Everbastion
An idle tower defense where your castle fights on its own: archers, cannons, lasers and traps fire without you. Sweep the hordes with elemental auras, bring down bosses to grow your fortress for good, and never lose your progress.
- Release date
- November 3, 2026
- Platforms
- Windows
- Developer
- Osiris Atlas
- Publisher
- Osiris Atlas

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About Everbastion
One castle. One plain. And everything you choose to draw to it. Everbastion is an idle tower defense that fits on a single screen. Your castle sits at the centre, monsters come from every direction, and you build nothing during the fight: you watch what you built between battles hold the line. Then you reopen the upgrade screen, spend your gold, and go again, stronger. Your castle fights. You decide how. Four tower types (archers, cannons, lasers and shockwaves) that aim and fire on their own.
Allies (archers and hunters) that march out of the castle and patrol the whole map. Traps: stone spikes around the rampart and mines launched at random across the plain. Every defensive ring nests geometrically inside the one before it. When there is no room left, the tower simply does not exist: the real geometry of your castle decides what you are allowed to build. Your cursor is your weaponThere is nothing to click. Your cursor is a burning halo that acts on its own, continuously, and every element you unlock stacks on top of the others instead of replacing them.
Fire: anything you sweep over catches alight, and burning bodies eventually detonate into their neighbours. Ice: a blue aura slows everything that enters it. Lightning: chains arc out on their own and leap from monster to monster. Wind: a steady gale drags attackers off their course. Earth: shockwaves sweep the ground on a beat.…
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