Use your mouse to aim, click to shoot, change your weapon with the 1,2,3,4,5 and 6 keys. You can use the mouse wheel to faster change of weapon.

TIP 1: Every Enemy has a weapon to defeat it, shotgun and pistol for kamikazes, rifle for bikers and cloack soldiers, rocket and laser for mech units.

TIP 2: When you have 2 energy cells, they take half of damage than a single cell.

TIP 3: Goliath's missiles can be shot on air.

TIP 4: Save money for the last missions, don't buy everything.

This is an action shooter where you have to defend your city from the alien invasion.

The game has 15 intense levels, unique story, 6 unlockable weapons, base upgrades and 6 different enemy units. Beat the game and watch the great final!.