The following are known Action Replay Codes for Dune 2000 on Sony Playstation (PS1).

The codes should work with the region specified but may work for other regions as well.

Device Compatibility: Action Replay, CodeBreaker & GameShark

Infinite Spice
800e091cffff

Max Spice
800e091c967f
800e091e0098

Building Structures 0 Cost
800e062cffff

Instant Build Structures
800e06325a00

Building Units Costs Nothing
800e063cffff

Instant Build Units
800e06425a00

Instant Upgrade
800e06e259ff