Idle Defense - Star Bastion

Your station. Your fortress. Your last bastion. Hold the line, commander! Star Bastion is idle defense in deep space: alien waves swarm your station from every direction — your turrets fire automatically, YOU make the decisions. Spend scrap on damage? Faster cannons? Another turret? ⚡ THE LOOP THAT HOOKS YOU Fight → Die → Upgrade → Get FURTHER. Every defeat makes you stronger: earn coins and build permanent workshop upgrades. Each run, your bastion holds out longer. 🏰 WATCH YOUR FORTRESS GROW Buy extra turrets mid-battle and watch your station transform into a massive fortress — with up to 4 independently aiming cannons. ⚡ UNLEASH THE CHAIN LIGHTNING Every few seconds your station discharges a mighty bolt that jumps from enemy to enemy. Upgrade it until it fries entire swarms! 👾 6 ENEMY TYPES + MOTHERSHIP BOSSES Fast raiders, armored juggernauts, insect swarms — and every 10 waves a colossal hive mothership attacks. Defeat it for bonus diamonds! 🔧 WORKSHOP & SPECIAL UPGRADES 6 permanent workshop upgrades (armor, repair, lightning …) and 5 unlimited diamond specializations — there is ALWAYS a next goal. 🌙 YOUR STATION WORKS WHILE YOU SLEEP Offline earnings around the clock: come back and collect your coins — the better your workshop, the bigger the payout. 📴 PLAY OFFLINE No internet required — defend anywhere. Star Bastion is free to play. Optionally, watch a reward video for extras (double earnings, emergency repair with shield, bonus diamonds) — never mandatory. How many waves can YOU survive?