Successfully complete the game with any character to unlock the Tek-9 glider.
Pause gameplay, then hold L and press X, Y, A, Left, Left, Right, Right.
Successfully complete the game with Chops, Sid, and Zero-G to unlock Hex as a selectable character.
Pause gameplay, then hold R and press B, X, Left, Left, Y.
Get the time challenge goal for every level to unlock Synder.
Pause gameplay, then hold L and press X, B, Left, Y, Right, Right.
Pause gameplay, then hold L and press X, B, B, Left, Left, Y, B.
Successfully complete the game with all three default characters in time challenge, stunt challenge, an cash trial modes with all medals.
Pause gameplay, then hold L and press Up, X, B, Y, Left, Left.