About Opus Magnum

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.

PURCHASE ON STEAM

PURCHASE ON GOG

PURCHASE ON HUMBLE

DISCUSS ON REDDIT

  • 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.
  • 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 - Take a break with Sigmar’s Garden, an original alchemy-based solitaire game.