Games like a Ringworld Flight sim

"Starpoint Gemini Warlords" is a space-themed, real-time strategy game with RPG elements. Players can explore, mine, and combat in a vast open world, while also managing their own space station and fleet. Building and customizing ships, as well as forming alliances, are key features in this expansive game.

In "Moose Miners," manage a moose-run mining operation that extracts and sells gems. Decide where to invest profits, such as hiring more moose miners, upgrading gear, or buying new rails and minecarts for deeper mining. With 19 different gem types, expand your operation and build grinders to process the gems for sale, all without a lose condition.

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 .

SpaceBourne is a single-player Role Playing game with an intriguing story and fabulous gameplay, set in a vast universe with over 100 Solar Systems, 400 planets, and 37 space stations. Players have the freedom to mine, salvage, hunt, explore, trade, and engage in various activities with the goal of acquiring and customizing ships and weapons. Despite some bugs, the game offers an immersive experience with its impressive visuals and amazing soundtrack.

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.

"Megaton Rainfall" is a first-person superhero game with fast-paced aerial combat. As a nearly invulnerable superhuman, players must stop an alien invasion while saving cities from catastrophic destruction. The game features a unique "pentadimensional" scaling system, allowing players to seamlessly transition from street-level battles to interplanetary fights.

"stratO" is a single-player simulation game that challenges players to master advanced aerobatic maneuvers with a unique control system. Instead of traditional controls, players manipulate individual air deflectors to generate torque and navigate through a procedurally-generated world that increases in difficulty as more rings are collected. Deep game mechanics such as sliding to boost and boosting through rings for bonuses add to the challenge and replayability.

"Space Battle VR" is a thrilling virtual reality game that immerses players in intense space combat. Take control of a advanced starfighter and engage in high-stakes battles against alien fleets, using a variety of weapons and abilities. With its captivating graphics and challenging gameplay, "Space Battle VR" offers a truly engaging and exciting VR experience.

"Disputed Space" is a first-person space shooter with 6DoF, offering a single-player campaign across procedurally generated star systems. Players pilot a small fighter ship, engaging in intense battles with enemy factions, complete with large capital ships, fighters, and bombers. The game also supports local split-screen co-op multiplayer for up to 4 players. With highly optimized performance, expect thrilling space combat and arcade-style action.

FlyInside Flight Simulator is a VR-optimized game for Steam with a custom flight simulation engine, providing realistic performance and weather. It includes ten aircraft from MilViz and TFDi Design, such as jets, helicopters, and general aviation planes, and is in Early Access with ongoing updates. The game supports various input options and can be played in VR or on-desktop.