BastionOS is an indie, released 28 April 2026 on Mac and PC (Microsoft Windows).
What BastionOS is
BastionOS was released in 2026. It is available on Mac and PC (Microsoft Windows).
The premise, in the publisher's words
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.
How it plays
Its themes are action. It is a single-player game with no multiplayer component.
What it launched against
BastionOS launched on 28 April 2026, within three weeks of Pragmata, Replaced, Forza Horizon 6 and Directive 8020.
Released around the same time: Pragmata, Replaced, Forza Horizon 6, Directive 8020.
Screenshots
All media
Quick answers
BastionOS — frequently asked questions
When did BastionOS come out?
BastionOS was released on 28 April 2026 for Mac and PC (Microsoft Windows).
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