Artwork for BastionOS

BastionOS

April 28, 2026

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 Long To Beat

4h

Main

4h

Extras

4h

Complete

4h

All Styles

Developers:

Publishers:

Themes:

Action

Game Modes:

Single player

Where to buy:

Additional Links:

More at:

IGDB