Opus Magnum is a Simulation game from Zachtronics with a 97% positive Steam review signal. Indie Lantern indexes it for players browsing by weird, single-player.

Game snapshot
- Developer
- Zachtronics
- Release year
- 2017
- Playtime
- Varies by player
- Price
- $9.99
- Review signal
- 97% positive
Screenshots





System requirements
PC
- Minimum
- Requires a 64-bit processor and operating system OS *: Windows Vista / 7 / 8 / 10 Processor: 2.0 GHz Memory: 4 GB RAM Graphics: 1366 x 768 DirectX: Version 11 Storage: 600 MB available space
- Recommended
- Requires a 64-bit processor and operating system OS *: Windows Vista / 7 / 8 / 10 Processor: 2.0 GHz Memory: 4 GB RAM Graphics: 1920 x 1080 DirectX: Version 11 Storage: 600 MB available space
macOS
- Minimum
- OS: macOS 10.9+ Processor: 2.0 GHz Memory: 4 GB RAM Graphics: 1366 x 768 Storage: 600 MB available space
- Recommended
- OS: macOS 10.9+ Processor: 2.0 GHz Memory: 4 GB RAM Graphics: 1920 x 1080 Storage: 600 MB available space
Linux
- Minimum
- OS: Ubuntu 16.04+, SteamOS Processor: 2.0 GHz Memory: 4 GB RAM Graphics: OpenGL 3.0, 1366 x 768 Storage: 600 MB available space
- Recommended
- OS: Ubuntu 16.04+, SteamOS Processor: 2.0 GHz Memory: 4 GB RAM Graphics: 1920 x 1080 Storage: 600 MB available space
From Steam reviews
Review notes
Opus Magnum is worth a closer look if you want automation, steampunk, emotional story, and strong atmosphere.
Best for players who want steampunk, emotional story, strong atmosphere, and automation.
automation
Play styleThe fun is in making systems run by themselves.
steampunk
SettingA clockwork, brass, or Victorian-industrial flavor shows up around the game.
emotional-story
ToneThe story is framed as affecting rather than just plot-heavy.
strong-atmosphere
ToneThe mood, place, and presentation carry a lot of the experience.
replayable
FitThe structure gives reasons to return rather than finish once.
Steam review snapshots
Der Artstyle und das Steampunk-Worldbuilding sind zudem bewundernswert und unter den besten zusammen mit Machinarium.Assembly programming puzzles in an alchemy-themed marble factory sandboxBuild mechanisms from moving arms, tell the arms what to do with a sequence of motions.That's most of the content, but a pleasant cozy vibe overallWhy it fits
Check it if you want simulation filtered by weird, single-player.
Who might skip it
Research further on Steam if you need verified accessibility details, exact playtime, or current system requirements.