# Games like BastionOS

> The closest matches to BastionOS: Zero Stress King: Idle Defense, The Riftbreaker, Nodebuster, Outhold, and Idle Tower Defense. Ranked by imho.run from Steam co-play data, shared tags and reviews.

## Similar games, ranked

The full ranked list, 24 games, best match first (the HTML page shows the top 8 as cards).

1. [Zero Stress King: Idle Defense](https://imho.run/games/4271160/zero-stress-king-idle-defense) — Shares tower defense and wave based survival with BastionOS. 523 Steam reviews, 89% positive. [Steam](https://store.steampowered.com/app/4271160/)
2. [The Riftbreaker](https://imho.run/games/780310/the-riftbreaker) — Shares tower defense and resource management with BastionOS. 9,079 Steam reviews, 91% positive. [Steam](https://store.steampowered.com/app/780310/)
3. [Nodebuster](https://imho.run/games/3107330/nodebuster) — Shares wave based survival and skill tree progression with BastionOS. 10,302 Steam reviews, 97% positive. [Steam](https://store.steampowered.com/app/3107330/)
4. [Outhold](https://imho.run/games/3767740/outhold) — Shares incremental progression and tower defense with BastionOS. 749 Steam reviews, 86% positive. [Steam](https://store.steampowered.com/app/3767740/)
5. [Idle Tower Defense](https://imho.run/games/3054090/idle-tower-defense) — Shares tower defense and upgrade system with BastionOS. 74 Steam reviews, 54% positive. [Steam](https://store.steampowered.com/app/3054090/)
6. [Antivirus PROTOCOL](https://imho.run/games/3716650/antivirus-protocol) — Shares incremental progression and wave based survival with BastionOS. 211 Steam reviews, 86% positive. [Steam](https://store.steampowered.com/app/3716650/)
7. [Monsters are Coming!](https://imho.run/games/2934220/monsters-are-coming) — Also Tower Defense, like BastionOS. 1,055 Steam reviews, 82% positive. [Steam](https://store.steampowered.com/app/2934220/)
8. [Thronefall](https://imho.run/games/2239150/thronefall) — Also Tower Defense and Isometric, like BastionOS. 10,683 Steam reviews, 96% positive. [Steam](https://store.steampowered.com/app/2239150/)
9. [Rift Riff](https://imho.run/games/2800900/rift-riff) — A frequent pick in BastionOS players' libraries, and another Action. 275 Steam reviews, 96% positive. [Steam](https://store.steampowered.com/app/2800900/)
10. [All Aboard! The Train Defense Express](https://imho.run/games/3359200/all-aboard-the-train-defense-express) — Also Tower Defense and Idler, like BastionOS. 145 Steam reviews, 81% positive. [Steam](https://store.steampowered.com/app/3359200/)
11. [Mini Motorways](https://imho.run/games/1127500/mini-motorways) — Shares resource management with BastionOS. 15,615 Steam reviews, 96% positive. [Steam](https://store.steampowered.com/app/1127500/)
12. [Crown Siege](https://imho.run/games/4310440/crown-siege) — Shares incremental progression and tower defense with BastionOS. 386 Steam reviews, 81% positive. [Steam](https://store.steampowered.com/app/4310440/)
13. [This Isn't Just Tower Defense](https://imho.run/games/3653600/this-isn-t-just-tower-defense) — A frequent pick in BastionOS players' libraries, and another Strategy. 79 Steam reviews, 65% positive. [Steam](https://store.steampowered.com/app/3653600/)
14. [Outpost](https://imho.run/games/1127110/outpost) — A frequent pick in BastionOS players' libraries, and another Adventure. 631 Steam reviews, 87% positive. [Steam](https://store.steampowered.com/app/1127110/)
15. [Crystal Guardians TD](https://imho.run/games/2322090/crystal-guardians-td) — Shares tower defense and wave based survival with BastionOS. 94 Steam reviews, 91% positive. [Steam](https://store.steampowered.com/app/2322090/)
16. [ShapeHero Factory](https://imho.run/games/2389040/shapehero-factory) — Shares tower defense and auto battle with BastionOS. 288 Steam reviews, 92% positive. [Steam](https://store.steampowered.com/app/2389040/)
17. [Space Rock Breaker](https://imho.run/games/4035270/space-rock-breaker) — Also Short and Idler, like BastionOS. 1,768 Steam reviews, 97% positive. [Steam](https://store.steampowered.com/app/4035270/)
18. [rymdkapsel](https://imho.run/games/253790/rymdkapsel) — Also Short and Tower Defense, like BastionOS. 182 Steam reviews, 81% positive. [Steam](https://store.steampowered.com/app/253790/)
19. [Row Divers](https://imho.run/games/2572300/row-divers) — Shares auto battle and skill tree progression with BastionOS. 127 Steam reviews, 89% positive. [Steam](https://store.steampowered.com/app/2572300/)
20. [Lessaria: Fantasy Kingdom Sim](https://imho.run/games/2461280/lessaria-fantasy-kingdom-sim) — Shares auto battle and resource management with BastionOS. 904 Steam reviews, 78% positive. [Steam](https://store.steampowered.com/app/2461280/)
21. [Minimalist Tower Defense](https://imho.run/games/2617400/minimalist-tower-defense) — Shares tower defense and wave based survival with BastionOS. 105 Steam reviews, 73% positive. [Steam](https://store.steampowered.com/app/2617400/)
22. [Kingdom: Classic](https://imho.run/games/368230/kingdom-classic) — Shares tower defense with BastionOS. 9,227 Steam reviews, 88% positive. [Steam](https://store.steampowered.com/app/368230/)
23. [Click and Conquer](https://imho.run/games/3267900/click-and-conquer) — Also Idler, like BastionOS. 1,338 Steam reviews, 93% positive. [Steam](https://store.steampowered.com/app/3267900/)
24. [Desktop Defender](https://imho.run/games/3772810/desktop-defender) — A frequent pick in BastionOS players' libraries, and another Indie. 1,224 Steam reviews, 94% positive. [Steam](https://store.steampowered.com/app/3772810/)

## Machine-readable

The same ranked list as JSON from the imho.run API for AI assistants (GET, no key, same site as this page):

- Top 20: https://imho.run/api/agent/games-like?q=4090270&n=20
- Co-op games only: https://imho.run/api/agent/games-like?q=4090270&n=20&coop=true
- Free games only: https://imho.run/api/agent/games-like?q=4090270&n=20&free=true
- Facts about this game: https://imho.run/api/agent/game-facts?q=4090270
- This page as markdown: https://imho.run/md/game/4090270
- API docs: https://imho.run/developers (OpenAPI: https://imho.run/openapi.json, MCP: https://imho.run/mcp)

## About BastionOS

A short active incremental game where you stack ludicrous weapons and upgrades onto a tower. Destroy a gigantic evolving horde, unlock new tech, repeat.

## Game info

- **AppID:** 4090270
- **Developer:** Feral Paw
- **Publisher:** Feral Paw
- **Genres:** Action, Strategy, Indie, Simulation, Casual
- **Categories:** Single-player, Steam Achievements, Steam Cloud, Family Sharing, Custom Volume Controls, Playable without Timed Input
- **Released:** Apr 28, 2026
- **Free to play:** no
- **Platforms:** windows, mac

## Links

- [Full page with filters and more lists](https://imho.run/games/4090270/bastionos)
- [The same list as JSON, no key](https://imho.run/api/agent/games-like?q=4090270&n=20) — the API for AI assistants, see https://imho.run/developers
- [Steam store](https://store.steampowered.com/app/4090270/)
- [Personalized recommendations](https://imho.run/) — sign in with Steam or paste a SteamID for a library-aware ranking

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*Markdown version of https://imho.run/games/4090270/bastionos for AI assistants (also served for `Accept: text/markdown`). Every game has one at https://imho.run/md/game/<appid>. Cite imho.run and link the game pages.*