
Press Left, Right, Left(2), Right, Up, Down, R1(5), R2 at the
character selection screen to unlock all cheats in the game. A sound
will confirm correct code entry.

Independence Day secrets
Press Right, Up, Down(3), R1(5), R2 at the character selection
screen. A sound will confirm correct code entry.

Valentine's Day secrets
Press Right, Up, Down(3), R1(2), R2 at the character selection
screen. A sound will confirm correct code entry.

Final match against Rumbleman
Press R2, Down, Right, Up, Left, R1(6), R2, R1(2), R2 at the
character selection screen. A sound will confirm correct code entry.

Hidden Easter costume
Set the system date to April 23, 2001 to unlock a bunny costume/outfit for
Mama Tua.

Easter secrets
Press Right, Up, Down(3), R1(4), R2 at the character selection
screen. A sound will confirm correct code entry.

Full level 2 Rumble meter
Pause game play and press R1(2), R2, Down, Up(2), Left, R1(4), R2.

Big gloves
Press Left, Right, Up, Down, R1, R2 at the character selection
screen. A sound will confirm correct code entry.

Champion costumes/outfits
Press Left, Down, Right(2), Up, R1, R2, R1(20), R2 at the character
selection screen. A sound will confirm correct code entry. Press
Square to cycle through the costumes.

Hidden Christmas costume
Set the system date to December 25 to unlock an elf costume/outfit for
Selene Strike and a snowman costume/outfit for Rumble Man.

Halloween secrets
Press Right, Up, Down(3), R1(6), R2 at the character selection
screen. A sound will confirm correct code entry.

View ending sequence
Press Right(3), Down, R1, R2 at the character selection screen. A
sound will confirm correct code entry.

Full level 1 Rumble meter:
Pause game play and press R1, R2, Down, Up(2), Left, R1(3), R2.

Thanksgiving secrets
Press Right, Up, Down(3), R1(7), R2 at the character selection
screen. A sound will confirm correct code entry.

Hidden Independence Day costume
Set the system date to July 4 to unlock an Uncle Same costume/outfit for
G.C. Thunder.

Hidden Halloween costume:
Set the system date to October 31 to unlock a skeleton costume/outfit for
J.R. Flurry.

Big head
Press Right(2), Up, Down, Right, R1(3) at the character selection
screen. A sound will confirm correct code entry.

Extra hits
During a fight, after you have taken all of your opponent's life and
they are falling down, you can punch them 4 more times before
they actually fall. Doing this does affect the outcome of the fight.
When they get up they will have less life than if you did not hit
them.
Information in this section was contributed by Nate Harter.
Hint: Easy K.O.:
Get your rumble meter to silver, then use it. Once you have the
gloves, press Square + Triangle. Your player will do something, hit
your opponent, and send them spinning out of the ring. They will hit
the ground and turn into dust. The message ''Winner by K.O.'' will
appear at the bottom of the screen.

Fastest speed
Press Left(2), Down, Up, Down, Right(2), R1(19), R2 at the character
selection screen. A sound will confirm correct code entry.

Thin boxer
Press Right(2), Up, Down, Right, R1, R2 at the character selection
screen. A sound will confirm correct code entry.

Christmas secrets
Press Right, Up, Down(3), R1(8), R2 at the character selection
screen. A sound will confirm correct code entry.

All training
Press Left, Down, Up, Down, Up, R1(20), R2 at the character
selection screen. A sound will confirm correct code entry.

Alternate costumes/outfits
Highlight a boxer at the character selection screen, then press
Square.
G. C. Thunder:
Win the game in Arcade Mode 3 times to unlock
G. C. Thunder.
Wild "Stubby" Corley:
Win the game in Arcade Mode 4 times to unlock
Wild "Stubby" Corley.
Shaquille O'Neal:
Win the game in Arcade Mode five times to unlock
Shaquille O'Neal
Freedom Brock:
Win the game in Arcade Mode 6 times to unlock
Freedom Brock.
Rocket Samchay:
Win the game in Arcade Mode 7 times to unlock
Rocket Samchay.
Robox Rese-4:
Win the game in Arcade Mode 8 times to unlock
Robox Rese-4.
Bill Clinton:
Win the game in Arcade Mode 9 times to unlock
Bill Clinton.
Hillary Clinton:
Win the game in Arcade Mode 10 times to unlock
Hillary Clinton.
Rumbleman:
Win the game in Arcade Mode with every character,
including the hidden characters. Then win the game in arcade
mode one additional time, under the hard difficulty setting.
Champion costumes:
Win the game in championship mode to unlock the champion costumes.
Hidden New Year's costume:
Set the system date to January 1 to unlock a Baby New Year's costume/outfit
for Joey T.

Hidden St. Patrick's Day costume:
Set the system date to March 17 to unlock a leprechaun costume/outfit for
the referee.

Extra camera angles
Press R1(20), R2, R1, R2, R1(21), R2, R1(18), R2, R1(9), R2, R1(14),
R2, R1(5), R2, Left, Right, Up, Down, R2 at the character selection
screen to unlock all cheats in the game. A sound will confirm
correct code entry. Pause game play to access fifteen new camera
angles.

Holiday costumes/outfits
Press Left(2), Down, Right, Up, R1(8), R2, R1(4), R2 at the
character selection screen. A sound will confirm correct code entry.
Press Square to cycle through the costumes.

New Year's Day secrets
Press Right, Up, Down(3), R1, R2 at the character selection screen.
A sound will confirm correct code entry.

All characters
Press Left(2), Right, R2, Left, Right(2), R1(2), R2 at the character
selection screen. A sound will confirm correct code entry.