Buy Opus Magnum PC Key

Looking for a cheap Opus Magnum key? As of 24 Aug. 2026 the cheapest key costs C$17.50 at GameBoost. We compare 16 offers from 12 stores, spanning C$17.50 to C$37.60. In keyshops the lowest price is C$17.50, in official stores it starts at C$22.79. With this many sellers the gap between the extremes is often several times over, so picking the store matters more here than waiting for a sale. This game has been cheaper before, on 88% of the days we have data for. A price alert will let you know when the next drop comes. On PC you buy a key that you activate in Steam or another client, and this is the widest market we track, with more than a quarter of games carrying a keyshop offer.

Release: 07 Dec. 2017
Metacritic:
90 8.1
Steam:
Overwhelmingly Positive (5k)
Buy in Official Store:
C$22.79
Buy in Keyshops:
-37%
C$17.50
In keyshops, it was cheaper on 88% of days with data.
See price history

Official Stores (2)

DRM:
Microsoft Store
Opus Magnum
Windows
+4
22w ago
DRM:
Microsoft Store
Microsoft Store
C$22.79
Steam
Opus Magnum
Windows
+4
6w ago
DRM:
Steam
Steam
C$25.99

Keyshops (14)

DRM:
Steam
Steam
GameBoost
Opus Magnum
Windows
+4
19w ago
GameBoost
C$27.81 ~C$17.50
-37%
Opus Magnum Steam Key GLOBAL
5.0
Windows
+4
3h ago
DRM:
Steam
Eneba
C$31.38 ~C$26.80
-14%
-10% with XDD10copy
-10% with XDD10copy
Driffle
Opus Magnum (Global) (PC / Mac / Linux) - Steam - Digital Key
Windows
+4
5h ago
DRM:
Steam
Driffle
~C$27.22
-6% with XDDEALS6copy
-6% with XDDEALS6copy
G2A
Opus Magnum (PC) - Steam Key - GLOBAL
Windows
+4
1d ago
DRM:
Steam
G2A
C$30.22 C$27.80
-8%
-8% with G2A8XDDcopy
-8% with G2A8XDDcopy
G2A
Opus Magnum (PC) - Steam Gift - NORTH AMERICA
Windows
+4
15h ago
DRM:
Steam
G2A
C$30.53 C$28.08
-8%
-8% with G2A8XDDcopy
-8% with G2A8XDDcopy
CJS-CDKeys
Opus Magnum Steam Key (GLOBAL)
Windows
+4
2d ago
DRM:
Steam
CJS-CDKeys
C$31.46 ~C$28.25
-10%
Difmark
Opus Magnum (PC)
Windows
+4
3w ago
DRM:
Steam
Difmark
C$33.49 ~C$28.46
-15%
-15% with XDDEALScopy
-15% with XDDEALScopy

About Opus Magnum

Opus Magnum - about the game

Opus Magnum is an indie simulation puzzle game centered on alchemical engineering. Players take on the role of a talented alchemist who joins a powerful noble house and must navigate both intricate machinery and underlying political tensions. The core experience revolves around constructing physical machines that perform complex transmutations to produce items ranging from medicines to weapons.

Gameplay

The central loop involves designing and refining machines inside a transmutation engine. Components such as programmable arms and customizable tracks form the foundation of each build, while more specialized tools like Van Berlo's wheel and the Glyph of Animismus enable advanced operations. Machines must handle precise sequences of movement, rotation, and combination to complete alchemical formulas. Solutions can be iterated upon endlessly because the play area allows for creative arrangements that prioritize efficiency in space, speed, or part count. Visual feedback shows every mechanism in motion, turning successful designs into satisfying automated processes.

Story elements unfold across the campaign as the protagonist encounters intrigues within the ancient Houses. Alchemists hold significant influence in this setting, and the narrative highlights the risks and responsibilities that accompany their abilities. These plot threads provide context without interrupting the focus on machine construction.

Game Modes

The main campaign presents a series of structured challenges divided into chapters. Each puzzle requires the creation of a functional machine that fulfills a specific production goal. Players can tackle these in sequence or revisit them to improve existing solutions.

An optional solitaire minigame called Sigmar's Garden offers a different pace. This alchemy-themed card game provides a break from machine design while still tying into the game's thematic elements. Every session follows consistent rules that make completion possible with careful play.

Community features expand the experience through user-created content. A built-in editor supports the design of custom puzzles, which can be shared and played by others. Curated selections appear in a dedicated journal that highlights standout community work.

Optimization and Sharing

Competition comes from comparing solutions across multiple metrics. The game tracks performance in terms of compactness, cycle time, and component usage, encouraging repeated refinement. Players often export short animated recordings of their machines to demonstrate elegant arrangements. This focus on optimization appeals to those who enjoy iterative problem solving and logical planning.

Workshop integration allows direct access to a library of additional challenges beyond the official campaign. These range from simple exercises to highly complex scenarios that test advanced mechanical understanding. The system keeps the puzzle variety fresh long after the initial story content is completed.

Is It Worth Playing?

Opus Magnum suits players who appreciate deliberate, logic-driven puzzle experiences with room for personal creativity. The open-ended nature of the machine-building system rewards experimentation and repeated attempts at improvement. Those drawn to simulation-style construction tasks will find the physical component interactions engaging and the progression satisfying.

Reception among puzzle enthusiasts remains strong years after release, with many describing the title as one of the most approachable yet deep entries in its genre. The combination of campaign structure, optional minigame, and ongoing community content provides substantial playtime without requiring additional purchases. Availability on PC makes it accessible for anyone interested in methodical engineering challenges rather than fast-paced action or narrative-heavy adventures.

Overall the game delivers consistent value for its target audience through focused mechanics and flexible solution paths. Individuals who enjoy refining systems until they run perfectly will likely return to it multiple times.

Interface:
CzechGermanEnglishSpanish - Latin AmericaFrenchJapaneseKoreanPolishPortuguese - PortugalRussianTurkishUkrainianSimplified Chinese

Age rating

PEGI 12
Metacritic:
90 8.1
Steam:
Overwhelmingly Positive (5k)

Minimum:

  • Processor: 2.0 GHz
  • Memory: 4 GB RAM
  • Graphics: 1366 x 768
  • DirectX: Version 11
  • Storage: 600 MB available space

Recommended:

  • Processor: 2.0 GHz
  • Memory: 4 GB RAM
  • Graphics: 1920 x 1080
  • DirectX: Version 11
  • Storage: 600 MB available space

Minimum:

  • OS: macOS 10.9+
  • Processor: 2.0 GHz
  • Memory: 4 GB RAM
  • Graphics: 1366 x 768
  • Storage: 600 MB available space

Recommended:

  • OS: macOS 10.9+
  • Processor: 2.0 GHz
  • Memory: 4 GB RAM
  • Graphics: 1920 x 1080
  • Storage: 600 MB available space

Minimum:

  • OS: Ubuntu 16.04+, SteamOS
  • Processor: 2.0 GHz
  • Memory: 4 GB RAM
  • Graphics: OpenGL 3.0, 1366 x 768
  • Storage: 600 MB available space

Recommended:

  • OS: Ubuntu 16.04+, SteamOS
  • Processor: 2.0 GHz
  • Memory: 4 GB RAM
  • Graphics: 1920 x 1080
  • Storage: 600 MB available space
Historical low
Price history from official stores
C$12.99
Steam
1 months ago
Price history from keyshops
C$13.98
Kinguin
5 months ago

FAQ

9 questions

Before you start looking for a cheap Opus Magnum PC key, check the essentials. Developed by Zachtronics. Published by Zachtronics. PC released date: 07 Dec. 2017. Genres: Indie, Simulation. Categories: Family Sharing, Steam Workshop, Single-player, Steam Achievements, Steam Cloud, Includes level editor, Steam Leaderboards. Age rating: PEGI 12.

Q

Where to buy a cheap Opus Magnum Steam key or CD key?

Using our price comparison and verified discount codes, you can buy a Opus Magnum key for as low as C$17.50. This deal is available at GameBoost and is among the cheapest offers on the market. All keys listed on XD.deals are delivered digitally and eligible for instant download after payment. Prices already include processing fees and applied promo codes, so you always see the lowest Opus Magnum price on PC. Check the Opus Magnum price history to buy at the best moment.

As of our last update (we refresh Steam pricing multiple times a day), the Opus Magnum Steam price is C$25.99. You can save an extra ~6% by paying with a discounted Steam gift card.

Our price tracker covers both official retailers and key marketplaces, so you can find Opus Magnum on sale even outside seasonal promotions. We currently detect 16 active offers from official stores and keyshops. Check the table above, compare against the historical low, and set an alert so you never miss the next price drop.

Yes, Opus Magnum is available on GeForce NOW. You can stream the game on PCs, Macs, Chromebooks and mobile devices through NVIDIA's cloud gaming service - no high-end hardware required.

The current price is high against its own history: it was cheaper on 88% of days with data. We have recorded offers from 12 stores in total, and from 2 in the most recent reading. The price reached its historical low on only 5 days out of 189 days with data. The cheapest offer came most often from Kinguin: 49 of 189 days with data.

Yes. Opus Magnum has an official page on the Steam Store. You can also buy a Opus Magnum Steam key from third-party sellers. Our price comparison currently includes 14 offers with Steam DRM. Pick one to ensure your Opus Magnum download happens on Valve's platform.

Yes, with minor tweaks. Opus Magnum is Steam Deck Playable - it works after small adjustments like selecting a Proton version or using the touchscreen for tiny launcher text. You can play Opus Magnum on Steam Deck.

According to our data Opus Magnum is not currently available on PC Game Pass, EA Play or Ubisoft+. We are still filling in the catalogues of these services, so it is worth confirming the status at the source before you decide. If you are buying, XD.deals will help you find the lowest price.

No - XD.deals is not a store. We are a price-comparison service that tracks the best Opus Magnum deals across official stores and verified keyshops. Click "Go to Store" next to any offer and you will be redirected to the retailer's website to complete your purchase.

Best prices for Opus Magnum

1 GameBoost GameBoost Keyshop
-37% C$17.50
C$22.79
3 Steam Steam Official
C$25.99
4 Eneba Eneba Keyshop
-14% C$26.80
5 Driffle Driffle Keyshop
C$27.22

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