At the Versus screen, enter any of the following "Codes" using Turbo, Jump, and Pass. The numbers indicate the number of times you press each button. Then press either the D-Pad or Analog Stick to enable the code:
Infinite Turbo = 5-1-4 Up
Fast Turbo Running = 0-3-2 Left
Power-Up Offense = 3-1-2 Up
Power-Up Defense = 4-2-1 Up
Power-Up Teammates = 2-3-3 Up
Power-Up Blockers = 3-1-2 Left
Super Blitzing = 0-4-5 Up
Super Field Goals = 1-2-3 Left
No Interceptions = 3-4-4 Up
No Random Fumbles = 4-2-3 Down
No First Downs = 2-1-0 Up
No Punting = 1-5-1 Up
Green Bay Packers Playbook = 1-2-2 Left
Allow Stepping Out of Bounds = 2-1-1 Left
Fast Passes = 2-5-0 Left
Turn Off Stadium = 5-0-0 Left
Late Hits = 0-1-0 Up
Show Field Goal % = 0-0-1 Down
Show Punt Hang Meter = 0-0-1 Right
Use Team Plays = 1-0-0 Up
Hide Receiver Name = 1-0-2 Right
Invisible Receiver Highlight = 3-3-3 Left
Invisible = 4-3-3 Up
Big Football = 0-5-0 Right
Big Head = 2-0-0 Right
Huge Head = 0-4-0 Up
No Head = 3-2-1 Left
Headless Team = 1-2-3 Right
Team Tiny Players = 3-1-0 Right
Team Big Players = 1-4-1 Right
Team Big Heads = 2-0-3 Right
No Play Selection = 1-1-5 Left
Show More Field = 0-2-1 Right
No CPU Assistance = 0-1-2 Down
Power-Up Speed = 4-0-4 Left
Hyper Blitz = 5-5-5 Up
Smart CPU Opponent = 3-1-4 Down
Tournament Mode = 1-1-1 Down
Always Quarterback = 2-2-2 Left
Always Receiver = 2-2-2 Right
Old Day Stadium = 5-0-1 Up
Day Stadium = 5-0-1 Down
City Stadium 5-0-1 Left
Old Night Stadium = 5-0-2 Up
Night Stadium = 5-0-2 Down
Future Stadium = 5-0-2 Left
Old Snow Stadium = 5-0-3 Up
Snow Stadium = 5-0-3 Down
Roman Stadium = 5-0-3 Left
Grass Field = 3-0-0 Up
Asphalt Field = 3-0-1 Up
Dirt Field = 3-0-2 Up
Astroturf Field = 3-0-3 Up
Snow Field = 3-0-4 Up
Fog On = 0-3-0 Down
Thick Fog On = 0-4-1 Down
Clear Weather = 2-1-1 Left
Snow Weather = 5-2-5 Down
Rain Weather = 5-5-5 Right
Night Game = 0-2-2 Right
