Could be interesting
SpaceEngine is a 3D astronomy program and game engine developed by Russian astronomer and programmer Vladimir Romanyuk. Using real astronomical catalogs and procedural generation, it creates a three dimensional planetarium representing the entire universe. Users can travel through space in any direction or speed, and forwards or backwards in time. It uses pseudo-random numbers to procedurally create any kind of planetary system, nebula or galaxy.
Dive into a factory-building game where the focus is on just that — building huge factories! Construct sprawling multi-level factories and min-max your layouts without limits. Shapez 2 is tailor-made for enthusiasts who crave the thrill of optimizing production lines and perfecting automation.
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.
Outer Wilds is a critically-acclaimed and award-winning open world mystery about a solar system trapped in an endless time loop. The newest member of the space program in a small village on the planet Timber Hearth, the player navigates a space shuttle and travels across their solar system to get to the bottom of its mysteries by exploring the cosmos and gathering the knowledge hidden within each of the system's planets, left behind by another civilization in the distant past.
Exo Rally Championship is the galaxy’s most dangerous off-road racing event - remote, unexplored, extreme exoplanetary rally. Master a brutally realistic racing simulation and fight for every second gained on your quest to become a champion.
You have been hired by the citizens of Critter Cove to help put their town on the map. Use your trusty salvage vessel and elite diving skills to find the resources needed from the ruins of an ancient civilization sunk beneath the wave and turn Critter Cove into a prosperous port town.
See your civilization grow in a relaxing city builder that you’ll play at your own pace. Terraform and colonize a new planet by the means of magic. Reshape entire regions, conduct research, and create wondrous constructions!
Hytale combines the scope of a sandbox with the depth of a roleplaying game, immersing players in a procedurally generated world where teetering towers and deep dungeons promise rich rewards throughout their adventures. Hytale supports everything from block-by-block construction to scripting and minigame creation, delivered using easy to use and powerful tools.
SimpleRockets was released in 2013 for mobile and a ton of work was put into getting it ready for PC and Mac. It was inspired by KSP, and it offers a simpler 2D experience for building rockets and exploring space with realistic orbital mechanics.
Dude Simulator is an open world sandbox game. This is a life simulator. The main objective is to enjoy what you are doing.