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Below the Surface:Assassin's Prison

AdventureWalking SimulatorPuzzleExplorationImmersive Sim100% positive on Steam
QZQ StudioReleased 19 May 2023
4 active offers across 4 stores

All offers (4)

Compare the platform, region and delivery before you buy.

Standard Edition 4 offers · EU & Global

  • Below the Surface: Assassin's Prison PC Steam CD KeyActivation key
    SteamGlobal
    Lowest price€0.28+ payment fee
    View deal
  • Below the Surface: Assassin's Prison (PC) Steam Key - GLOBALActivation key
    SteamGlobal
    €0.30+ service fee
    View deal
  • Below the Surface: Assassin's Prison ZH GlobalActivation key
    SteamGlobal
    €0.49+ service fee
    View deal
  • Below the Surface: Assassin's Prison Steam KeyActivation key
    SteamGlobal
    €1.42
    View deal

Official store Steam · price for Germany

  • Steam store pageDirect purchase
    SteamGermany
    €0.99No fee
    View 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

€1.00€0.75€0.50€0.2511 Oct 202611 Nov 2026
  • Lowest €0.2811 Oct 2026
  • Highest €0.2811 Oct 2026
  • Today €0.28

The cheapest EU or Global key per day across all compared stores; the dashed line is the Steam price.

Buy Below the Surface:Assassin's Prison key: current price comparison

Where is the Below the Surface:Assassin's Prison key cheapest?

The cheapest Below the Surface:Assassin's Prison key that activates in the EU currently costs €0.28 at Kinguin. Keyfinder compares 4 offers from 4 shops for this price. That is 72% less than the Steam price of €0.99. Prices are refreshed hourly; region, edition and any checkout fees are shown on each offer.

What was the lowest Below the Surface:Assassin's Prison key price in the last 32 days?

€0.28 on 11 Oct 2026, for the standard edition that activates in the EU. The highest daily low in that time was €0.28 on 11 Oct 2026; today the cheapest key costs €0.28.

Which Below the Surface:Assassin's Prison keys activate in the EU?

4 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.

What a game key is and how to read an offer

How do I activate the Below the Surface:Assassin's Prison key?

The cheapest key activates on Steam. You redeem it there with the code the shop sends you after you pay.

How to redeem a Steam key

Is it safe to buy a Below the Surface:Assassin's Prison 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.

Is Kinguin legit? Read our check

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About Below the Surface:Assassin's Prison

一款悬疑解谜的探案游戏,您将扮演负责案件的警探Chen,在犯罪现场搜索物证,利用关联系统层层推理,直到找到案件的真相。当然游戏中还有层层机关需要破解。真相只有一个,速来破案。

Developer
QZQ Studio
Publisher
QZQ Studio
Release date
19 May 2023
Steam
View on Steam