A Turing Complete 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 €10.91 (-47%) at Difmark, Steam Account format · Cheapest official key: €20.49 · 4 verified stores, 5 offers in stock · Updated 32min ago.
Turing Complete for PC starts at €10.91 at Difmark, 47% under the €20.49 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 €20.49 at Steam.
That €10.91 already includes the Gocdkeys coupon, so apply it at checkout or the store will show you a higher price.
Just 4 stores stock it, 5 offers in all, so there is little here to push the price either way.
That puts it 35% under its average of €16.79 since 2022, so today is a better entry point than most days of its life.
That €20.49 key is expensive for what it usually costs.
Worked out from 518 daily records of the Steam Key for Turing Complete across 4 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 Steam costs €9.58 more, but you redeem it on your own account and the game stays there for good. That is the difference between renting and buying.
The 3 Steam Gift offers are pricier than the key and leave more room for error, because they depend on the region and on Steam friendship.
3 of the 5 offers work on US — the Global ones plus the ones issued for your own region.
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