All tracks:
Select the "Cheats" option at the main menu. Enter "CHIMPGIVEAWAY" as a code, then enable that cheat at the "Code Collection screen.

All cars:
Select the "Cheats" option at the main menu. Enter "MONKEYSPOILERS" as a code, then enable that cheat at the "Code Collection screen.

All gadgets:
Select the "Cheats" option at the main menu. Enter "GADGETDEAROUT" as a code, then enable that cheat at the "Code Collection screen.

Kid mode:
Select the "Cheats" option at the main menu. Enter "THOSEWACKYKIDS" as a code, then enable that cheat at the "Code Collection screen