StarCraft 64 Codes -

Buy anything:
Press + to display a menu with ground and air units, regular and advanced buildings, and upgrades and research.

Special Cheat:
Play through the game until you get to the third episode (Protoss). Successfully complete the last round on that episode to unlock the Special Cheat (Invincibility).

Infinite Mana:
Play through the game until you get to the sixth episode (Zerg/The Last Episode). Successfully complete the last round on that episode to unlock the "Inf. Mana" cheat.

Mega Build:
You can get the Mega Build cheat disc in the first level of the Zerg mission (X-1: Vile Disruption) in Brood War. After you save the first two hives, go down into a corner, by following the path to the right, and you will see a data disc. Touch it to unlock the Mega Build cheat, which allows you to build faster.

Fog Of War Off:
Play through the game until getting to the Protoss mission (Brood War) X-03: Legacy of the Xel 'naga. Go to the small island after Corsairs fly by at the beginning of the mission. Touch the white flag to unlock the cheat.

Give Me Cash/Gas:
Play through the game until getting to the Terran mission (Brood War) X-07: Patriot's Blood. Locate the second Terran computer beacon in the room with four civilians. Use the bottom door to exit. Move to the right until the fire bats are encounter. Go through that area and locate the Ursadon being held in a cell. Use a marine open the cell door and approach the Ursadon. Move all your units into the cell when it asks to be hugged and press . This cheat will give you 1000 minerals and gas.

Open Tech Tree:
Play through the game until getting to the Original Episode 3 (Protoss) level 6: Into The Darkness. When the mission begins, go down the hall until you get to the stairs. Do not go down the stairs -- instead turn to your left and proceed down the hall. The adviser will tell you to turn back. Go back a short distance, then go back toward the dead end to get the cheat.

All Research:
Play through the game until getting to Zurg level 06: The Amerigo. Reach the part where the Marines shoot the Zerglings in the pen. You will also see a cage full of animals. Get Kerrigen to the bottom left of the pen to get the cheat.

Control other groups:
Play as the Protoss against at least one Terran group and at least one Zerg group. Use your Dark Archon with the Possess ability and possess a Drone and a SCV. After doing this you can use the drone to build Zerg structures and the SCV to build Terran structures.

Bonus missions:
Successfully complete level nine in the Zerg Brood War Episode with at least five minutes remaining to unlock the bonus "Dark Origin" (Omega) mission for episode 6. Note: No cheat codes can be used in any mission, including the last mission.

Successfully complete all 58 missions to unlock the cooperative multi-player "Resurrection IV" mission.

Faster map movement:
Hold while moving around the main map.

Hidden sounds:
Repeatedly select a person until he says a phrase that is not normally heard during normal game play.