Starsector

You are an immortal AI that will rebuild a spaceship and explore a vast procedural universe. Unlock the secrets of alien technology, automate factories in space and spoil, neglect or exploit the human survivors.

Rebel Galaxy is an action-packed, swashbuckling space opera. You'll battle pirates, explore anomalies, befriend aliens, scavenge battle wreckage, mine asteroids, and discover artifacts. Choose your path as a roguish do-gooder, crafty space-trader or power-hungry privateer - or maybe a little of each! Buy larger and more powerful craft with your hard-earned credits, and outfit them with a variety of wicked weapons and defenses. Set in a galaxy of fantastic sights, and secrets to be found, Rebel Galaxy is above all a space epic of adventure, exploration, and combat.

Reboot is an expansion pack for the critically acclaimed Space Rangers 2: Rise of the Dominators. It adds new missions, equipment, maps, and other additional content to the original game.

Space Rangers is a space combat strategy game where you control your own ship and eventually a fleet of ships to fight the evil alien race, Klissans. You are put in an open world to play as you please to achieve your goal.

Starmancer is a space station building game offering gameplay with consequences, a living sandbox environment, crafting, and managing the daily lives of colonists. Send crews out to mine on asteroids, trade with other factions, and explore old alien ruins. Obey protocol or go rogue as you take on the role of a powerful A.I.. Build bustling space ports, secret laboratories, and incubators for mysterious eggs. Defend against starvation, sabotage, and space zombies. Don't worry, you can always grow more humans. The vastness of space awaits. Are you ready?

As an engineer of Dyson Sphere Program, you will go to an alien galaxy building “Dyson Sphere”. Collecting resources, plan and designing production lines, gradually create a full automated factory. Develop your factory from a small workshop to a huge cross-galaxy Industrial empire.

Empyrion - Galactic Survival is a 3D open world space sandbox survival adventure. Build mighty ships, menacing space stations and vast planetary settlements to explore, conquer or exploit a variety of different planets and the allegedly empty space!

Humans are long gone. In a world struck by droughts and toxic waste, will your lumberpunk beavers do any better? Timberborn is a sandbox city-building game featuring ingenious animals, vertical architecture, water physics, and terraforming. Contains high amounts of wood.

Big Ambitions is a revolutionary role-playing business sim. Go from nothing to the biggest entrepreneur in New York by opening small businesses or slowly building huge corporations any way you like.

Face thunderous monsters, join up with devious pirates, loot ancient star cities, and make your mark on a galaxy of storms and secrets in this open world lovecraftian spacefighter RPG! Explore a vast handmade universe full of quests, bosses, and loot. Includes online multiplayer and mod support. Inspired by classic space games, Underspace is an open-world space arcade dogfighting game, where every star system is crafted by hand, and every star system has something to see or do. Jump into the bizarre galaxy of Croft, step into the role you want, and thrive alone or online with friends. But beware! The storms rule the stars.