An Extra Coin 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 €3.35 (€3.50 with fees, -51%) at Difmark, Steam Account format · Cheapest official key: €4.85 (€5.55 with fees), 23% below the €7.18 (no fees) Steam price · 3 verified stores, 3 offers in stock · Updated 08h 50min ago.
Extra Coin for PC starts at €3.35 (€3.50 with fees) at Difmark, 51% under the €7.18 (no fees) of the official store — but that is a shared account, not a key of your own. If you want a key tied to your own account, the cheapest is €4.85 (€5.55 with fees) at Kinguin.
That €3.35 (€3.50 with fees) already includes the Gocdkeys coupon, so apply it at checkout or the store will show you a higher price.
Only 3 offers across 3 stores carry it, and thin supply means the price barely moves.
It is €0.20 away from its all-time low (€4.65, back in May 2025).
That €4.85 (€5.55 with fees) key is at one of its best prices.
Worked out from 479 daily records of the Steam Key for Extra Coin across 2 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.
With the shared account at Difmark you log into an account that already owns the game: it is the cheapest route, but it never becomes yours and the seller keeps the credentials. If they ever lose or change them, you lose access.
The key at Kinguin costs €1.50 (€2.05 with fees) more, but you redeem it on your own account and the game stays there for good. That is the difference between renting and buying.
All 3 offers are Global, so the code redeems on any account no matter where it was created.
Extra Coin explores a tale where you have to choose between reality or a dream. It tackles some heavy themes, but it encapsulates them well... Read more
Extra Coin is a heartfelt little tale set over a gorgeously colourful video gamey backdrop, and offers an addicting duelling game system that you can... Read more
In its coming and going of quotes and pop inspirations, Extra Coin flows for a variable number of hours. Read more
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