Buy Opus Magnum Steam Key
Opus Magnum Steam Key: compare prices from 15 offers (October 2026)
An Opus Magnum Steam Key — also known as a CD Key or digital code — is the official activation code you redeem on Steam and keep in your library permanently. From €11.60 (€11.89 with fees) at G2A · 10 verified stores, 15 offers in stock · Updated 28min ago.
Steam Key
Prices change depending on the selected payment method.
Final prices with fees
How much does Opus Magnum for PC cost right now?
Opus Magnum for PC starts at €11.60 (€11.89 with fees) at G2A, a Steam key.
That €11.60 (€11.89 with fees) already includes the GCKG2AM4E7H coupon, so apply it at checkout or the store will show you a higher price.
The cheapest one listed, €9.99 (no fees) at Instant Gaming, is out of stock. The cheapest you can actually buy today is €11.60 (€11.89 with fees) at G2A.
With 15 offers across 10 stores there is enough competition for the price to move, so the gap between the cheapest and the rest is worth checking before you buy.
Steam Key
Steam Gift
Is it worth buying the Steam Key for Opus Magnum now or waiting?
That €11.60 (€11.89 with fees) key is expensive for what it usually costs.
- Those €11.60 (€11.89 with fees) are 200% above what it usually costs, measured on the store price.
- 9 stores sell the Steam Key at the same time, and with that much competition the price moves almost daily.
- Across the 1,256 days we have tracked it, it has only been pricier than today on 0 days. The lowest it has ever cost is €1.02.
Worked out from 3,078 daily records of the Steam Key for Opus Magnum across 14 stores. See the full price history.
The price does not include each store's payment fees. The percentage is measured on the store price, without coupons, because that is how we record the history. The analysis only counts Key offers. Shared accounts, Steam Gift and physical editions stay out, because they are not the same product and their prices move differently.
Which Opus Magnum format should you buy?
By format: Steam Key from €11.60 (€11.89 with fees) and Steam Gift from €16.51 (€16.80 with fees).
Can you activate Opus Magnum in US?
12 of the 15 offers work on US — the Global ones plus the ones issued for your own region.
Most common FAQs when buying Opus Magnum for PC in digital format:
Other stores may take 30–40 minutes depending on game availability. On release days, delivery times may be slightly longer.
If you notice an unusually long delay, contact the store or us, and we’ll resolve it as quickly as possible.
There have been occasions when those services were overwhelmed, which is why we also offer 24/7 customer support to help resolve any issues or questions.
In any case, we always offer a 100% guarantee, so you won’t have any problems, and if you do, we’ll resolve them as soon as possible.
Need more help? Use our FAQs.
Opus Magnum
Is it worth it?
- 5.0/5GoCDKeys users1 ratings →
Is it alive?
- Watching now on Twitch
- Live channels
What the press says
Opus Magnum is a collection of brilliant puzzles that I want to endlessly replay and re-solve, subtly encouraging my creativity as I hunt for better... Read more
About the game
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