Medusa [Submitted by:SNailB8ter] Get a fight going in the ladies bathroom in Hardcore Challenge mode to unlock Medusa.
Infinite stamina From main menu, press R1, R1, Triangle, R1, R1, Triangle.
Low gravity From main menu, press R1, L1, L1, L1, Square, Triangle.
Vampiro [Submitted by:SNailB8ter] Set your opponent on fire in the truck area in Hardcore Challenge mode to unlock Vampiro.
3 Count Hit your opponent over the head with the TV in the media center in Hardcore Challenge mode to unlock the three members of the 3 Count.
Rude grunts From main menu, press R1, L1, R1, L1, Triangle, Triangle.
Kronik Set your opponent on fire in the block in Hardcore Challenge mode to unlock Brian Adams and Bryan Clark.
Tiny wrestlers From main menu, press R1, R1, L1, L1, Square, Square.
La Parka Knockout your opponent with the steel chair in the truck area in Hardcore Challenge mode to unlock La Parka.
Indestructible weapons From main menu, press L1, R1, L1, R1, Square, Square.
Mike Awesome Throw your opponent through a table, bench, or couch in the secret area of the block in Hardcore Challenge mode to unlock Mike Awesome.
Vince Russo [Submitted by:SNailB8ter] Knockout your opponent with the briefcase in the media center or parking lot in Hardcore Challenge mode to unlock Vince Russo.
Big women wrestlers: From main menu, press R1, R1, Triangle, Triangle, L1, L1.
Lance Storm, Mike Awesome, Lt. Loco, Doug Dillinger Complete Hardcore Challenge mode on the easy difficulty setting with any male wrestler to unlock Lance Storm, Mike Awesome, Lt. Loco, and Doug Dillinger.