Power overwhelming - God Mode
 
Show me the money - Gives you 10,000 gas and 10,000 crystal
 
Operation CWAL - Speeds construction of buildings and units
 
The Gathering - Gives unlimited energy to all casting units
 
Game over man - Ends your game as a loss

Staying Alive - Prevents the mission from ending due to victory or defeat

There is no cow level - Completes the current mission

Whats mine is mine - Free minerals

Breathe deep - Free Vespene Gas

Something for nothing - Gives all upgrades

Black Sheep Wall - Shows entire map

Medieval man - Free upgrades to units

Modify the phase - variance Ability to build all buildings

War aint what it used to be - Disables fog of war

Food for thought - Ability to build units beyond the support limit

Ophelia - Enter this to enable level skipping cheat
Then enter the mission you want to skip to (that is, "terran10") to go there.

noglues - Your Enemyies Can't Biled    Speciel Bilding's