Opus Magnum key prices
The cheapest Opus Magnum key for EU buyers right now is €9.75 at Steam (Steam, Germany store). We compare 4 stores that sell to buyers in the EU.
Prices for EU buyers
| Store | Activation | Region | Price | Discount | Checked | |
|---|---|---|---|---|---|---|
| Steam Official store | Steam | Germany store | €9.75 | −50% | 11 Sep, 13:38 UTC | Go to store |
| Instant Gaming Key reseller | Steam | Global | €18.59 | 11 Sep, 13:37 UTC | Go to store | |
| GOG Official store | GOG | Germany store | €19.50 | 11 Sep, 12:17 UTC | Go to store | |
| Humble Store Official store | Not stated | Germany store | €19.99 | 11 Sep, 12:36 UTC | Go to store |
Marketplace and reseller prices are the lowest offer at the time of the check. On marketplaces the seller is a third party: check the seller's rating before buying.
Offers are sorted by price. Links to stores may be affiliate links; they never change the order. How we make money.
Keys for other regions
These keys are sold for other regions or the seller does not state a region. They may not activate on an account in the EU. Check the region on the store page before buying.
| Store | Activation | Region | Price | Discount | Checked | |
|---|---|---|---|---|---|---|
| Kinguin Marketplace | Steam | Region not stated | €17.62 | 11 Sep, 13:36 UTC | Go to store |
Official prices in other countries
Steam and GOG set their own price for each country. Which one you pay depends on your account and location.
| Store | Country | Price | In euros |
|---|---|---|---|
| GOG | Hungary | 5190.00 HUF | ≈ €14.23 |
| GOG | Romania | 76.65 RON | ≈ €14.59 |
| GOG | United States | $19.99 | ≈ €17.21 |
| GOG | Czechia | 427.00 CZK | ≈ €17.61 |
| GOG | Sweden | 213.00 SEK | ≈ €19.02 |
| GOG | Denmark | 145.20 DKK | ≈ €19.42 |
| GOG | United Kingdom | £16.75 | ≈ €19.50 |
| GOG | Norway | 220.00 NOK | ≈ €20.44 |
| GOG | Poland | 91.99 PLN | ≈ €21.28 |
| GOG | Switzerland | 21.99 CHF | ≈ €23.31 |
| Steam | United States | $9.99 | ≈ €8.60 |
| Steam | United Kingdom | £8.37 | ≈ €9.74 |
| Steam | Norway | 110.00 NOK | ≈ €10.22 |
| Steam | Poland | 45.99 PLN | ≈ €10.64 |
| Steam | Switzerland | 10.99 CHF | ≈ €11.65 |
Price history
We started tracking Opus Magnum on 10 Sep 2026. The price chart appears after two weeks of data.
Lowest price we have recorded for EU buyers: €9.75 at Steam on 11 Sep 2026.