Infinite Ammo:
Pause the game and press Left Trigger, Right Trigger, X, X. When done correctly you'll hear a sound.

Level select:
Successfully complete the game on the normal or hard difficulty setting to unlock an option that will allow you to pick any level in the game.
Grenades:
When on any level and there are two enemies talking to each other, throw a grenade (for example at the beginning of the Think Like A Gun level). They will not even look to see what it was because they will be distracted.

Mega Cheat
Go to extras. Go to cheat (At the cellphone) and press these numbers.714 555 8092

Trippy mode(disco lights):
Go to extras. Go to cheat (At the cellphone) and press these numbers.818 555 1447 Max Out Stats:
Go to extras. Go to cheat (At the cellphone) and press these numbers.2125551776 Get 1st person View:
Go to extras. Go to cheat (At the cellphone) and press these numbers.8775553825 Get High Jumps:
Go to extras. Go to cheat (At the cellphone) and press these numbers.2175550217 Get Perfect balance:
Go to extras. Go to cheat (At the cellphone) and press these numbers.8775553825 Get All tricks:

Unlockable Trophies:
Do the task to obtain the trophy.
Feet Of Fury 1 Sing and Dance Platinum Record on Expert
Diamond Miner 1 Diamond Record
Diamond Mic 50 Diamond Records
Dancing Fool 1 Sing and Dance Platinum Record
Best New Duo 1 Duet Platinum Record
80s Maniac Complete 80s Set
Gold Master 50 Gold Records
Karaoke Millionaire 1,000,000 Total Points
Karaoke World Tour Complete 50 songs
Oldies But Goodies Complete Oldies Set
Perfect Pair 1 Duet Diamond Record
Platinum Debut 1 Platinum Record
Rock Star Complete Rock Set
The Big Romantic Complete Ballads Set
The Boss Of Boogie Complete Dance Genre Set

One Week song:
Successfully complete showtime mode.

Ladies Night song:
Successfully complete arcade mode under the beginner difficulty setting with at least
a "Gold" rank on all songs.

Smooth Criminal song:
Successfully complete arcade mode under the intermediate difficulty setting with at
least a "Gold" rank on all songs.

Science Genius Girl song:
Successfully complete arcade mode under the advanced difficulty setting with at least
a "Gold" rank on all songs.

Play as Bub:
Complete a song in showtime mode with a "Platinum" rank.

Play as Cherry:
Complete a song in showtime mode with a "Platinum" rank.

Chojin Moves:
Beat the game with any fighter to unlock his/her Chojin moves.

Daeva and Boss stage:
Successfully complete the game with all twelve characters and unlock Chojin mode. Note: This cannot be done under the
easy difficulty setting. This will unlock Daeva and her Circle Of Fire stage. To select her, move the pointer off the screen on the first row of the character selection screen. Do the same on the stage selection screen to choose the Circle Of Fire stage. Successfully complete the game with Daeva to unlock her Chojin mode. Note: Some characters have different power moves in C

New Outfits:
While selecting a fighter press L at the character select screen.