The following are known Action Replay Codes for NFL GameDay 2003 on Sony Playstation 2 (PS2). These codes were also known as GameShark Codes and in most cases will work on both devices.

Device Compatibility: Action Replay & GameShark (Version 1 & 2)

Master Code – Must Be On
0E3C7DF2 1853E59E
EE820C4E BCC2701A

Infinite Play Time
DE47FB1A BDBBA095

No Play Time: Press Select
0EA8ED38 BCA99A81
DE47FB1A BDBADEEB

Home Scores 0
CE4704C6 BCA99B83

Home Scores 50
CE4704C6 BCA99BB5

Away Scores 0
CE4704CE BCA99B83

Away Scores 50
CE4704CE BCA99BB5

Home Win: Press L1+L2
0EA8ED38 BCA99582
CE4704C6 BCA99BB5
0EA8ED38 BCA99582
CE4704CE BCA99B83

Away Win: Press R1+R2
0EA8ED38 BCA99082
CE4704C6 BCA99B83
0EA8ED38 BCA99082
CE4704CE BCA99BB5

Infinite Time Outs Home
CE4704D6 BCA99B86

No Time Outs Home
CE4704D6 BCA99B83

Infinite Time Outs Away
CE4704D0 BCA99B86

No Time Outs Away
CE4704D0 BCA99B83

Infinite Creation Points
CE5B3D04 BCA99BFB

Low Created Salaries
CE5BBB8A BCA99B84