Stellaris | Steam

Buy Stellaris on PC

Get ready to explore, discover and interact with a multitude of species on a grand journey through the stars. Build a galactic empire by sending scientific missions to analyse and explore the universe, while your construction ships set up stations in orbit of the planets you discover. Discover hidden treasures and other galactic wonders as you guide your society step by step, imposing limits and evolutions on your explorers. Alliances will be formed. Wars will break out.

Like all our grand strategy games, your adventure will evolve over time. As with all Paradox games, our free updates will allow you to continue your expansion with new technologies and possibilities. What will you find beyond the stars? Only you have the answer.

Rich and varied exploration

Each game begins with a civilisation at the dawn of its galactic adventure, finally possessing the technology it needs to navigate the stars and explore the universe. Send your scientific missions to analyse and explore any anomalies, leading you on a myriad of quests and introducing strange worlds with no less astonishing stories, whose future will depend on your discoveries.

A breathtaking universe

Thanks to its unique and complex planets and other celestial bodies, you'll be able to contemplate a breathtaking spectacle in an incredibly detailed universe.

An infinite number of species and advanced diplomacy

Between customisation and procedural generation, you'll encounter an infinite variety of alien races. Select from a range of positive and negative traits, ideologies, limitations and evolutions, and let your imagination run wild. Interact using a sophisticated diplomatic system. Diplomacy will be essential to the success of your strategy. Adjust your strategy through negotiation and skill.

Rich and varied exploration

Each game begins with a civilisation at the dawn of its galactic adventure, finally possessing the technology needed to navigate the stars and explore the universe. Send out your scientific missions to analyse and explore any anomalies, leading you on a myriad of quests and introducing strange worlds with no less astonishing stories, whose future will depend on your discoveries.

A breathtaking universe

Thanks to its unique and complex planets and other celestial bodies, you'll be able to contemplate a breathtaking spectacle in an incredibly detailed universe.

An infinite number of species and advanced diplomacy

Between customisation and procedural generation, you'll encounter an infinite variety of alien races. Select from a range of positive and negative traits, ideologies, limitations and evolutions, and let your imagination run wild. Interact using a sophisticated diplomatic system. Diplomacy will be essential to the success of your strategy. Adjust your strategy using negotiation and skill.