Games like Super Starship 3

"Super Starship" is a space exploration game with a massive, persistent universe containing 900,000 stars and over 4 million planets. The game features full 3D navigation through a detailed galaxy, with the ability to fly down to planet surfaces and collect beacons for missions, points, and resources. Starbases can be owned to generate profits, adding an economic aspect to the game.

"Elite: Dangerous" is a Science Fiction open world game set in a massive, richly detailed universe. Play solo or with others in various multiplayer modes, including co-op. Experience stunning visuals, engaging gameplay, and the freedom to carve your own path amidst galactic powerplays and intrigue.

Endless Sky is a 2D space trading and combat game inspired by the Escape Velocity series. Explore a vast galaxy filled with hundreds of star systems, planets, and alien species, while completing missions, trading goods, and upgrading your ship. With a strong focus on customization and open-ended gameplay, Endless Sky offers a rich and immersive space exploration experience. The game is free, open-source, and available on multiple platforms.

SpaceEngine is a realistic Universe simulator, featuring trillions of galaxies, stars, and planets at their actual scale, all shown in 1:1 ratio. Explore the solar system and beyond, seamlessly transitioning from planetary surfaces to interstellar space. With procedural 3D terrain and textures, every celestial body is detailed and interactive, allowing you to study or simply appreciate the beauty of our Universe. Spacecraft with Newtonian physics are also available for those interested in space exploration .

Evochron Legacy is a single-player or multiplayer sci-fi simulation game, focusing on combat, trade, and exploration. The game features advanced space flight mechanics, detailed spacecraft management, and a variety of objectives, including battles, racing, mining, and building stations. With good story, great mechanics, unique atmosphere, and long-distance travel using jump drives, Evochron Legacy is a fulfilling space adventure, but be prepared for some grinding.

"Ascent: The Space Game" is a sandbox-style space simulation game that allows players to explore, mine, trade, and fight in a vast universe. Construct and manage space stations, build and customize space ships, and form alliances with other players. Features a procedurally generated galaxy with thousands of star systems and planets to discover.

Spaceflight Simulator is a single-player simulation game with perfect mechanics that make rocket science simple yet engaging. Featuring amazing graphics, a dense atmosphere, and a sensational soundtrack, it delivers an intriguing story filled with humor and emotional moments. Though it can be very grinding and has lots of bugs, its immersive experience keeps players captivated.

"Star Explorers" is a sandbox-style space exploration and survival game that allows players to mine asteroids, trade with alien races, and build their own space stations. The game features a procedurally generated galaxy, giving players a vast and unique universe to explore, complete with diverse environments, hidden treasures, and hostile encounters. Players must manage their resources, build and upgrade their spaceship, and navigate the challenges of space to survive and thrive.

QANGA is a role-playing space sandbox featuring seamless exploration of an entire solar system with no loading screens. It offers single-player, co-op, and PvP modes with ingenious mechanics and delightful visuals, though it involves significant grinding and contains numerous bugs. Play solo or with friends in this evolving early access universe.

In Evochron Mercenary, become an independent mercenary and roam the Sapphire star system, seeking your fortune through various activities like trading, racing, and mining. Experience true freeform gameplay with no plot restrictions, allowing you to form clans or work alone, making choices that suit your skills and interests. Engage in diverse tasks, including combat, exploration, transportation, and more, to build your reputation and wealth.