Opus Magnum
2017Opus Magnum is the latest open-ended puzzle game from Zachtronics, the creators of SpaceChem, Infinifactory, and SHENZHEN I/O. Design and build machines that assemble potions, poisons, and more using the alchemical engineer’s most advanced tool: the transmutation engine!
Steam reviews
Metacritic
90/100Released
Dec 7, 2017
Platforms
Windows, Mac, Linux
Store
Steam pagePrices shown in USD. Your checkout total will reflect regional pricing in your local currency.
Gift on Steam
Steam
Historical low: $6.79
How to gift on Steam
- Click "Add to Cart" on Steam
- At checkout, select "Purchase as a gift"
- Choose your friend from your Steam friends list
- Complete the purchase and the game goes straight to their library
Regional pricing note: Steam may restrict gifting if prices differ significantly between your country and your friend's. If you see a restriction, buying a key from a third-party store below is usually the easiest workaround.
Learn moreBuy a Steam key
Purchase from these stores, receive a key code, and share it with your friend to redeem on Steam.
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How to redeem a Steam key
- Buy from the store (you'll get a code by email or on-screen)
- Send the code to your friend however you like
- They open Steam, click their username, and select "Redeem a Steam Product Key"
- The game is added to their library instantly
Some keys are region-locked and can only be redeemed in certain countries. Check the store listing before buying if your friend is in a different region.
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