Unlock Kickin' or Stickin'
     To unlock this cheat, play the game three hours using one user name.

Unlock Paper Football Game
     To  unlock  the  paper  football  game  in  the  Crib, finish one
complete game in First Person Mode.

Bobble the Heads
     When  you  unlock  a bobble head doll, go to the bobble head case
and  select  one of the dolls. Use the left analog stick to rotate the
doll, and the right analog stick to flick its head.

Unlock Air Hockey in the Crib
     To unlock Air Hockey in the Crib, win the Super Bowl.

Unlock Big Head Mode
     To unlock Big Head Mode, make a custom player.