Games like Within

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 .

Everything is a single-player, open world fantasy game with stunning graphics and music. The game allows players to control various objects in the universe, from animals to galaxies, with no set goals or tasks. Narrated by philosopher Alan Watts, Everything offers a unique perspective on life through its procedural, AI-driven simulation.

Tiny Glade is a relaxing free-form building game. Tap into the joy of making something pretty with no management, no combat, or wrong answers - just kick back, doodle some castles, and turn forgotten meadows into lovable dioramas. Explore gridless building chemistry, and watch the game carefully assemble every brick, pebble and plank, adapting to your whim. Draw a path through a building? A door …

In Reus 2, play as a god controlling mighty giants to shape worlds and create ecosystems for human civilizations to thrive. With 6 unique giants, each with their own abilities, terraform various biomes and gain inspiration to unlock more skills. Your choices will significantly impact the fates of these human beings, whose autonomy can lead them to great heights or failures.

MirrorMoon EP is an exploration and puzzle-solving game set in a beautifully created procedural universe. Players must decipher ancient alien runes and work together to uncover the secrets of mysterious monoliths scattered across different planets. With its vast open-world design and immersive gameplay, MirrorMoon EP offers a unique and captivating space exploration experience.

Reus is a single-player fantasy strategy game with excellent graphics, music, and innovative game mechanics. As a player, you control powerful giants to shape the planet, creating terrain and providing for humanity, who will thrive or succumb to greed based on your actions. With countless upgrades, synergies, plants, animals, and minerals to unlock, Reus offers endless styles of play and replayability.

WorldBox - Sandbox God Sim is a Simulation game that lets you create and control your own worlds. Populate them with life, watch civilizations grow, fight, and feel the emotional impact of your actions. Despite some bugs and grinding, the game's exceptional mechanics, humor, and replayability make it a unique and engaging experience. Note: the free version contains ads.

"Fugl" is a single-player, open-world game with stunning graphics and delightful music, but can be buggy. As a shape-shifting bird, you'll fly freely, discover hundreds of animals, and customize your physics in a serene, pressure-free environment. Explore diverse areas, morph into nearby creatures, and find mythical beings in this unique flying experience. Join the game's Discord server for updates and community: .

"ADIOS Amigos: Galactic Explorers" is a 1-4 player co-op space exploration game with realistic physics and deep orbital mechanics. Procedural generation offers a unique experience each playthrough, as you pilot a space ship, explore planets and space stations, and interact with alien life and artifacts. With local co-op, micro gravity gameplay, and even a rookie mode for young children, it's a friendly yet immersive journey through the cosmos.

Spore Galactic Adventures is an expansion pack for Spore that allows players to create and play through their own custom space adventures. Design unique aliens, spaceships, and planets, then share them with the Spore community. Experience a variety of missions, from racing to puzzle-solving, and explore a vast universe full of possibilities.