WWE Crush Hour Cheats

Kevin Nash:
By pushing L, X, Z, Y in any menu.

Level select and all vehicles:
Press Y, Z, X, L at the player selection menu.

Season Mode:
If you can't win a particular match in this mode you can quit the match and return to it later. By doing so you might obtain weaker opponents which are easier to beat. Try to remember to target opponents with low health. It is better to leave your weak weapons behind and grab more powerful ones.
User Cheat by SnakeEyes

Extra game modes:
You can unlock Running the Gauntlet, Battle Royal, Bottom Line, Survivor Series, Royal Rumble, and King of the Ring for exhibition mode by winning the matches in that particular format in season mode.

Heavy damage in Demolition Derby mode:
By getting the ramming power pick up while playing the game you can inflict some heavy damage on opponents by combining this pickup with turbo.

Bradshaw:
Finish season mode as Brock Lesnar to unlock Bradshaw in season mode.

Christian:
Finish season mode as Chris Jerhico to unlock Christian in season mode.

D-Von Dudley :
Finish season mode as Bubba Ray Dudley to unlock D-Von Dudley in season mode.

Hulk Hogan:
Finish season mode as The Rock to unlock Hulk Hogan in season mode.

Play in season mode as Kane. Defeat Hulk Hogan at the tag team match to unlock him.
User Cheat by Oldtimer

Lita:
Finish season mode as Matt Hardy to unlock Lita in season mode.

Ric Flair:
Finish season mode as Big Show, Rob Van Dam, Triple H to unlock Ric Flair in season mode.

Stephanie McMahon:
Finish season mode as Kurt Angle to unlock Stephanie McMahon in season mode.

Vince McMahon:
Play through season mode as any character and defeat Vince McMahon in the last level to unlock him in exhibition mode.

Level select:
Finish season mode with any character to unlock all levels.
User Cheat by candya**

Demolition Derby mode:
By winning a match without firing any weapons. (Lumberjack and Hardcore are recommended characters for this task)

WWE Heavyweight Title belt:
By winning a season with a WWE RAW character. They will now appear with the WWE Heavyweight Title belt at the character selection screen.

WWE World Title belt:
By winning a season with a WWE SmackDown! character. They will now appear with the WWE World Title belt at the character selection screen.

Woman's Championship belt:
By winning a season with a woman character. She will now appear with the Woman's Championship belt at the character selection screen.

World Heavy Championship (RAW Brand) belt:
By winning a season mode with a RAW character. They will now appear with the World Heavy Chamionship belt in the character selection prompt.