Compare X4: Foundations prices across trusted key stores and find the best deal. Developed by Egosoft. Published by Egosoft. Released on 11/30/2018. Available on PC. Genres: Action, Simulation, Strategy.

X4: Foundations drops you into a living, breathing galaxy where you pilot ships, build stations, and run a space economy entirely on your own terms.

X4: Foundations is a wide-open space simulation where you are simultaneously a pilot, a fleet commander, a trade baron, and an industrial empire builder. You start with a single ship and, if you stick with it, end up managing a sprawling network of factories, automated freighters, and fighter escorts across a persistent, simulation-driven universe. It is less a game with missions and more a game with systems - systems that interact, conflict, and occasionally collapse in ways that feel genuinely emergent. Egosoft has been iterating on this formula since the 1990s, and X4 is the most polished expression of it so far, bolstered by years of patches and a robust DLC lineup. The depth here is real and worth spelling out. The economy is fully simulated: every station in the galaxy buys and sells resources, and the price of hull plating in one sector is directly affected by whether a war has cut supply lines three sectors away. Your first meaningful decision as a player is not what weapon to equip but what trade loop to exploit. From there, you graduate to placing your own stations, assigning managers with skill stats that affect production efficiency, and building supply chains that can make you effectively self-sufficient. The fleet layer is just as granular - capital ships carry fighters in their hangars, sectors can be patrolled or claimed, and large-scale faction wars play out in the background whether you participate or not. For a certain kind of strategy brain, this is close to paradise. That said, X4 does not hold your hand, and the first ten hours can be genuinely rough. The tutorial covers basic flight and docking, but leaves the economy, the property menu, the map orders system, and fleet management almost entirely for you to discover. The UI is functional but dense, built more for someone who already knows what each panel does than for a newcomer still asking what a plot command is. If you are willing to spend an evening with a community wiki or a YouTube primer, the fog clears fast and the game becomes enormously rewarding. The modding community on Nexus and the Steam Workshop has also addressed several of the UI pain points, so browsing a few quality-of-life mods before your first serious playthrough is genuinely recommended. The AI deserves a nuanced mention. Faction AI is solid enough that wars feel motivated rather than scripted, and your own ship captains handle trade and patrol routes competently once they gain experience. Where the AI stumbles is in the moment-to-moment combat piloting of NPC fighters, which can look a bit chaotic in large fleet engagements. It does not break immersion badly enough to ruin the experience, but players expecting tight formation tactics will be frustrated. The direct flight model for your own ship, however, is satisfying - switching between a nimble scout and a lumbering destroyer genuinely feels different, and carrier operations where you launch and recall fighter wings from the cockpit are a highlight. The current state of the game, with its major patches and expansions adding new factions, ship classes, and storylines, represents a dramatically better product than at launch - which explains the mixed review score that skews heavily positive once you filter for recent feedback. If you want a single-player space sandbox where your 200-hour save file still has unresolved strategic questions, X4 delivers that almost unmatched on PC right now. Diego, Scout Team

X4: Foundations

X4: Foundations

Nov 30, 2018Egosoft
GamerScout Says

X4: Foundations drops you into a living, breathing galaxy where you pilot ships, build stations, and run a space economy entirely on your own terms.

PC
Steam Deck VerifiedProtonDB Gold
Best Price Available
€3.96-92%
at Eneba
Lowest tracked: €3.96
Track this price

GamerScout Verdict

Best for patient strategy players who want a fully simulated space economy and don't mind climbing a steep learning curve to get there.

Compare Prices(7 stores)

EnebaBest price
StandardLatin AmericaSteam KeyKey
€3.96-92%
Priced in EUR by the store
Buy
StandardGlobalSteam KeyKey
€5.36
Priced in EUR by the store
Buy
StandardGlobalSteam KeyKey
€7.26-85%
Priced in EUR by the store
Buy
StandardGlobalSteam KeyKey
€7.32
Priced in EUR by the store
Buy
StandardEurope (EU)Steam KeyKey
€7.77-84%
Priced in EUR by the store
Buy
StandardEurope (EU)Steam KeyKey
€7.78
Priced in EUR by the store
Buy
StandardEurope (EU)Steam KeyKey
€8.57-18%
Priced in EUR by the store
Buy
StandardGlobalSteam KeyKey
€9.67
Priced in EUR by the store
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Price History

Lowest tracked
€3.968 Aug 2026
Current best
€3.96
Lowest since we started tracking
Keyshops
€3.52€5.03€6.54€8.055 Jun29 Jun22 Jul15 Aug7 Sept
5 Jun — 7 Sept
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Screenshots & Media

About X4: Foundations

X4: Foundations is a wide-open space simulation where you are simultaneously a pilot, a fleet commander, a trade baron, and an industrial empire builder. You start with a single ship and, if you stick with it, end up managing a sprawling network of factories, automated freighters, and fighter escorts across a persistent, simulation-driven universe. It is less a game with missions and more a game with systems - systems that interact, conflict, and occasionally collapse in ways that feel genuinely emergent. Egosoft has been iterating on this formula since the 1990s, and X4 is the most polished expression of it so far, bolstered by years of patches and a robust DLC lineup. The depth here is real and worth spelling out. The economy is fully simulated: every station in the galaxy buys and sells resources, and the price of hull plating in one sector is directly affected by whether a war has cut supply lines three sectors away. Your first meaningful decision as a player is not what weapon to equip but what trade loop to exploit. From there, you graduate to placing your own stations, assigning managers with skill stats that affect production efficiency, and building supply chains that can make you effectively self-sufficient. The fleet layer is just as granular - capital ships carry fighters in their hangars, sectors can be patrolled or claimed, and large-scale faction wars play out in the background whether you participate or not. For a certain kind of strategy brain, this is close to paradise. That said, X4 does not hold your hand, and the first ten hours can be genuinely rough. The tutorial covers basic flight and docking, but leaves the economy, the property menu, the map orders system, and fleet management almost entirely for you to discover. The UI is functional but dense, built more for someone who already knows what each panel does than for a newcomer still asking what a plot command is. If you are willing to spend an evening with a community wiki or a YouTube primer, the fog clears fast and the game becomes enormously rewarding. The modding community on Nexus and the Steam Workshop has also addressed several of the UI pain points, so browsing a few quality-of-life mods before your first serious playthrough is genuinely recommended. The AI deserves a nuanced mention. Faction AI is solid enough that wars feel motivated rather than scripted, and your own ship captains handle trade and patrol routes competently once they gain experience. Where the AI stumbles is in the moment-to-moment combat piloting of NPC fighters, which can look a bit chaotic in large fleet engagements. It does not break immersion badly enough to ruin the experience, but players expecting tight formation tactics will be frustrated. The direct flight model for your own ship, however, is satisfying - switching between a nimble scout and a lumbering destroyer genuinely feels different, and carrier operations where you launch and recall fighter wings from the cockpit are a highlight. The current state of the game, with its major patches and expansions adding new factions, ship classes, and storylines, represents a dramatically better product than at launch - which explains the mixed review score that skews heavily positive once you filter for recent feedback. If you want a single-player space sandbox where your 200-hour save file still has unresolved strategic questions, X4 delivers that almost unmatched on PC right now.

Diego
Diego · Scout Team

Strategy & simulation

Tags

steamSpace Economy SimFleet ManagementStation BuildingSandbox EmpireTrade RoutesCapital ShipsModdableSingle-Player SandboxEmergent Gameplay

System Requirements

Minimum

Processor
Intel i5-4590 2.7GHz or AMD equivalent
Memory
8 GB RAM
Graphics
Nvidia GTX 780/970 or AMD equivalent (Vulkan support required)
Storage
12 GB…

Recommended

OS
Windows 10 (64-bit) or higher
Processor
Intel Core i7-6700 or AMD equivalent
Memory
16 GB RAM
Graphics
NVIDIA RTX 3060 or AMD RX 6700 or equivalen…

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Reviews & Ratings

Steam
80%(28,523)

Game Info

Developer
Egosoft
Publisher
Egosoft
Release Date
Nov 30, 2018

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Frequently asked questions about X4: Foundations

How much does X4: Foundations cost?

As of 7 September 2026, the cheapest in-stock offer for X4: Foundations is €3.96 at Eneba, out of 13 live offers we track across verified key stores. Prices change daily — the table on this page is refreshed continuously.

Where can I buy X4: Foundations cheapest?

The lowest in-stock price we track for X4: Foundations is €3.96 at Eneba (7 September 2026). We compare 13 live offers from verified key stores — the full table with every store and its trust score is on this page.

What platforms is X4: Foundations available on?

X4: Foundations is available on PC.

When was X4: Foundations released?

X4: Foundations was released on 30 November 2018.

Who developed X4: Foundations?

X4: Foundations was developed by Egosoft.