NFL Blitz 2001
Note: You must have a 2.1 or higher version of the Game Shark to use these codes in a Game Boy Color system.
| Always 1st Down | 01017EC4 |
| Always 4th Down | 01047EC4 |
| Home Team Score Modifier | 01??60C5 |
| Away Team Score Modifier | 01??3CC6 |
NFL Blitz 2001
Note: You must have a 2.1 or higher version of the Game Shark to use these codes in a Game Boy Color system.
| Always 1st Down | 01017EC4 |
| Always 4th Down | 01047EC4 |
| Home Team Score Modifier | 01??60C5 |
| Away Team Score Modifier | 01??3CC6 |