Opus Magnum

Cheapest right now: $9.99 USD at Steam (50% off). 3 stores compared, checked 3 Nov 2026.

Opus Magnum is the latest open-ended puzzle game from Zachtronics, the creators of SpaceChem, Infinifactory, and SHENZHEN I/O. Design and build machines that assemble potions, poisons, and more using the alchemical engineer’s most advanced tool: the transmutation engine!

Genres: Indie, Simulation

Platforms: Windows, macOS, Linux

Metacritic score: 90/100

Steam Deck: Playable. Valve rates it as working on Steam Deck, but it may need some extra effort to set up or to use.

Current prices for Opus Magnum (USD)
StorePriceDiscount
Steam$9.9950%
GOG$9.9950%
Humble Store$19.99—

Is it a good deal right now?

$9.99 USD at Steam is 50% off, a deep discount. We have no record low for Opus Magnum to compare it with. The regular price is $19.99, so $9.99 saves $10.00. GOG has it at the same price. The Steam discount ends on 9 November 2026 at 18:00 UTC.

Price history

There is no chart yet: we record a game's cheapest price each day from the first time it is looked at here, and a chart needs two days of prices. It appears on this page once we have them.

Screenshots

  • Opus Magnum screenshot 1
  • Opus Magnum screenshot 2
  • Opus Magnum screenshot 3
  • Opus Magnum screenshot 4
  • Opus Magnum screenshot 5

System requirements

Windows

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

As listed on the game's Steam page.

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