Critics argue split-second keys are .
On the "Press Enter to Start" screen, use the to enter these sequences quickly. A beep will confirm the code was accepted. Unlockable Car Code Sequence (Arrow Keys) Disney XD Car Up, Left, Right, Right, Left, Left, Right, Right Corbretti Slipstream Left, Down, Up, Right, Right, Left, Down, Down Hanzo Bayonet MX Left, Down, Left, Down, Right, Down, Right, Right Ryback Mohawk XDX Up, Left, Right, Right, Left, Left, Right, Right Ryback Brawler GSX Left, Up, Right, Left, Down, Left, Down, Right Xbox 360 & PS3 Unlock Codes split second serial key and unlock code