Mark of the Deep
All offers (22)
Compare the platform, region and delivery before you buy.
Standard Edition 10 offers · EU & Global
Mark of the Deep EU PC Steam CD KeyActivation keySteamEuropeLowest price€2.28+ payment feeView deal
Mark of the Deep (PC) Steam Key EUROPEActivation keySteamEurope€2.37+ fee possibleView deal- Mark of the Deep PC Steam CD Key Activation keySteamGlobal€2.40+ payment feeView deal
- Mark of the Deep Steam Key (PC) GLOBALActivation keySteamGlobal€2.54+ fee possibleView deal
Mark of the Deep (Global) (PC) - Steam - Digital KeyActivation keySteamGlobal€2.57no Plus, no ProtectView deal
Mark of the Deep (PC) Steam Key - GLOBALActivation keySteamGlobal€2.59+ service feeView deal- Mark of the Deep (Europe) (PC) - Steam - Digital KeyActivation keySteamEurope€2.67no Plus, no ProtectView deal
Mark of the Deep Steam Key: Europe & UKActivation keySteamEurope€3.31View deal- Mark of the Deep Steam Key: GlobalActivation keySteamGlobal€3.39View deal
Mark of the Deep PCActivation keySteamGlobal€7.79View deal
Deluxe Edition 11 offers · EU & Global
- Mark of the Deep Deluxe Edition PC Steam CD KeyActivation keySteamGlobal€2.29+ payment feeView deal
- Mark of the Deep Deluxe Edition (PC) Steam Key - GLOBALActivation keySteamGlobal€2.36+ service feeView deal
- Mark of the Deep - Deluxe Edition PCActivation keySteamGlobal€2.39View deal
- Mark of the Deep Deluxe Edition PC Steam CD Key (valid until March 2027)Activation keySteamGlobal€2.49+ payment feeView deal
- Mark of the Deep - Deluxe Edition (Global) (PC) - Steam - Digital KeyActivation keySteamGlobal€2.57no Plus, no ProtectView deal
- Mark of the Deep - Deluxe Edition Steam Key (PC) GLOBALActivation keySteamGlobal€2.57+ fee possibleView deal
- Mark of the Deep Deluxe Edition Steam Key: Europe & UKActivation keySteamEurope€3.28View deal
- Mark of the Deep Deluxe Edition Steam Key: GlobalActivation keySteamGlobal€3.28View deal
Official store Steam · price for Germany
Steam store pageDirect purchaseSteamGermany€19.50No feeView on Steam
Other regions 1 offer
Sold for Latin America, North America, Asia, the Middle East, Russia or an unspecified region. These keys usually cannot be activated from Germany.
- Mark of the Deep RoW PC Steam CD KeyActivation keySteamRegion unconfirmedConfirm at store before buying€7.14+ payment feeView deal
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 €2.2811 Oct 2026
- Highest €2.2811 Oct 2026
- Today €2.28
The cheapest EU or Global key per day across all compared stores; the dashed line is the Steam price.
Trailer & screenshots
Buy Mark of the Deep key: current price comparison
Where is the Mark of the Deep key cheapest?
The cheapest Mark of the Deep key that activates in the EU currently costs €2.28 at Kinguin. Keyfinder compares 22 offers from 7 shops for this price. That is 88% less than the Steam price of €19.50. Prices are refreshed hourly; region, edition and any checkout fees are shown on each offer.
What was the lowest Mark of the Deep key price in the last 32 days?
€2.28 on 11 Oct 2026, for the standard edition that activates in the EU. The highest daily low in that time was €2.28 on 11 Oct 2026; today the cheapest key costs €2.28.
Which Mark of the Deep keys activate in the EU?
21 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 Mark of the Deep 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 Mark of the Deep 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 Mark of the Deep
Shipwrecked on a myth-shrouded island, play as rookie pirate Marcus “Rookie” Ramsey and explore haunting biomes, face unforgiving combat, and unravel a deep-sea curse in search of your lost crew, the Angry Mermaids.
- Developer
- Mad Mimic
- Publisher
- Light Up Games
- Release date
- 24 Jan 2025
- Steam
- View on Steam