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BastionOS

ConfirmedApr 28, 2026· Released

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Official site Steam

Not out yet. Links go to store / wishlist pages, not checkout.

When does BastionOS come out?

BastionOS released on Apr 28, 2026 on PC, Mac.

About

BastionOS is a chill active incremental game where you command a military terminal to stack ludicrous weapons and upgrades onto a lone tower facing an endless machine army. Destroy a gigantic evolving horde, get destroyed, unlock new tech, repeat, and get strong enough to survive the next level.