The following are known Action Replay Codes for Turok 3: Shadow of Oblivion on Nintendo 64 (N64).

Device Compatibility: Action Replay & GameShark

Infinite Life Force
813334fc0063

Have PSG
8133395a0100

Have Blade
813339440100

Have Cerebral Bore
813339580100

Infinite Arrows
813339280064

Infinite Shotgun Ammo
813339320064

Infinite Firestorm Cannon Ammo
813339300064

Have Shotgun
813339500100

Have Pistol
8133394a0100

Infinite Grenade Gun Ammo
8133392a0064

Infinite Pistol Ammo
8133392e0064

Infinite Health
813334fa6400

Have All Secrets
811659c6ffff
811659c4ffff

Have Grenade Launcher
813339540100