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Outpost: Infinity Siege

Robots3DTower DefenseBase BuildingFPS65% positive on Steam
Team RangerReleased 26 Mar 2024
26 active offers across 6 stores

All offers (26)

Compare the platform, region and delivery before you buy.

Delivery
Edition

Standard Edition 15 offers · EU & Global

  • Outpost Infinity Siege (Global) (PC) - Steam - Digital KeyActivation key
    SteamGlobal
    Lowest price€4.67no Plus, no Protect
    View deal
  • Outpost: Infinity Siege Steam Key: GlobalActivation key
    SteamGlobal
    €5.60
    View deal
  • Outpost: Infinity Siege (PC) Steam Key - EUActivation key
    SteamEurope
    €6.90+ service fee
    View deal
  • Outpost: Infinity Siege (PC) Steam Key - GLOBALActivation key
    SteamGlobal
    €6.90+ service fee
    View deal
  • Outpost: Infinity Siege EN/DE/FR/JA/KO/ZH/ZH GlobalActivation key
    SteamGlobal
    €7.10+ service fee
    View deal
  • Outpost: Infinity Siege PC Steam CD KeyActivation key
    SteamGlobal
    €7.16+ payment fee
    View deal
  • Outpost: Infinity Siege (PC) Steam Key GLOBALActivation key
    SteamGlobal
    €7.40+ fee possible
    View deal
  • Outpost Infinity Siege (Europe) (PC) - Steam - Digital KeyActivation key
    SteamEurope
    €7.61no Plus, no Protect
    View deal

Special Edition 11 offers · EU & Global

  • Outpost: Infinity Siege Vanguard Edition Steam Key: GlobalActivation key
    SteamGlobal
    €10.29
    View deal
  • Outpost: Infinity Siege Vanguard Edition (PC) Steam Key - GLOBALActivation key
    SteamGlobal
    €10.50+ service fee
    View deal
  • Outpost: Infinity Siege Vanguard Edition Steam Key: Europe & UKActivation key
    SteamEurope
    €10.59
    View deal
  • Outpost: Infinity Siege: Vanguard Edition Steam CD KeyActivation key
    SteamGlobal
    €10.97+ payment fee
    View deal
  • Outpost: Infinity Siege Vanguard Edition EN/DE/FR/JA/KO/ZH/ZH GlobalActivation key
    SteamGlobal
    €11.14+ service fee
    View deal
  • Outpost: Infinity Siege Vanguard Edition (PC) Steam Key GLOBALActivation key
    SteamGlobal
    €11.25+ fee possible
    View deal
  • Outpost Infinity Siege Vanguard Edition (Global) (PC) - Steam - Digital KeyActivation key
    SteamGlobal
    €11.36no Plus, no Protect
    View deal
  • Outpost: Infinity Siege Vanguard Edition (PC) Steam Key EUROPEActivation key
    SteamEurope
    €13.02+ fee possible
    View deal

Official store Steam · price for Germany

  • Steam store pageDirect purchase
    SteamGermany
    €24.50No 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

€30.00€20.00€10.00€0.0011 Oct 202611 Nov 2026
  • Lowest €4.515 Nov 2026
  • Highest €5.6112 Oct 2026
  • Today €4.67

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

Outpost: Infinity Siege screenshot 1Outpost: Infinity Siege screenshot 2Outpost: Infinity Siege screenshot 3Outpost: Infinity Siege screenshot 4

Buy Outpost: Infinity Siege key: current price comparison

Where is the Outpost: Infinity Siege key cheapest?

The cheapest Outpost: Infinity Siege key that activates in the EU currently costs €4.67 at Driffle. Keyfinder compares 26 offers from 6 shops for this price. That is 81% less than the Steam price of €24.50. Prices are refreshed hourly; region, edition and any checkout fees are shown on each offer.

What was the lowest Outpost: Infinity Siege key price in the last 32 days?

€4.51 on 5 Nov 2026, for the standard edition that activates in the EU. The highest daily low in that time was €5.61 on 12 Oct 2026; today the cheapest key costs €4.67.

Which Outpost: Infinity Siege keys activate in the EU?

26 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 Outpost: Infinity Siege 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 Outpost: Infinity Siege key from Driffle?

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

Is Driffle legit? Read our check

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About Outpost: Infinity Siege

Command Mobile Outpost and take XEN Firearm to venture deep into the Signet surveillance off-limit area. Collect unique Weapon Units. Amp up the firepower of the Outpost that fights with you. This is an FTD game - FPS, Tower Defense, Base Building and much more all at the same time.

Developer
Team Ranger
Publisher
Lightning Games
Release date
26 Mar 2024
Steam
View on Steam