There are 5 unlockable characters in UFC Undisputed 2010. Directions are for the d-pad.
Unlock BJ Penn alternate attire/ Black Trunks - LB,RB,RT,LT,LT,RT,RB,LB,Y,X,X,Y,start
Unlock Shaq - down,up,left,down,down,left,up,down,down,left,X,Y,Y,X,start
Unlock Tapout characters (Mask, Skyscrape, Punkass) - down,down,up,down,left,down,back,start
View all XBOX360 cheats!
Enter at the Main Menu:
Mask, Skyscrape, & Punkass - Down, Down, Up, Right, Left, Down, Select, Start
Play as BJ Penn (black trunks) - L1, R1, L2, R2, R2, L2, R1, L1, Triangle, Square, Square, Triangle, Start
Unlock Shaq - down, up, left, down, down, left, up, down, down, left, square, traingle, triangle, square, Start
View all PS3 cheats!