How many people own Opus Magnum?

200,000–500,000. Estimated band from SteamSpy, not a sales figure.

Player counts

How many people play Opus Magnum?

255

Playing right now

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.

We have been measuring Opus Magnum hourly since 8 August 2026. We do not backfill numbers from before that.

Playing right now: 255
Peak since we started tracking: 587
Estimated owners: 200,000–500,000 est.

Estimated band from SteamSpy, not a sales figure.

Questions and answers

How many people play Opus Magnum?: 255 (playing right now)
What is the peak player count for Opus Magnum?: 587
How many people own Opus Magnum?: 200,000–500,000. Estimated band from SteamSpy, not a sales figure.

Opus Magnum