The following are known Action Replay Codes for 4×4 Evolution on SEGA Dreamcast (Dreamcast). These codes were also known as GameShark Codes and in most cases will work on both devices.

Device Compatibility: Action Replay & GameShark

Remove Hack Check
1CB284F4
1456E7A5

Super Gravity
1CAD9B14
D5D6E7A5

Low Camera Position
1CAD9938
1456E7A5

(M)
ECB6A634
1456E60A

Moon Gravity
1CAD9B14
D4D6E7A5

Infinite Cash
1C1D6884
61DFB00C

Finish after 1st lap
1CB4E710
1456E7A5