OPUS: Echo of Starsong - Full Bloom Edition
All offers (8)
Compare the platform, region and delivery before you buy.
Standard Edition 2 offers · EU & Global
Special Edition 6 offers · EU & Global
- Opus: Echo of Starsong - Full Bloom Edition PC Steam CD KeyActivation keySteamGlobal€9.00+ payment feeView deal
OPUS: Echo of Starsong Full Bloom Edition Steam Key: GlobalActivation keySteamGlobal€9.93View deal
OPUS: Echo of Starsong Full Bloom Edition Steam Key: Europe & UKActivation keySteamEurope€9.93View deal- OPUS Echo of Starsong - Full Bloom Edition (Global) (PC / Mac) - Steam - Digital KeyActivation keySteamGlobal€11.55no Plus, no ProtectView deal
- OPUS: Echo of Starsong Full Bloom Edition EN GlobalActivation keySteamGlobal€11.56+ service feeView deal
- OPUS: Echo of Starsong - Full Bloom Edition (PC) Steam Key GLOBALActivation keySteamGlobal€11.84+ fee possibleView deal
Official store Steam · price for Germany
- Steam store pageDirect purchaseSteamGermany€24.50No feeView on Steam
You buy directly from the store. "+ service fee" or "+ payment fee" means the store adds a fee at checkout; you see the final price there before you pay. We may earn a commission when you buy through our links.
Best price over the last 32 days
- Lowest €11.1011 Oct 2026
- Highest €27.9523 Oct 2026
- Today €21.80
The cheapest EU or Global key per day across all compared stores; the dashed line is the Steam price.
Trailer & screenshots
Buy OPUS: Echo of Starsong - Full Bloom Edition key: current price comparison
Where is the OPUS: Echo of Starsong - Full Bloom Edition key cheapest?
The cheapest OPUS: Echo of Starsong - Full Bloom Edition key that activates in the EU currently costs €21.80 at Kinguin. Keyfinder compares 8 offers from 5 shops for this price. That is 11% less than the Steam price of €24.50. Prices are refreshed hourly; region, edition and any checkout fees are shown on each offer.
What was the lowest OPUS: Echo of Starsong - Full Bloom Edition key price in the last 32 days?
€11.10 on 11 Oct 2026, for the standard edition that activates in the EU. The highest daily low in that time was €27.95 on 23 Oct 2026; today the cheapest key costs €21.80.
Which OPUS: Echo of Starsong - Full Bloom Edition keys activate in the EU?
8 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 OPUS: Echo of Starsong - Full Bloom Edition 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 OPUS: Echo of Starsong - Full Bloom Edition 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 OPUS: Echo of Starsong - Full Bloom Edition
Echo of Starsong is a visual novel style adventure game. Eda, a girl who can hear mysterious sound waves known as starsong, crosses paths with a young man in search of their source. Together, they venture out to the heart of space to unravel an ancient myth.
- Developer
- SIGONO INC.
- Publisher
- SIGONO INC.
- Release date
- 1 Sept 2021
- Steam
- View on Steam




