Hold Start on controller two and power on the PlayStation. Continue to hold the button until the main menu appears. Then at the main menu or while the game is paused, press L1, R1, R2, L1, Select, Start to enable cheat mode. Menu options for campaigns 2 and 3 will be unlocked, and the following codes may now be enabled:

Level skip

While playing a game, press Select on controller two.

God mode

While playing a game, press Triangle on controller two. Note: This also reveals all hidden objects.

Infinite power

While playing a game, press Circle on controller two.

All items

While playing a game, press X on controller two.

Super unit strength

While playing a game, press Up on controller two.

Weak unit strength

While playing a game, press Right on controller two.

Current research completed

While playing a game, press Down on controller two.

Additional structures

While playing a game, press R1 on controller two.

Additional units

While playing a game, press R2 on controller two.