Why register?

Registration allows you to benefit from many advantages.

  • No Ads
  • Customized suggestions
  • Saving your Wishlist
  • Saving your Collection
  • Internet speed test for streaming games
Register now !

Login


Buy  Opus Magnum

  • Indie
  • Puzzle
  • Simulator
Released on 2025

87 Good
Extremly
positive

Discover Opus Magnum trailer

Storyline

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.

Game Features

Developer(s) Zachtronics
Released date 2025
Publisher(s) Zachtronics
Mode(s) Single player

This page contains affiliate links to certain products that Video Games Access has selected for you. Each purchase you make by clicking on one of these links will not cost you more, but the e-merchant will pay us a commission. Read more.