Press L2, R2, and X (Juke, Turbo, and Hurdle) 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. Example, to enter 1-2-3 Left, press L2, R2(2), X(3), Left.

Effect Code
Extra time 0-0-1 Right
Disable Auto-Passing icon 0-0-3 Down
Auto-Passing icon 0-0-3 Up
No CPU assist1 0-1-2 Down
Show more field1 0-2-1 Right
Big feet 0-2-5 Left
Power loader 0-2-5 Right
Chimp mode 0-2-5 Up
Chrome ball 0-3-0 Down
Classic ball 0-3-0 Left
Faster running 0-3-2 Left
Central Park 0-3-3 Right
Arctic Station 0-3-4 Down
Training Grounds 0-3-5 Up
Super Blitzing 0-5-4 Up
Tournament mode1 1-1-1 Down
Super field goals 1-2-3 Left
Clear weather 1-2-3 Right
No punting 1-4-1 Up
Huge heads 1-4-5 Left
Big heads 2-0-0 Right
Big head teams 2-0-3 Right
No first downs1 2-1-0 Up
Allow out of bounds 2-1-1 Left
More code entry time 2-1-2 Right
Always QB (two humans on team) 2-2-2 Left
Always receiver (two humans on team) 2-2-2 Right
Ground fog 2-3-2 Down
Fast passes 2-4-0 Left
Midway team 2-5-3 Right
Rollos team 2-5-4 Up
Bilders team 3-1-0 Up
Smart CPU teammates 3-1-4 Down
No highlighting receivers 3-2-1 Down
Noftle mode 3-2-5 Up
Extra play for offense 3-3-3 Down
Neo Tokyo team 3-4-4 Down
More fumbles 3-4-5 Up
Showtime mode 3-5-1 Right
No interceptions 3-5-5 Up
Crunch Mode team 4-0-3 Right
Power-up offense 4-1-2 Up
Unlimited turbo 4-1-5 Up
Power-up defense 4-2-1 Up
Brew Dawgs team 4-3-2 Down
Gsmers team 5-0-1 Up
Power-up Linemen 5-2-1 Up
No random fumbles1 5-2-3 Down
Armageddon team 5-4-3 Right
No replays 5-5-4 Right
Weather: Snow 5-5-5 Left
Weather: Rain 5-5-5 Right