Ready 2 Rumble Boxing: Round 2 cheats and cheat codes for Dreamcast

Cheat codes:
At the character selection screen, press the following button combinations:
If the codes are accepted , you should hear a sound.

Unlock all boxers and outfits
press Left, Right, Left, Left, Right, Up, Down, R(5 times), L 

All champion outfits available
Press Left, Down, Right, Right, Up, R, L, R(20 times), L. 

All boxers available
Press Left, Left, Right, L, Left, Right, Right, R(2 times), L.

All holiday costumes available
Press Left, Left, Down, Right, Up, R(8 times), L, R(4 times), L. 

All training available
Press Left, Down, Up, Down, Up, R(20 times), L. 

Jump to final match
Press L, Down, Right, Up, Left, R(6 times), L, R(2 times), L. 

15 new camera views
Press R(20 times), L, R, L, R(21 times), L, R(18 times), L, R(9 times), L, 
R(14 times), L, R(5 times), L, Left, Right, Up, Down, L.

Hyper speed mode
Press Left, Left, Down, Up, Down, Right, Right, R(19 times), L. 

Faster gameplay
Press Right, Right, Up, Down, Right, R(4 times), L.

Big gloves
Press Left, Right, Up, Down, R, L.

Big head mode
Press Right, Right, Up, Down, Right, R(3 times).

Undead boxer
Press Left, Up, Right, Down, R(2 times), L.

Fat boxer
Press Right, Right, Up, Down, Right, R(2 times), L.

Thin boxer
Press Right, Right, Up, Down, Right, R, L.

Holiday: Valentines Day
Press Right, Up, Down, Down, Down, R(2 times), L.

Holiday: St. Patricks Day
Press Right, Up, Down, Down, Down, R(3 times), L.

Holiday: Easter
Press Right, Up, Down, Down, Down, R(4 times), L.

Holiday: Independence Day
Press Right, Up, Down, Down, Down, R(5 times), L.

Holiday: Halloween
Press Right, Up, Down, Down, Down, R(6 times), L.

Holiday: Thanksgiving

Press Right, Up, Down, Down, Down, R(7 times), L.

Holiday: Christmas
Press Right, Up, Down, Down, Down, R(8 times), L.

Holiday: New Years
Press Right, Up, Down, Down, Down, R, L.

Unlock Freak E. Deke and Michael Jackson
Press R(13 times), L, R(10 times), L


View ending
At the main menu, press Right, Right, Right, Down, R, L.

Maximum level 1 Rumble meter
Pause the game and press R, L, Down, Up, Up, Left, R(3 times), L.

Maximum level 2 Rumble meter
Pause the game and press R(2 times), L, Down, Up, Up, Left, R(4 times), L.

Maximum level 3 Rumble meter
Pause the game and press L, R(2 times), L, R, L, R(4 times), L, Left, Right, 
Up, Down. 

Unlockable characters:
Bill Clinton: Finish the game in arcade mode 9 times
Freak E. Deke: Finish the game in arcade mode once
Freedom Brock: Finish the game in arcade mode 6 times
G.C. Thunder: Finish the game in arcade mode 3 times
Hillary Clinton: Finish the game in arcade mode 10 times
Michael Jackson: Finish the game in arcade mode 2 times
Robox Rese-4: Finish the game in arcade mode 8 times
Rocket Samchay: Finish the game in arcade mode 7 times
Shaquille O'Neal: Finish the game in arcade mode 5 times
Wild "Stubby" Corley: Finish the game in arcade mode 4 times
Rumble Man: Finish the championship mode with all characters, after
finish arcade mode in hard mode.

Unlockable outfits:
Unlock the champion outfits. Finish the championship mode
Secret Easter outfit: Modify the system date to April 23, 2001
Secret Halloween outfit: Modify the system date to October 31
Secret Independence Day outfit: Modify the system date to July 4
Secret New Year's outfit: Modify the system date to January 1
Secret St. Patrick's Day outfit: Modify the system date to March 17
Secret Valentine's Day outfit: Modify the system date to February 14
Selene Strike and a snowman outfit for Rumble Man: Modify the system 
date to December 25
Unlock the champion outfits: Finish the championship mode