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Sovereign Brain Empire

RPGFMVStory RichChoices MatterMultiple Endings77% positive on Steam
Mountain and Sea StudioReleased 21 Feb 2025
3 active offers across 3 stores

All offers (3)

Compare the platform, region and delivery before you buy.

Standard Edition 3 offers · EU & Global

  • Sovereign Brain Empire Steam Key (PC) GLOBALActivation key
    SteamGlobal
    Lowest price€3.50+ fee possible
    View deal
  • Sovereign Brain Empire PC Steam CD KeyActivation key
    SteamGlobal
    €3.90+ payment fee
    View deal
  • Sovereign Brain Empire Steam KeyActivation key
    SteamGlobal
    €4.77
    View deal

Official store Steam · price for Germany

  • Steam store pageDirect purchase
    SteamGermany
    €9.75€4.87No 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

€10.00€7.50€5.00€2.5011 Oct 202611 Nov 2026
  • Lowest €3.5011 Oct 2026
  • Highest €3.5011 Oct 2026
  • Today €3.50

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

Buy Sovereign Brain Empire key: current price comparison

Where is the Sovereign Brain Empire key cheapest?

The cheapest Sovereign Brain Empire key that activates in the EU currently costs €3.50 at Eneba. Keyfinder compares 3 offers from 3 shops for this price. That is 28% less than the Steam price of €4.87. Prices are refreshed hourly; region, edition and any checkout fees are shown on each offer.

What was the lowest Sovereign Brain Empire key price in the last 32 days?

€3.50 on 11 Oct 2026, for the standard edition that activates in the EU. The highest daily low in that time was €3.50 on 11 Oct 2026; today the cheapest key costs €3.50.

Which Sovereign Brain Empire keys activate in the EU?

3 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 Sovereign Brain Empire 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 Sovereign Brain Empire key from Eneba?

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 Eneba check covers who runs the shop, its fees and its regions.

Is Eneba legit? Read our check

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About Sovereign Brain Empire

“Who isn’t a baby anyway?”~You travelled to a parallel world governed by the Sovereign Brain AI. In SB Empire, you’re an adopted “one-year-old”, recognized as a "Monarch-level" prodigy! There will be beauties giving you a sheltered babyhood. Your brilliance and privileges will change their fates!

Developer
Mountain and Sea Studio
Publisher
Mountain and Sea Studio
Release date
21 Feb 2025
Steam
View on Steam