City Siege: Faction Island
All offers (6)
Compare the platform, region and delivery before you buy.
Standard Edition 6 offers · EU & Global
- City Siege: Faction Island EN GlobalActivation keySteamGlobalLowest price€0.26+ service feeView deal
- City Siege: Faction Island Steam CD KeyActivation keySteamGlobal€0.33+ payment feeView deal
- City Siege: Faction Island (PC) Steam Key - GLOBALActivation keySteamGlobal€0.35+ service feeView deal
- City Siege: Faction Island Steam Key GLOBALActivation keySteamGlobal€0.42+ fee possibleView deal
- City Siege: Faction Island Steam Key GLOBALActivation keySteamGlobal€0.94+ service feeView deal
City Siege: Faction Island Steam KeyActivation keySteamGlobal€1.56View deal
Official store Steam · price for Germany
- Steam store pageDirect purchaseSteamGermany€4.99No feeView 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
- Lowest €0.128 Nov 2026
- Highest €0.261 Nov 2026
- Today €0.26
The cheapest EU or Global key per day across all compared stores; the dashed line is the Steam price.
Trailer & screenshots
Buy City Siege: Faction Island key: current price comparison
Where is the City Siege: Faction Island key cheapest?
The cheapest City Siege: Faction Island key that activates in the EU currently costs €0.26 at GAMIVO. Keyfinder compares 6 offers from 6 shops for this price. That is 95% 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 City Siege: Faction Island key price in the last 32 days?
€0.12 on 8 Nov 2026, for the standard edition that activates in the EU. The highest daily low in that time was €0.26 on 1 Nov 2026; today the cheapest key costs €0.26.
Which City Siege: Faction Island 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.
How do I activate the City Siege: Faction Island key?
The cheapest key activates on Steam. You redeem it there with the code the shop sends you after you pay.
Is it safe to buy a City Siege: Faction Island key from GAMIVO?
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 GAMIVO check covers who runs the shop, its fees and its regions.
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About City Siege: Faction Island
The ultimate 2D Physics War Game - War just got fun, build your army with tanks, guns, spies, flame tanks and helicopters. Then embark on battles of mass destruction and tactical rescues. Bring peace to faction island by destroying all your enemies!
- Developer
- Ish Games
- Publisher
- Conglomerate 5
- Release date
- 17 Mar 2017
- Steam
- View on Steam












