X4: Foundations

X4: Foundations

X4: Foundations puts trading, combat and the growth of a space economy in your hands, starting with a single ship. At Kinguin, it costs ≈ $4.95; weigh that against its focus on stations, production chains and fleet orders. The Steam rating of 79% from 25,440 reviews can help frame the decision, but it cannot determine whether this style will suit you.

If a universe where factions trade and fight on their own sounds compelling, the price may fit a purchase centered on long-term strategy. A future Steam sale is possible, but there is no need to treat one as a reason to postpone buying. At Kinguin, ≈ $4.95 is ≈ $45.04 below Steam’s current price of $49.99.

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79%Steam Reviews25.4K reviews59Metacritic/10068OpenCritic/100
Released: Nov 30, 2018
Space · Simulation · Open World · Space Sim · Exploration
X4: Foundations PC Steam CD Key+1·Platform:Steam·~ $56.25-91%from~ $4.95(~ €4.40)Save $45.04 vs SteamBuy now
X4: Foundations Steam Key GLOBAL+1·Platform:Steam·-90%~ $5.16Buy now
X4: Foundations Global+1·Platform:Steam·-90%from~ $5.17(~ €4.59)Buy now
X4: Foundations Standard Edition Steam CD Key+1·Platform:Steam·~ $56.25-90%from~ $5.50(~ €4.89)Buy now
+1·Platform:Steam·~ $49.99-84%~ $8.00Buy now
X4 : Foundations PC+1·Platform:Steam·~ $53.19-84%from~ $8.39Buy now
+1·Platform:Steam·United States Steam official price~ $49.99Buy now
+1·Platform:Steam·~ $49.99Buy now
All-time low ~ $4.00across Steam & third-party stores
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Price History

Past 36 months · Updated daily
Historical Low~ $4.002025-12Current Low Across Stores~ $8.00GreenManGamingvs. Historical Low+100%
~ $15.95~ $28.29~ $40.64~ $52.9925-1026-0126-0426-0726-10~ $4.00

Prices cover Steam and 39 authorized stores; only legitimate offers are counted. The chart shows weekly market-wide lows and Steam's official price across the past 36 months.

01About X4: Foundations

Begin with one ship and grow from a lone pilot into the leader of a space empire. Explore, trade and fight, build stations and production chains, and take direct control of ships or command fleets. Factions trade, construct stations and wage war independently within a simulated economy that keeps changing. 79% positive out of 25,440 Steam player reviews. Steam PC version: single-player and full controller support.

Credits

Developer
Egosoft
Publisher
Egosoft

Steam player reviews

79%positiveMostly Positive25,440 Steam reviews

Lowest recorded in 36 months

$4.002025-12-22 · GreenManGamingBase game · same records as the chart above; USD history, not a regional Steam low.

Language support

LanguageInterfaceSubtitlesAudio
Simplified ChineseYesYes—
Traditional ChineseYesYes—
EnglishYesYesYes
Show 11 more languages
LanguageInterfaceSubtitlesAudio
GermanYesYesYes
FrenchYesYesYes
ItalianYesYes—
Portuguese-BrazilYesYesYes
SpanishYesYes—
RussianYesYesYes
KoreanYesYes—
JapaneseYesYes—
Spanish-Latin AmericaYesYes—
PolishYesYes—
CzechYesYes—

Steam PC edition data · 2026-10-19

02Before you buy

Language and controls

The Steam PC version supports single-player and full controller support. Its interface is available in multiple languages; English and German have full audio, while several other languages have subtitles.

What you can do

The game covers trading, combat, exploration, station construction and production chains. You can take direct control of ships or command fleets strategically.

03Frequently asked questions

Can I play solo?

Yes. The Steam PC version is categorized as single-player.

Does it support controllers?

Yes. Full controller support is listed for the Steam PC version.

Does the universe change when I am away?

Factions independently trade, build stations and wage war, and the simulated universe keeps evolving without your intervention.

5.5
Overall Score
External ratings79%Steam Reviews25.4K reviews59Metacritic/10068OpenCritic/100
Graphics
7.5
Audio
6
Gameplay
5
Story
3.5
Content
6.5

“Hyper-realistic economy systems and fleet command mechanics define this sprawling space sandbox, offering immense freedom that collapses under a steep learning curve and surface-level gameplay.”