Design and build intricate machines to perform alchemical processes in Opus Magnum, a puzzle simulation from Zachtronics. Use programmable arms, customizable tracks, and devices like Van Berlo's wheel or the Glyph of Animismus within the transmutation engine. Craft remedies, gemstones, weapons, and other items amid intrigues among the city's ancient Houses.
Tackle open-ended puzzles by creating the simplest, fastest, or most compact solutions, then share animated GIFs or compete globally. Integrate with Steam Workshop to craft and play user puzzles via the in-game editor. Unwind with Sigmar's Garden, a winnable alchemy solitaire minigame that sharpens focus for dedicated puzzle builders.
“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…
