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The Butterfly Sign

AdventureIndieActionDetectiveThriller69% positive on Steam
Quantum Phoenix StudioReleased 14 Dec 2016
6 active offers across 6 stores

All offers (6)

Compare the platform, region and delivery before you buy.

Standard Edition 6 offers · EU & Global

  • The Butterfly Sign Steam CD KeyActivation key
    SteamGlobal
    Lowest price€0.53+ payment fee
    View deal
  • The Butterfly Sign (PC) Steam Key - GLOBALActivation key
    SteamGlobal
    €0.59+ service fee
    View deal
  • The Butterfly Sign EN/DE/FR/RU/ES GlobalActivation key
    SteamGlobal
    €0.70+ service fee
    View deal
  • The Butterfly Sign Steam Key GLOBALActivation key
    SteamGlobal
    €0.74+ fee possible
    View deal
  • The Butterfly Sign Steam Key GLOBALActivation key
    SteamGlobal
    €1.22+ service fee
    View deal
  • The Butterfly Sign Steam KeyActivation key
    SteamGlobal
    €1.65
    View deal

Official store Steam · price for Germany

  • Steam store pageDirect purchase
    SteamGermany
    €4.99No 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

€6.00€4.00€2.00€0.0011 Oct 202611 Nov 2026
  • Lowest €0.5311 Oct 2026
  • Highest €0.5311 Oct 2026
  • Today €0.53

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

Buy The Butterfly Sign key: current price comparison

Where is The Butterfly Sign key cheapest?

The cheapest The Butterfly Sign key that activates in the EU currently costs €0.53 at Kinguin. Keyfinder compares 6 offers from 6 shops for this price. That is 89% less than the Steam price of €4.99. Prices are refreshed hourly; region, edition and any checkout fees are shown on each offer.

What was the lowest The Butterfly Sign key price in the last 32 days?

€0.53 on 11 Oct 2026, for the standard edition that activates in the EU. The highest daily low in that time was €0.53 on 11 Oct 2026; today the cheapest key costs €0.53.

Which The Butterfly Sign keys activate in the EU?

6 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 Butterfly Sign 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 The Butterfly Sign 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 The Butterfly Sign

The Butterfly Sign is a detective story putting players into the role of the survivor of a disastrous incident. The protagonist takes an experimental drug which immerses him in the depths of his mind. In his memories, he will discover the ones responsible for the disaster, little by little, step by step…

Developer
Quantum Phoenix Studio
Publisher
Quantum Phoenix Studio
Release date
14 Dec 2016
Steam
View on Steam