Duet
All offers (6)
Compare the platform, region and delivery before you buy.
Standard Edition 6 offers · EU & Global
Duet Steam CD KeyActivation keySteamGlobalLowest price€0.59+ payment feeView deal
Duet GlobalActivation keySteamGlobal€0.78+ service feeView deal
Duet (PC) Steam Key - GLOBALActivation keySteamGlobal€0.78+ service feeView deal
Duet (Global) (PC / Mac / Linux) - Steam - Digital KeyActivation keySteamGlobal€0.88no Plus, no ProtectView deal
Duet Steam Key GLOBALActivation keySteamGlobal€1.31+ service feeView deal- Duet Steam Gift GLOBALSteam giftSteamGlobal€5.42+ service feeView deal
Official store Steam · price for Germany
Steam store pageDirect purchaseSteamGermany€3.99No feeView on Steam
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Best price over the last 32 days
- Lowest €0.5912 Oct 2026
- Highest €0.6911 Oct 2026
- Today €0.59
The cheapest EU or Global key per day across all compared stores; the dashed line is the Steam price.
Trailer & screenshots
Buy Duet key: current price comparison
Where is the Duet key cheapest?
The cheapest Duet key that activates in the EU currently costs €0.59 at Kinguin. Keyfinder compares 6 offers from 5 shops for this price. That is 85% less than the Steam price of €3.99. Prices are refreshed hourly; region, edition and any checkout fees are shown on each offer.
What was the lowest Duet key price in the last 32 days?
€0.59 on 12 Oct 2026, for the standard edition that activates in the EU. The highest daily low in that time was €0.69 on 11 Oct 2026; today the cheapest key costs €0.59.
Which Duet keys activate in the EU?
6 offers are marked EU or Global and activate in Germany and the rest of the EU. Keys for other regions are listed separately. The keys on offer are for Steam.
How do I activate the Duet key?
The cheapest key activates on Steam. You redeem it there with the code the shop sends you after you pay.
Is it safe to buy a Duet key from Kinguin?
Before you pay, check three things on the offer: the region (EU or Global for Germany), the edition and any fee added at checkout. Keyfinder shows all three on every offer. Our Kinguin check covers who runs the shop, its fees and its regions.
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About Duet
Elegant and minimal, Duet asks players simply to navigate two orbiting spheres past an increasingly complex maze of falling obstacles. As the difficulty increases, the tension mounts, and a peculiar narrative unfolds.
- Developer
- Kumobius
- Publisher
- Kumobius
- Release date
- 4 Aug 2015
- Steam
- View on Steam