Opus Magnum cover

Opus Magnum

Critic score3 critics
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First release
Dec 07, 2017
Publisher
Zachtronics
Genres
Indie, Simulator, Puzzle · Sandbox, Fantasy, Science fiction
Platforms
PC (Microsoft Windows), Mac, Xbox One, Linux

Master the intricate, physical machinery of the transmutation engine— the alchemical engineer’s most advanced tool— and use it to create vital remedies, precious gemstones, deadly weapons, and more. Design Machines - Design and build machines that carry out alchemical processes using a variety of components. Open-Ended Puzzles - Compete against your friends and the world to build the simplest, fastest, and most compact solutions. Export animated GIFs to show them off. Steam Workshop - Make and share your own puzzles with full Steam Workshop integration and an easy-to-use puzzle editor. Solitaire Minigame - Take a break with Sigmar’s Garden, an original alchemy-based solitaire game.

Also known as Lightning.exe

Attributes

No Attributes added.

Details

Storyline, release dates, time to beat, age ratings, modes, links, keywords

Storyline
“It is not an exaggeration to say that without alchemical engineering, civilization would not exist.” Hailed as the most promising alchemist of his generation, Anataeus Vaya has just accepted a position as Head Alchemist of House Van Tassen, the oldest and richest of the city’s ancient Houses. But dangers lurk behind the family’s opulent facade, and alchemy alone may not solve every problem.Read more

“It is not an exaggeration to say that without alchemical engineering, civilization would not exist.” Hailed as the most promising alchemist of his generation, Anataeus Vaya has just accepted a position as Head Alchemist of House Van Tassen, the oldest and richest of the city’s ancient Houses. But dangers lurk behind the family’s opulent facade, and alchemy alone may not solve every problem.

Release dates
PC (Microsoft Windows)
Dec 07, 2017
Mac
Dec 07, 2017
Linux
Dec 07, 2017
All 4 release dates
Xbox One
Jun 09, 2019
Time to beatIGDB · recorded
Main Story
16h
Main + Extras
27h
Completionist
44h
Game modes
Single player
Perspective
Bird view / Isometric
Where to buy
Keywords
casual, 2d, difficult, steampunk, programming
… All 15, simulation, building, great soundtrack, trophy system, trophies, brain training, automation, hex grid, previously on - pc gamepass, previously on - origin access

At a Glance

Critic Score
92
Main Story (IGDB)
16h
Main + Extras (IGDB)
27h
Completionist (IGDB)
44h
OverviewHow it playsMediaCommunityBehind the gameRelated

Overview

Steam review summary

Steam users rate this Overwhelmingly Positive, 6,056 reviews in all languages, recorded 16 October 2026

Valve's summary of Steam user reviews. Valve counts only reviews from purchases on Steam, not key activations, and leaves out review periods it has marked as off-topic. It isn't part of the CritScore score.

Review summary: SteamSteam data provided via the Steam Web API (opens in a new tab)Not affiliated with Valve →

About storefront and compatibility information

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