At the versus screen, press Turbo, Jump, and Pass to change the icons below the helmets. 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. If you entered the code correctly, you will see the name of the code and hear a sound. For example, to enter 1-2-3 Left, press Turbo, Jump(2), Pass(3), Left. Note: More then one code may be activated per game.
| Result | Code |
| Infinite turbo | 5-1-4 Up |
| Unlimited throwing distance | 2-2-3 Right |
| 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 |
| Allow stepping out of bounds | 2-1-1 Left |
| Fast passes | 2-5-0 Left |
| Show field goal % | 0-0-1 Down |
| Show punt hang meter | 0-0-1 Right |
| Hide receiver name | 1-0-2 Right |
| Invisible receiver highlight | 3-3-3 Left |
| Invisible | 4-3-3 Up |
| Red, white and blue football | 3-2-3 Left |
| 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 [Note 1] | 1-1-5 Left |
| Show more field [Note 1] | 0-2-1 Right |
| No CPU assistance [Note 1] | 0-1-2 Down |
| Power-up speed [Note 1] | 4-0-4 Left |
| Hyper blitz [Note 1] | 5-5-5 Up |
| Smart CPU opponent [Note 2] | 3-1-4 Down |
| Deranged blitz mode [Note 2] | 2-1-2 Down |
| Ultra hard mode [Note 2] | 3-2-3 Up |
| Super passing mode [Note 3] | 4-2-3 Right |
| Super blitz mode [Note 3] | 4-4-4 Up |
| Tournament mode [Note 3] | 1-1-1 Down |
| Always quarterback [Note 4] | 2-2-2 Left |
| Always receiver [Note 4] | 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 |
| Weather: clear | 2-1-2 Left |
| Weather: snow | 5-2-5 Down |
| Weather: rain | 5-5-5 Right |
| Arizona Cardinals playbook | 1-0-1 Left |
| Atlanta Falcons playbook | 1-0-2 Left |
| Baltimore Ravens playbook | 1-0-3 Left |
| Buffalo Bills playbook | 1-0-4 Left |
| Carolina Panthers playbook | 1-0-5 Left |
| Chicago Bears playbook | 1-1-0 Left |
| Cincinnati Bengals playbook | 1-1-2 Left |
| Cleveland Browns playbook | 1-1-3 Left |
| Dallas Cowboys playbook | 1-1-4 Left |
| Denver Broncos playbook | 1-1-5 Right |
| Detroit Lions playbook | 1-2-1 Left |
| Green Bay Packers playbook | 1-2-2 Left |
| Indianapolis Colts playbook | 1-2-3 Up |
| Jacksonville Jaguars playbook | 1-2-4 Left |
| Kansas City Chiefs playbook | 1-2-5 Left |
| Miami Dolphins playbook | 1-3-1 Left |
| Minnesota Vikings playbook | 1-3-2 Left |
| New England Patriots playbook | 1-3-3 Left |
| New Orleans Saints playbook | 1-3-4 Left |
| New York Giants playbook | 1-3-5 Left |
| New York Jets playbook | 1-4-1 Left |
| Oakland Raiders playbook | 1-4-2 Left |
| Philadelphia Eagles playbook | 1-4-3 Left |
| Pittsburgh Steelers playbook | 1-4-4 Left |
| San Diego Chargers playbook | 1-4-5 Left |
| San Francisco 49ers playbook | 1-5-1 Left |
| Seattle Seahawks playbook | 1-5-2 Left |
| St. Louis Rams playbook | 1-5-3 Left |
| Tampa Bay Buccaneers playbook | 1-5-4 Left |
| Tennessee Titans playbook | 1-5-5 Left |
| Washington Redskins playbook | 2-0-1 Left |
