X4: Foundations
Your journey to building a vast space empire begins behind the controls of a single ship. Explore the stars, trade goods, fight battles, build stations, buy and equip ships, and command fleets in a living, fully simulated universe that reacts to your decisions.
X4: Foundations
- Windows
- Mac
- Linux
- Steam Deck (Verified)
Steam Charts, Stats, and Live Player Count
At the moment, X4: Foundations has 1,603 concurrent players online and in-game. This is 80% lower than its previous all-time peak of 7,862 players achieved on 6/30/2024.
Review History Chart
Track historical review trends and overall ratings for X4: Foundations. It has received a total of 25,536 reviews on the Steam store and achieved a Player Score of 78 (Mostly Positive).
Price History Chart
Track historical price changes and trends for X4: Foundations. Right now, it costs $49.99 in the Steam Store.
Community Hub Members & Followers Chart
Explore the cumulative breakdown of Steam community hub members for X4: Foundations and its growth over time. It currently has 147,215 followers on its community page.
About X4: Foundations
X4: Foundations is an Action, Simulation, and Strategy game developed by Egosoft. On 11/30/2018, it was released on the Steam Store by Egosoft.
Players have rated X4: Foundations as "Mostly Positive" out of 25,536 total reviews on the Steam Store. These are split between 20,333 positive reviews and 5,203 negative reviews — an overall 80% positive review rating.
It is available for gamers to download and play for $49.99. It can also be purchased through Space Engineers + X4: Foundations, X4: Community of Planets Collector's Edition (2024), X4: Community of Planets Edition (2024), X Universe - Anniversary Collection, and Cosmic Constructors which give a discount off its base price. The game also has a total of 8 DLC add-ons including: X4: Cradle of Humanity, X4: Kingdom End, and X4: Hyperion Pack available for purchase and download through Steam.
It can be played and ran on both Windows and Linux systems. It is verified by Valve as playable on the Steam Deck and will run well.
It also supports 14 languanges in-game including English, German, French, Italian, and Chinese (Simplified). Each language comes with varying levels of support for the in-game interface, audio, and fully translated subtitles.
According to Steam’s category system, X4: Foundations supports the following features:
- Single-player
- Steam Cloud
- Family Sharing
- Save Anytime
- Stereo Sound
- Steam Achievements
- Full controller support
- Playable without Timed Input
- Color Alternatives
- Camera Comfort
- Custom Volume Controls
- Adjustable Text Size
- Steam Trading Cards
- Steam Workshop
From the Steam community, X4: Foundations has been tagged with the following user tags:
- First-Person
- Immersive
- Trading
- Simulation
- Base Building
- Survival
- Space Sim
- Open World
- Sci-fi
- Strategy
- 4X
- Action
- Grand Strategy
- Moddable
- Singleplayer
- Space
- Exploration
- Building
- Flight
- Capitalism
- Futuristic
- Economy
- Crafting
- Management
- Procedural Generation
- Atmospheric
- Sandbox
- 3D
Media & Sceenshots
Watch the featured video for X4: Foundations and see the latest screenshots from the Steam Store.
DLC & Related Apps
X4: Foundations is referenced by 16 other related apps in the Steam Store.
| Image | Name | Type | Release Date | Actions |
|---|---|---|---|---|
 | X4: Cradle of Humanity | DLC | 3/16/2021 | View |
 | X4: Kingdom End | DLC | 4/12/2023 | View |
 | X4: Hyperion Pack | DLC | 2/20/2025 | View |
 | X4: Split Vendetta Soundtrack | Music | 3/30/2020 | View |
 | X4: Foundations Soundtrack | Music | 2/11/2020 | View |
 | X4: Hyperion Pack Soundtrack | Music | 2/11/2025 | View |
 | X4: Timelines Soundtrack | Music | 6/14/2024 | View |
 | X4: Timelines | DLC | 6/20/2024 | View |
 | X4: Kingdom End Soundtrack | Music | 3/29/2023 | View |
 | X4: Split Vendetta | DLC | 3/31/2020 | View |
Related Bundles
X4: Foundations is included in 5 bundles in the Steam Store.
| Image | Name | Apps | Packages | Price | Actions |
|---|---|---|---|---|---|
 | Space Engineers + X4: Foundations | 2 | 2 | $62.98 | View |
 | X4: Community of Planets Collector's Edition (2024) | 13 | 12 | $151.87 | View |
 | X4: Community of Planets Edition (2024) | 6 | 6 | $99.94 | View |
 | X Universe - Anniversary Collection | 33 | 32 | $332.48 | View |
 | Cosmic Constructors | 2 | 2 | $62.98 | View |
Related Packages
X4: Foundations is referenced by 2 packages in the Steam Store.
| Name | Price | Actions |
|---|---|---|
| X4: Discovery Pack | $24.99 | View |
| X4: Foundations | $19.99 | View |
Supported Languages
X4: Foundations is available in 14 different languages with varying levels of support for the in-game interface, audio, and fully translated subtitles.
| Name | Interface | Audio | Subtitles |
|---|---|---|---|
| English | Yes | Yes | Yes |
| German | Yes | Yes | Yes |
| French | Yes | Yes | Yes |
| Italian | Yes | No | Yes |
| Chinese (Simplified) | Yes | No | Yes |
| Portuguese-Brazil | Yes | Yes | Yes |
| Spanish (Spain) | Yes | No | Yes |
| Chinese (Traditional) | Yes | No | Yes |
| Russian | Yes | Yes | Yes |
| Korean | Yes | No | Yes |
Frequently Asked Questions
Soures & References
Steambase has best-in-class data powered directly by Steam, our data partners, and in-house experts. Data is enriched, cleansed, verified, and updated in realtime to ensure we surface the most up-to-date information. Learn more about the Steambase approach to data collection.
X4: Foundations data has been sourced from:
- Valve Corporation. (2025, October 31). X4: Foundations on Steam. Steam Store. https://store.steampowered.com/app/392160
- Valve Corporation. (2025, October 31). X4: Foundations. Steam Community Hub. https://steamcommunity.com/app/392160
- Egosoft. (2023, July 8). X4: Foundations. X4: Foundations. https://www.x4foundations.com