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Defend the planet from an invading alien army. Protect the cities from alien attacks by placing defensive units on the surface of the planet.
Enough cities must survive the attacks to pass the mission.
Choose ‘Next wave Hero‘to get right into the action by controlling one of your defense units yourself!
Left click a spaceship and drag it onto the surface to add it.
You can change a ships behavior from a defensive style to an offensive style.
You can buy additional cities and upgrade spaceships. You gain money by destroying enemy units and by city population at the end of a battle.
You‘ll gain experience which can be used to unlock new units