Cheats:                        
Press [Enter] during game play, type one of the following codes, and press [Enter] again to activate the corresponding cheat function:

Power overwhelming - Invincibility for all your units

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 mana to all casting units

Game over man - Instant loss

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

There is no cow level - Instant victory

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 w/o the requirements

War aint what it used to be - Turns off fog of war

Food for thought - Ability to build units beyond the food supply limit

Noglues - Disables computer's use of energy (i.e. lockdown, psi storm, recall, etc...)

Radio Free Zerg - Plays the new Zerg soundtrack for Brood Wars - pretty cool tunes

Ophelia - Enter this to enable level skipping cheat. Then enter the mission you want to skip to (i.e., "terran10") to go there. For Brood War levels type x before the levels (i.e., "xterran8")

Hear different unit phrases:
Select a unit four times. Select it again to hear a different phrase. This may be done on every ground unit, air unit, and heroes. Depending on type, four to seven different phrases may be heard.

Nuke neutral animals:
Keep selecting a neutral animal (Kakaru, Rhyadon, Scantid, Ursadon, Bangalass, Or Ragnasaur) repeatedly until a nuke falls on them. They should make up to fifteen sounds before they die.