Your space base has been attacked by alien Bluul race, that came out of the intergalactic portal. You are commanding a huge laser cannon and have to defend the base. Shoot down all enemies and build defensive barricades and turrets. Buy, upgrade and repair your base in order to survive for as long as you can. This is a really thrilling experience for all tower defense games fans!

Game Controls:
N – Start the wave. H – Hide the User Interface. R – Restart level
ESC – Return to Menu

Right Click – Sell Turrets / Walls. SPACE – Toggle auto-fire on/off
Double Click – (on a turret) Open Upgrade Menu
SHIFT+CLICK – Auto-upgrade the turret