Defend the tower as aliens are in full force of attack. Upgradable. Destroy as many aliens as possible and earn more credits to purchase/upgrade equipments.
Take control of a mining station on an outer planet that's crawled with alien bugs. Defend the station by deploying barracks and towers, train new troops, summon powerful aid from heroes, air strikes and more.
Prepare your defense against the oncoming waves of creeps. Don't let them complete the path. Do that by building your base that consists of defense towers along the way.
The Human dominion colonizes the first planet system outside its home worlds in the solar system. A suitable location is chosen on the distant cluster of Haven Prime. Defend and show what you're capable of.
Command up to 3 defenders where there will be tons of enemy waves that will try to destroy your base. Equip a variety of weapons in which you can unlock and upgrade as you advance in the game.
Deploy your units to ambush the passing by enemies. Enemies will return fire so beware that your troops may be killed. Luckily, allied airplanes will fly by to assist you.