The following are known Action Replay Codes for The King of Route 66 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
EE8DBEE2 BCBADB72

All Gold Medals
DE51B3D2 BDAA9C84
DE51B3DE BDAA9C84
DE51B3DA BDAA9C84
DE51B3E6 BDAA9C84
DE51B3E2 BDAA9C84
CE51B3EE BDAA9C84

Max Total Emblems
DE51BFE6 BC413102