The following are known Action Replay Codes for Monster 4×4: Masters of Metal 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
EE8D7D9A BCBA1CAA

Max Cash
DEA52DCE BC413102

$1 Trucks

Bulldozer
DEA52392 BCA99B84

American Guardian
DEA5236E BCA99B84

Airborne Ranger
DEA5233A BCA99B84

El Toro Loco
DEA52296 BCA99B84

Grave Digger
DEA52262 BCA99B84

Gun Slinger
DEA5223E BCA99B84

Blue Thunder
DEA5218A BCA99B84

Destroyer
DEA52166 BCA99B84

Maximum Destruction
DEA52132 BCA99B84

Inferno
DEA5208E BCA99B84

Predator
DEA5205A BCA99B84

Prowler
DEA52036 BCA99B84

Eradicator
DEA52782 BCA99B84

King Krunch
DEA5275E BCA99B84

Iron Warrior
DEA5272A BCA99B84

Mountaineer
DEA52686 BCA99B84

Reptoid
DEA52652 BCA99B84

Sudden Impact
DEA5262E BCA99B84

Wild Hair
DEA525FA BCA99B84

Avenger
DEA52556 BCA99B84

Virginia Giant
DEA52522 BCA99B84

Madusa
DEA524FE BCA99B84

Power Forward
DEA5244A BCA99B84