The enemy is approaching our city and there is little time left. You are all that stands in the way. You must stand your ground!

Use your mouse to aim your canon and Left click to fire it. You can also hold down the button to keep on shooting. You can build new units by pressing the [B] key or clicking 'Build Unit' on the game screen. To repair your units hit the [R] key or click 'Repair Units' on the game screen.