Access Cheats
Choose Cheats from the Options Menu, then highlight the cheat and press the A Button to mark it with an X.

Extra minerals and gas
Episode 5, Terran Mission 7, Patriot's Blood Surround the bear in the upper middle section of the ma to get the cheat.

Faster Building cheat
In the first level of the Zerg campaign, go down into a corner after you save the first two hives to find the Mega Build cheat disc. Simply touch it to unlock a cheat to make your build faster.

Invincible Units
Complete the first three episodes.

Tech Tree Cheat
Where found: Episode 3, Protoss Mission 6, Into the Darkness Go right and down to the first open area, then stay to the left and walk to the end of the path to get a message about "sacred ground". Wait for about 20 seconds to activate the cheat.

Turn off fog of war.
Episode 4, Protoss Mission 3, Legacy of Xel'Naga Capture the flag to the north of your starting base.

Unlimited mana
Complete all 56 missions in the episodes.

Unlock all research
Episode 2, Zerg Mission 5, The Amerigo Have Karrigan walk to the left of the cell with the animals in it.

Unlock all upgrades
Episode 1, Terran Mission 4, The Jacobs Installation Locate the guy in orange to unlock the cheat.

Gameshark Codes

Hi Res Enable Code	f109BA902400
Infinite Vespine Gas-Episode I, IV & VI	810B1D783B9A 810B1D7AC9FF
Infinite Vespine Gas-Episode II	810B1D803B9A 810B1D82C9FF
Infinite Vespine Gas-Episode III	810b1d903b9a 810b1d92c9ff
Infinite Minerals-Episode I, IV & VI	810B1D483B9A 810B1D4AC9FF
Infinite Minerals-Episode II	810B1D503b9a 810B1D52c9ff
Infinite Minerals-Episode III	810b1d603b9a 810b1d62c9ff