Press Turbo, Jump, and Pass to change the icons below the helmets on the versus screen. The numbers in the following list indicate the number of times each key/button is pressed. After the icons have been changed, press the joystick/gamepad 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 Turbo, Jump two times, Pass three times, Left.
| 001D - Shows Field Goal % | |
| 010U - Late hits | |
| 012D - No CPU Assistance (*) | |
| 021R - Show more field (*) | |
| 032L - Fast Turbo running | |
| 040U - Huge head | |
| 045U - Super Blitz | |
| 050R - Big football | |
| 102R - Hide Receiver Name | |
| 111D - Tournament mode (In two player game) | |
| 111U - Clear tournament mode (*) | |
| 115L - No play selection (*) | |
| 123L - Super Field Goal | |
| 123R - Headless team | |
| 141R - Team Big players | |
| 151U - No punting | |
| 200R - Big head | |
| 203R - Team Big head | |
| 210U - No firstdowns | |
| 211L - Allow stepping out of bounds | |
| 212L - Clear weather | |
| 222R - Night game | |
| 223R - Throw Unlimited distances | |
| 233U - Powerup teammates | |
| 250L - Fast Passes | |
| 310R - Team Tiny players | |
| 312L - Powerup blocker | |
| 312U - Powerup offense | |
| 314D - Smart CPU opponent | |
| 321L - No head | |
| 333L - Invisible receiver highlight | |
| 344U - No interceptions | |
| 404L - Powerup speed (*) | |
| 421U - Powerup defense | |
| 423D - No random fumbles | |
| 423R - Super Passing (*) | |
| 433U - Invisible | |
| 444U - Super Blitz (*) | |
| 500L - Turn off stadium | |
| 514U - Infinite Turbo | |
| 522D - Unidentified call carrier | |
| 525D - Snowy weather | |
| 555R - Rainy weather | |
| 555U - Hyper Blitz (*) |
* Code requires both players to agree.