This game is combination of a tower defense game and RTS game. Your mission is to build up your forces as wave after wave of insatiable enemies attack, then strategically repair and upgrade your units to keep from getting overwhelmed. Storm Astrum Defense starts slow and builds to a fever pitch of furious futuristic combat that will have you ducking for cover. The key to Storm Astrum Defense is to build a strong line of units and keep it from being breached by the enemy forces. Use YOUR MOUSE to build, repair, and upgrade units. Good luck!