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Opus Magnum

Design and build machines that carry out alchemical processes.

Opus Magnum is an indie simulation game made by Zachtronics, the creators of SpaceChem, Infinifactory, and SHENZHEN I/O. 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. 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.

Game Info

Release Date: 7 Dec, 2017
Developer: Zachtronics
Publisher: Zachtronics
Genre: Indie, Simulation
Rating: 82/100

Website of Opus Magnum

Opus Magnum

System Requirements

Minimum Specifications


OS: Win 7
CPU: 2.0 GHz
RAM: 4 GB
GRAPHIC: 1366 x 768
HDD: 0.6 GB

Recommended Specifications


OS: Win 10
CPU: 2.0 GHz
RAM: 4 GB
GRAPHIC: 1920 x 1080
HDD: 0.6 GB

Game Features:

  • 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.
  • 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!
  • 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.
  • 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…

Opus Magnum Trailer

Opus Magnum Review

8.2 Total Score
Very Good

Opus Magnum is the latest open-ended puzzle game from Zachtronics. It has every bit of the Zachtronics competitive puzzle-optimizing fun we've come to know and love, but the infinite play area means that merely solving a puzzle is always reasonably easy. If you get joy out of optimizing and increasing efficiency for its own sake you'll love this game. There's little else to do, and the game could do more to give you a reason to keep refining your contraptions. But the actual creation of your little machines is sublime and extremely satisfying to watch when it finally works. As with all Zachtronics puzzlers, getting a solution to each puzzle is only the first step. The real fun begins when you try and optimise your solution. Each solution is scored on three key metrics. Cost, Time to Run, and Area. If you loved Space Chem and Infinifactory, then you WILL love this game.

Very Good
8.2
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