Star Marines: War Invasion! The war for this sector of the galaxy has begun! Warning sirens scream across your fortress. Hostile contacts detected! A massive enemy force is on the approach! Prepare for the fight, Commander! On this crucial outpost, your Star Marine force is the last line of defense for your vital base. This is no mere skirmish; it's an epic, endless war against relentless alien enemy swarms! Get ready for battle! Dive into the intense, strategic battle of this epic idle tower defense (TD) experience. Your mission is crystal clear: fight and defend against unstoppable waves of diverse and terrifying enemies. Confront alien force swarms of metallic beetles, buzzing drones, horrifying giant spiders, and other monstrous entities. Each enemy force is determined to breach your fortress perimeter and overrun your strategic towers and positions. But you face this war with your elite Star Marine force! Command hardened veterans equipped for any battle with advanced weapon...