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Description

Steam Store Description (from Ad Blurbs)

“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.



Opus Magnum is the latest open-ended puzzle game from Zachtronics, the creators of SpaceChem, Infinifactory, TIS-100, and SHENZHEN I/O. 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 including programmable arms, customizable tracks, and more esoteric devices like Van Berlo’s wheel and the Glyph of Animismus.

Open-Ended Puzzles - Compete against your friends and the world to build the simplest, fastest, and most compact solutions to the game’s challenges. Export animated GIFs of your elegant designs to show them off.

Steam Workshop - Make and share your own puzzles with full Steam Workshop integration and an easy-to-use puzzle editor. Play the top user-submitted puzzles in the prestigious Journal of Alchemical Engineering, curated by Zachtronics!

Rich Story - Intrigues and dark plots swirl around the city’s ancient Houses. Alchemists, who hold the power to create almost anything known to science, are highly sought— and highly dangerous.

Solitaire Minigame - Alchemical engineering takes focus and concentration. Take a break with Sigmar’s Garden, an original alchemy-based solitaire game. Every game is winnable, but not every game will be won…

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Promo Images

Opus Magnum Screenshot
Opus Magnum Screenshot
Opus Magnum Screenshot
Opus Magnum Screenshot

Alternate Titles

  • "Project Lightning" -- working title
  • "オーパス・マグナム" -- Japanese spelling

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User Reviews

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Critic Reviews

IGN Windows Dec 13, 2017 9.5 out of 10 95
PC Gamer Windows Dec 20, 2017 91 out of 100 91
Gamekult Windows Jan 07, 2018 9 out of 10 90
4Players.de Windows Dec 15, 2017 86 out of 100 86

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Contributed to by ryanbus84 (31972) and Matthew Burns (319)