Speed up Gameplay (WLTRPYTN Code):
Enter "WLTRPYTN" (Walter Payton) under the cheat
option and the game will speed up a little. If you
thought QBC's gameplay was to slow, perhaps this will
help. 

Fumble Mode:
Enter this code at the cheat menu to make players 
fumble the ball constantly: GTNHNDS 

Slippery Play:
Enter this code at the cheat menu for slipper 
play: SPRSLYD 

Sticky Hands:
Enter this code at the cheat menu and your players
will always catch the ball: STYCKYHNDS 

Unlimited Downs:
Entering this code at the cheat menu enables 
unlimited downs: DWNDRV