At the VS Screen hit Turbo 3 times,Square 4 times, x 4 times, and up For No interceptions
At the vs screen hit Turbo 5 times, Square 2 times, x 5 times, and down For Weather Snow
At the VS Screen hit Turbo 5 times, Square 1 time, x 4 times, and up For infinite turbo
At the VS Screen hit Square 4 times, x 5 times, and up for Super Blitzing
Onside Kick after making a touchdown hold up + Turbo + Jump + Pass

Cheat mode:

Press Turbo (R1), Jump (Triangle), and Pass (X) to change the icons below the helmets on the versus screen.

The numbers in the following list indicate the number of times each button is pressed. After the icons have been changed, press the D-pad in the indicated direction to enable the code.

The name of the code and a sound will confirm correct code entry.

Fast turbo running
0-3-2 Left

Infinite turbo
5-1-4 Up

Super blitzing
0-4-5 Up

Fast passes
2-5-0 Left

Unlimited throwing distance
2-2-3 Right

Super field goals
1-2-3 Left

Power-up teammates
2-3-3 Up

Power-up blockers
3-1-2 Left

Power-up offense
3-1-2 Up

Super blitz mode (Two player agreement required)
4-4-4 Up

Hyper blitz (Two player agreement required)
5-5-5 Up