Skip to content
keyfinder.
Review us onTrustpilot

Family Mysteries: Poisonous Promises

AdventureCasualHidden ObjectDetectiveMystery80% positive on Steam
Brave Giant LTDReleased 26 Mar 2020
7 active offers across 6 stores

All offers (7)

Compare the platform, region and delivery before you buy.

Standard Edition 7 offers · EU & Global

  • Family Mysteries: Poisonous Promises PC Steam CD KeyActivation key
    SteamGlobal
    Lowest price€8.25+ payment fee
    View deal
  • Family Mysteries: Poisonous Promises GlobalActivation key
    SteamGlobal
    €8.49+ service fee
    View deal
  • Family Mysteries: Poisonous Promises (PC) Steam Key - GLOBALActivation key
    SteamGlobal
    €8.51+ service fee
    View deal
  • Family Mysteries: Poisonous Promises Steam Key GLOBALActivation key
    SteamGlobal
    €8.79+ fee possible
    View deal
  • Family Mysteries Poisonous Promises (Global) (PC / Mac / Linux) - Steam - Digital KeyActivation key
    SteamGlobal
    €8.79no Plus, no Protect
    View deal
  • Family Mysteries Poisonous Promises Steam Key: GlobalActivation key
    SteamGlobal
    €9.31
    View deal
  • Family Mysteries Poisonous Promises Steam Key: Europe & UKActivation key
    SteamEurope
    €18.29
    View deal

Official store Steam · price for Germany

  • Steam store pageDirect purchase
    SteamGermany
    €14.79No 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

€15.00€12.50€10.00€7.5011 Oct 202611 Nov 2026
  • Lowest €8.2511 Oct 2026
  • Highest €8.2511 Oct 2026
  • Today €8.25

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

Buy Family Mysteries: Poisonous Promises key: current price comparison

Where is the Family Mysteries: Poisonous Promises key cheapest?

The cheapest Family Mysteries: Poisonous Promises key that activates in the EU currently costs €8.25 at Kinguin. Keyfinder compares 7 offers from 6 shops for this price. That is 44% less than the Steam price of €14.79. Prices are refreshed hourly; region, edition and any checkout fees are shown on each offer.

What was the lowest Family Mysteries: Poisonous Promises key price in the last 32 days?

€8.25 on 11 Oct 2026, for the standard edition that activates in the EU. The highest daily low in that time was €8.25 on 11 Oct 2026; today the cheapest key costs €8.25.

Which Family Mysteries: Poisonous Promises keys activate in the EU?

7 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 Family Mysteries: Poisonous Promises 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 Family Mysteries: Poisonous Promises 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

Games like Family Mysteries: Poisonous Promises

More games by Brave Giant LTD and games in similar genres.

About Family Mysteries: Poisonous Promises

Entertaining plunge into the world of debauched elites, alluring women and corrupted cops, where power is the ultimate currency. This is a thrilling introduction to the brand new Hidden Object Game series in the tradition of best police dramas.

Developer
Brave Giant LTD
Publisher
Artifex Mundi
Release date
26 Mar 2020
Steam
View on Steam