Cosmic Swarm: Space Defender

Defend your station against the endless alien swarm! Cosmic Swarm is an idle space defender that blends tower defense strategy with fast-paced arcade action — easy to pick up, hard to put down. Your central station sits at the heart of the galaxy, and wave after wave of alien invaders wants it destroyed. Build turrets, launch orbital defenders, unleash tesla coils and devastating beam weapons. Every run earns Dust — spend it on permanent Tech Lab upgrades and come back stronger. ⚡ WHY YOU'LL LOVE COSMIC SWARM • No pay-to-win: everything is earned by playing • Quick sessions: a run takes minutes, progress lasts forever • Small download, smooth on any phone 🛡️ STRATEGIC TOWER DEFENSE • Build and upgrade turrets, orbitals, tesla coils and beam weapons • Deploy orbital planets that auto-fire and crush anything that drifts too close • Choose your loadout: every run can play differently • Legendary evolutions and god-tier drops change everything mid-run • Face the towering Goliath Asteroid boss every 10 waves 🚀 ENDLESS PROGRESSION • Permanent meta upgrades in the Tech Lab — hull integrity, core damage, auto-repair • Unlock station skins in the Armory, each a full loadout with its own active ability • Checkpoint system — restart from your best wave, no grinding • Beat your high wave and climb further every session 🎮 ARCADE ACTION, IDLE HEART • Watch your defense shred hundreds of enemies on screen • Neon retro sci-fi style with chiptune soundtrack • Idle-friendly: your strategy does the work, you reap the rewards Perfect for fans of space shooters, idle games, tower defense, survivor-style roguelites, and arcade shoot 'em ups. If you love strategy games you can play one-handed in short bursts — this is your next addiction. Available in English, Bahasa Indonesia, and Japanese. Download Cosmic Swarm FREE and hold the line against the swarm!