Press Enter and write:

POWER OVERWHELMING: God
OPERATION CWAL: Velocity
THE GATHERING: Energy
NOGLUES: No energy enemies
GAME OVER MAN: Sudden death
STAYING ALIVE: Play & complete the mission
SHOW ME THE MONEY: 10000 Gas & mineral
THERE IS NO COW LEVEL: Complete the mission
WHAT MINE IS MINE: 500 minerals
BREATHE DEEP: 500 gas
SOMETHING FOR NOTHING: Upgrade
BLACK SHEEP WALL: Complete map
MEDIEVAL MAN: Upgrade units
MODIFY THE PHASE VARIANCE: Build all
WAR AINT WHAT IT USED TO BE: No war
FOOD FOR THOUGHT: More units
OPHELIA: Press "Enter" & the number of the level