FreeOrion Alternatives

Endless Space 2 will put you in the fascinating role of a leader guiding a civilization in making its first steps into the cold depths of interstellar space. You will explore mysterious star systems, discover the secrets of ancient races, develop advanced technologies of...

Explore a vast galaxy full of wonder in Stellaris, the evolution of the 4X strategy genre with space exploration at its core.

Galactic Civilizations III is the largest strategy sandbox ever made. Start with a single world and expand across the galaxy through diplomacy, trade, cultural hegemony or military conquest in this single-player or multiplayer 4X strategy game.

The award-winning Space Empires IV Deluxe is the latest edition in the Space Empires series. A grand strategy title in the space 4X (explore, expand, exploit, and exterminate) genre, Space Empires has already found a place in the heart of strategy gamers everywhere.

Turn based, 4X, empire space builder, singleplayer, asymmetric, Emperor focused grand strategy. The game is a fast-paced, turn-based space empire builder with no micromanagement, asymmetric mechanics, and that focuses on you as the emperor.

It is the year 2405, and human scientists have discovered a new technology that allows travel from star to star at speeds faster than light. But tragedy strikes, as Earth is ravaged by an alien force. The dawning of a new era was stymied by a grim, new reality...

4X Strategy game. Contribute to tuomount/Open-Realms-of-Stars development by creating an account on GitHub.

Build your own space faring empire in this true 4X mobile game. Discover new technologies, other alien races, derelict ships and much more as you spread your Empire to the Stars. The galaxy maps and star systems are procedurally generated, so with every game there will be...

Cosmic Supremacy is a FREE tick/turn-based massively multiplayer space strategy game with a 3D 'Galaxy View' interface. Its based on 3-6 week sessions and has user scriptable automation.

Star Traders 4X Empires is a civilization building game based on the Star Traders RPG. Discover more than 100 lost technologies, upgrades, and ship components as you reclaim the Star Traders’ heritage and discover the future.

A continuation of the open source release of star ruler 2 (a massive-scale 4X/RTS set in space) . Explore dozens, hundreds, or even thousands of systems in a galaxy (or galaxies) of your choosing, expand across their planets, exploit the resources you find, and ultimately...

Star Ruler is a large scale, real-time grand strategy set in space. Design, build, and take control of potentially thousands of ships, and expand the reach of your empire across the entire galaxy. Research new technologies, capture enemy vessels, and conquer enemy planets on...