These codes must be entered at the Race Qualify screen:Bike Mode - To race as a bike...press and hold Select, then Up, Down, O, T, Right, Up, S, T. You should see the words "bike mode activated."
Buggy Mode - To race as a buggy...press and hold Select, then Right, Up, T, Left, Up, S, T. You should see "buggy mode activated."
German Mode - To hear German commentary...press and hold Select, then Down, Up, Left, Left, S, O, X. You should see "german mode activated."
Gibberish Mode - press and hold Select, then Left, O, Up, Down, Down, Right, O, S, S.
Extra Track - press and hold Select, then Left, O, O, T, T, O, Up, Right. At Circuit Select screen, check out Grand Champion Bonus Track.Lava Mode - press and hold Select, then S, O, Up, Right, Right, O, X. A message will appear saying Lava mode activated.
Thanks to Revolution readers Michael Borro and Filben McCoy!

Embark on an inspiring mission of human connection beyond the UCA. Sam — with companions by his side — sets out on a new journey to save humanity from extinction. Join them as they traverse a world beset by otherworldly enemies, obstacles and a haunting question: should we have connected?