Backyard Football Cheats

GameCube

Fumbles
If you hit someone straight on or behind with speed they will fumble.

Invisible Players
At the main menu, press Z to display the cheats screen, then enter "GHOST" as a code.

Juke
If you go straight for someone and press R or L you will juke them out.

No Gameshark Backyard Football Hacks found.

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Backyard Football Strategy Guide
Get help with the Backyard Football Strategy Guide at Amazon.com