Build, Explore and Conquer the Stars

Interstellar Empires is a browser-based 4X strategy game set in a persistent sci-fi universe. Build your empire, explore through unique portal mechanics, engage in strategic combat, and form alliances to dominate the galaxy.

Yes! Interstellar Empires is currently in beta and completely free to play. We're building a fair play experience where strategy matters more than spending.

You can sign up with your email to get notified when the Open Beta date is announced. Once the beta opens, you’ll be able to register and play directly in your browser.

Interstellar Empires is fully browser-based and works on any device with a modern web browser - desktop, laptop, tablet, or mobile. Play anywhere, anytime!

Add your email to the waitlist. We’ll notify you as soon as the Open Beta schedule is confirmed and when registration opens.

Both! Complete portal missions, hunt NPC pirates, and occupy solar systems for rewards. Or jump into PvP battles, attack other players, compete for trading stations with your alliance, and dominate galaxy-wide events. The choice is yours!

As an asynchronous strategy game, you can check in as little or as often as you want. Set buildings, research, and unit training to continue even when you're offline. Perfect for busy schedules!

Absolutely! Join or create alliances with friends, coordinate strategies, launch massive rally attacks together, and compete in alliance events. Teamwork is key to galactic domination!