An EXD - Extra Dimensional 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 €1.84 (€1.92 with fees, -90%) at Difmark, Steam Account format · Cheapest official key: €3.49 (€3.78 with fees), 81% below the €19.49 (no fees) Steam price · 8 verified stores, 13 offers in stock · Updated 01h 17min ago.
Final prices with fees and discounts applied
EXD - Extra Dimensional for PC starts at €1.84 (€1.92 with fees) at Difmark, 90% under the €19.49 (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 €3.49 (€3.78 with fees) at G2A.
That €1.84 (€1.92 with fees) already includes the Gocdkeys coupon, so apply it at checkout or the store will show you a higher price.
With 13 offers across 8 stores there is enough competition for the price to move, so the gap between the cheapest and the rest is worth checking before you buy.
That puts it 61% under its average of €13.00 since 2026, so today is a better entry point than most days of its life.
That €3.49 (€3.78 with fees) key is at one of its best prices.
Worked out from 772 daily records of the Steam Key for EXD - Extra Dimensional across 6 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 G2A costs €1.65 (€1.86 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.
The 4 Steam Gift offers are pricier than the key and leave more room for error, because they depend on the region and on Steam friendship.
All 13 offers are Global, so the code redeems on any account no matter where it was created.
One listing is worth ignoring: the Steam gift that Kinguin has at €22.10 (€24.21 with fees) is more than 12 times the cheapest offer and is not what this game costs. The number to work from is €3.49 (€3.78 with fees) at G2A.
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