Cheat mode
Set the system date to December 25 to unlock an elf costume for Selene Strike and a snowman costume for Rumble Man
Game Shark Codes
Master Code Must Be On EC87F520 1456E60A
Infinte Health P1 4C896BC8 1456E781
Quick Recovery P1 4C896BCC 1456E781
OneHit Kill P1 4C896BC8 1456E7A6
No Stamina P1 4C896BCC 1456E7A5
Infinite Health P2 4C8A9238 1456E781
Quick Recovery P2 4C8A923C 1456E781
OneHit Kill P2 4C8A9238 1456E7A6
No Stamina P2 4C8A923C 1456E7A5
Unlock All Characters 4C894034 1456E7A84C894038 1456E7A84C89403C 1456E7A84C894040 1456E7A84C894044 1456E7A84C894048 1456E7A84C89404C 1456E7A84C894050 1456E7A84C894054 1456E7A84C894058 1456E7A84C89405C 1456E7A8
Championship Mode Codes
Max Cash 4C8C0C00 1456B00C
Max Strength 4C8C0C02 14562B8F
Max Stamina 4C8C0C06 14562B8F
Max Endurance 4C8C0C0A 14562B8F
Max Dexterity 4C8C0C0E 14562B8F
Max Experience 4C8C0C12 14562B8F
Christmas Arena and Costumes
Start up your system without the disc inside then access the System Configuration option Choose clock adjustment and set the date to 12252000 After adjusting the date insert the game and begin Choose arcade mode and highlight Selene Strike on the boxer selection screen The words Holiday Outfit will appear underneath her name
Easy KO
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 KO will appear at the bottom of the screen
Extra hits
During a fight after you have taken all of your opponents life and they are falling down you can punch them four 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
Fight Rumble Man
At the character select screen press LEFTLEFTRIGHTR2LEFTRIGHTRIGHTR1R1R2
Referee as leprechaun
To have the referee look like a leprechaun set the PS2s internal clock to the 17th March
Unlock Costumes and Boxers
At the character selection screen press square and your character will
change his clothing it will only work on some people
Unlock GC Thunder039s Uncle Sam costume
To unlock GC Thunders Uncle Sam costume set the internal clock inside your PS2 to the 4th July
Unlock Joey T039s New Years baby costume
To obtain Joey Ts new years baby costume set the PS2 internal clock date to the 1st January
Unlock JR Flurry as a skeleton
To unlock JR Flurry as a skeleton set the internal clock inside your PS2 to the 31st October
Unlock Lulu Valentine039s sexy costume
To obtain Lulu Valentines sexy costume set the PS2s internal clock to the 14th February
Unlock Mama Tua039s Playboy bunny costumes
To unlock Mama Tuas playboy bunny costume set the PS2s internal clock to the 23rd April
Unlock Selene Strike as an elf and Rumble man as a snowman
To unlock Selene Strike as an elf and Rumble man as a snowman set the internal clock inside your PS2 to the 25th December
Unlocking Codes
Enter the following codes in the character selection screen