X4: Foundations

Start Small. Command Everything.Your journey begins with a single ship - but what you become is up to you.

Trade, fight, explore, and build your way to power as you grow from a lone pilot into the leader of a vast space empire. Command fleets, manage resources, and shape the future of the galaxy through your decisions.

A Living, Simulated UniverseThe universe of X4 is fully simulated and constantly evolving.

Factions trade, build, and wage war independently, reacting dynamically to both your actions and each other. Every station, ship, and economy is part of a living system that continues to grow - with or without your influence.

Build Your EmpireConstruct space stations, establish trade networks, and control entire production chains.

Design and expand your infrastructure using a modular system, building stations that power your economy, manage supply chains, and automate production as your empire grows into a self-sustaining powerhouse.

Fight and CommandEngage in real-time combat and take direct control of your ships - or command entire fleets strategically.

From small skirmishes to large-scale battles, every encounter is shaped by your tactics and decisions.

A Universe in Motion Thousands of ships and stations carry out their tasks

Factions build and expand stations

Trade routes evolve as the economy develops

Instigate war or broker peace through subterfuge and diplomacy A Universe That Keeps EvolvingX4: Foundations continues to grow with major updates and expansions that introduce new systems, mechanics, and opportunities for players. Make the universe your own alongside a thriving modding community.

Whether you’re returning or starting fresh, there’s never been a better time to build your empire.