- Requires a 64-bit processor and operating system
- OS: Windows 10 (64-bit) or higher
- Processor: Intel i5-4590 3.3GHz or AMD equivalent
- Memory: 8 GB RAM
- Graphics: Nvidia GTX 780/970 or AMD equivalent (Vulkan support required)
- Storage: 15 GB available space
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About this game
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IMMERSIVE SCENARIOS AND UNIQUE UNLOCKS
Embedded in a new X4: Timelines storyline, you'll find a wide range of scenarios in which you will experience the many different aspects of X4 gameplay. Playing these scenarios will unlock new ones within the X4: Timelines storyline, as well as rewards for your wider X4 sandbox universe - among them reimagined ships from X universe history, systems, points of interest and a new faction (full list in our FAQ / news).
MYSTERIOUS NEW STORYLINE
You'll take on the role of Harper Donel, a trader in the border territories, who is not averse to risky deals. A fateful encounter not only changes your short-term plans, but shakes the foundations of your understanding of the universe, and everyone in it. Prepare to be immersed in a tale of intrigue and revelation.
Using novel ways to introduce players to X4's core gameplay mechanics, X4: Timelines will also delight long-serving space adventurers. With a thrilling new storyline which takes place outside of the X4 sandbox, prepare yourself for colossal challenges and unexpected excursions into the depths of the X series lore and history.
X4: Timelines is your gateway to uncharted territories and untold stories. Select 'Timelines' from the main menu of X4: Foundations and set forth on an adventure that transcends time and space.
X4: Timelines is more than just an expansion; it's a revolution in the X4 universe. Whether you're a seasoned space explorer or a newcomer to the galaxy, this thrilling new chapter promises to captivate you with its blend of mystery, adventure, and strategic gameplay.
System Requirements
Swipe- Requires a 64-bit processor and operating system
- OS: Windows 10 (64-bit) or higher
- Processor: Intel Core i7-6700 or AMD equivalent
- Memory: 16 GB RAM
- Graphics: Nvidia GTX 1070 or AMD equivalent (Vulkan support required)
- Storage: 20 GB available space
Player reviews
Show more Show less
Actively devalues the rest of the game by picking individual systems, like mining or trading, and recontextualizing them as a series of scored, timed missions with a bit of story wrapping. As it turns out, these syste...
I know most people dislike this DLC, but I have to give it credit for finally getting me over the hump where the game goes from overwhelming and complicated to one of my all-time favorite games. I've owned X3 and X4 s...
To whoever decided to make Superman 64 levels to complete in order to unlock main game content: WHY
The most fun I've had unlocking content through challenges since the good ol' days. I'm glad I ignored the negative reviews and chose my own timeline.
Good stories, but the execution could be better
I really disliked this. The Timelines missions felt like an endless chore with time gated missions as well. It was further quite buggy. Any additional quest chain in the normal "sandbox" game mode that unlockes ships ...
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X4: Timelines DLC - PC (Steam)
About
IMMERSIVE SCENARIOS AND UNIQUE UNLOCKSEmbedded in a new X4: Timelines storyline, you'll find a wide range of scenarios in which you will experience the many different aspects of X4 gameplay. Playing these scenarios will unlock new ones within the X4: Timelines storyline, as well as rewards for your wider X4 sandbox universe - among them reimagined ships from X universe history, systems, points of interest...
- Platform
- Steam (PC)
- Developer
- Egosoft
- Publisher
- Egosoft
- Release date
- 20 Jun, 2024
- Languages
- Genres
- Action, Simulation
- Product type
- Digital key / activates on Steam
Supported languages
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Description
IMMERSIVE SCENARIOS AND UNIQUE UNLOCKS
Embedded in a new X4: Timelines storyline, you'll find a wide range of scenarios in which you will experience the many different aspects of X4 gameplay. Playing these scenarios will unlock new ones within the X4: Timelines storyline, as well as rewards for your wider X4 sandbox universe - among them reimagined ships from X universe history, systems, points of interest and a new faction (full list in our FAQ / news).
MYSTERIOUS NEW STORYLINE
You'll take on the role of Harper Donel, a trader in the border territories, who is not averse to risky deals. A fateful encounter not only changes your short-term plans, but shakes the foundations of your understanding of the universe, and everyone in it. Prepare to be immersed in a tale of intrigue and revelation.
Using novel ways to introduce players to X4's core gameplay mechanics, X4: Timelines will also delight long-serving space adventurers. With a thrilling new storyline which takes place outside of the X4 sandbox, prepare yourself for colossal challenges and unexpected excursions into the depths of the X series lore and history.
X4: Timelines is your gateway to uncharted territories and untold stories. Select 'Timelines' from the main menu of X4: Foundations and set forth on an adventure that transcends time and space.
X4: Timelines is more than just an expansion; it's a revolution in the X4 universe. Whether you're a seasoned space explorer or a newcomer to the galaxy, this thrilling new chapter promises to captivate you with its blend of mystery, adventure, and strategic gameplay.

System Requirements
- Requires a 64-bit processor and operating system
- OS
- Windows 10 (64-bit) or higher
- Processor
- Intel i5-4590 3.3GHz or AMD equivalent
- Memory
- 8 GB RAM
- Graphics
- Nvidia GTX 780/970 or AMD equivalent (Vulkan support required)
- Storage
- 15 GB available space
- Requires a 64-bit processor and operating system
- OS
- Windows 10 (64-bit) or higher
- Processor
- Intel Core i7-6700 or AMD equivalent
- Memory
- 16 GB RAM
- Graphics
- Nvidia GTX 1070 or AMD equivalent (Vulkan support required)
- Storage
- 20 GB available space
- OS
- SteamOS (64-bit) or Ubuntu 18.04 (64-bit)
- Processor
- Intel i5-4590 3.3GHz or AMD equivalent
- Memory
- 8 GB RAM
- Graphics
- Nvidia GTX 780/970 or AMD equivalent (Vulkan support required)
- Storage
- 15 GB available space
- OS
- SteamOS (64-bit) or Ubuntu 18.04 (64-bit)
- Processor
- Intel Core i7-6700 or AMD equivalent
- Memory
- 16 GB RAM
- Graphics
- Nvidia GTX 1070 or AMD equivalent (Vulkan support required)
- Storage
- 20 GB available space
Best Reviews
👎 Not Recommended · Steam player · 8 Jul 2026
Actively devalues the rest of the game by picking individual systems, like mining or trading, and recontextualizing them as a series of scored, timed missions with a bit of story wrapping. As it turns out, these systems are not fun outside of the context of all the other systems interacting with them and that uncomfortable reality continues to color their experience once returning to the main game.
11 found this helpful
👎 Not Recommended · Steam player · 30 Jun 2026
To whoever decided to make Superman 64 levels to complete in order to unlock main game content: WHY
11 found this helpful
👍 Recommended · Steam player · 14 Jul 2026
The most fun I've had unlocking content through challenges since the good ol' days. I'm glad I ignored the negative reviews and chose my own timeline.
4 found this helpful
Recent Reviews
👍 Recommended · Steam player · 27 Jul 2026
I know most people dislike this DLC, but I have to give it credit for finally getting me over the hump where the game goes from overwhelming and complicated to one of my all-time favorite games. I've owned X3 and X4 since their respective launches and tried countless times to get into them. Timelines was the DLC that finally did it for me, and now I'm a fan for life.
0 found this helpful
👍 Recommended · Steam player · 24 Jul 2026
Good stories, but the execution could be better
0 found this helpful
👎 Not Recommended · Steam player · 23 Jul 2026
I really disliked this. The Timelines missions felt like an endless chore with time gated missions as well. It was further quite buggy. Any additional quest chain in the normal "sandbox" game mode that unlockes ships and stuff would've have been so much better.
0 found this helpful





