Games like Spacetime Dimension

Archean is a richly detailed engineering sandbox set on primordial Earth over 3 billion years ago, offering solo and co-op multiplayer modes. Players craft, experiment, and explore with realistic physics, orbital mechanics, and aerodynamics in an open world that extends from Earth’s surface to space. The game features splendid graphics and deep simulation systems for a truly immersive experience.

Machinery - Physics Puzzle is a single-player puzzle game designed for brain training, featuring sensational game mechanics that challenge your problem-solving skills. Players must manipulate intricate machinery to solve physics-based puzzles and advance through increasingly complex levels. While engaging and stimulating, the experience is occasionally interrupted by annoying ads.

"Give Me Basic " is a budget-friendly game that offers a sandbox experience similar to "Astroneer." Players can explore, gather resources, and build structures in a procedurally generated world, but may find that the game lacks some of the realism and polish of its inspiration. The game's Early Pack edition includes access to early updates and additional content. Follow the installation instructions provided in the game's YouTube video to get started.

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.

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 .

MineEngineer is 2D space survival sandbox game—a unique fusion of engineering, survival, and planetary exploration. You begin alone in the depths of space, armed with only basic tools and your will to survive. But this isn’t just a story of survival among asteroids. It’s also about venturing down to hostile planetary surfaces, unearthing rare resources, battling the elements, and building the inf…

Explore and exploit distant worlds in a game of aerospace industry and interplanetary exploration. With your gun you can reshape the landscape around you and gather resources. On your journey you come across special artifacts that will provide you with research points, in order to unlock new technologies. These include rovers and spaceships, in order the expand your reach on the planets in the sol…

Astro Colony is a space exploration and automation game set in an infinite, procedurally generated universe made of destructible voxel planets. Build unique transport systems, recruit astronauts, research technologies, and play with friends in co-op mode to traverse and discover unknown grounds. But be careful, danger lurks around every corner.

Universe Sandbox is a physics-based space simulator that allows players to create, destroy, and interact on an unparalleled scale. Experience realistic gravitational pull, collisions, and stellar phenomena as you build and manage your own universe. With accurate models of known celestial bodies and the ability to create your own, this game offers a sandbox for both education and entertainment.

"Starship EVO is a work-in-progress space sim that offers a creative building experience, allowing players to build and customize starships, space stations, and handheld weapons using a variety of tools and options. The game currently features engaging space battles and plans to add a survival mode in the future. A Server/Client framework is used for multiplayer, which requires port forwarding." less than 400 characters, more than 100 characters.