Motocross Madness 2 cheats, and Codes for PC.
Rainbow Studios background
During a game, press [Alt] + [Tab] + A to switch screens, then return to the game.
Quick fall recovery
When you fall off your bike, immediately press [Tab] to return your racer to his bike instantly.
Big Head Mode
From the Main Menu, simply type "big heads" to activate big head mode (the bikers will have large heads)