Top similar games like OESE:

A management simulator in which you must produce fuel from dangerous bacteria and algae in a laboratory on Mars. The bacteria can kill you. You have a few days to leave Mars, as a storm is coming. Manage the fuel that also powers the elevator and energy generators.

“Cleaning the Space” is a game about clearing debris in Earth’s low orbit. Avoid obstacles and use various tools to clean up the space!

The ultimate space capital ship combat compendium is the evolution of hard core space combat sims. The only game of its kind currently in existence.

After a century in cryosleep you find yourself stranded amidst the ruins of mankind’s first interstellar colony. Explore derelict ships and stations and harvest raw resources in search of air, fuel and other equipment. Or loot and pillage what you need from other survivors. The choice is yours!

The game is a platform runner. The game is also suitable for offline play. The game is designed to just take a break from the action games and just walk around. You can just walk around the map, you can try to embed your files for yourself. The main task is to try to find way to get out from there.

Build your ship, defend against drone waves and explore hundreds of sectors filled with stations, asteroids and planets with lots of POIs. The ship systems can be controlled via consoles with several hundred buttons. Craft equipment and blocks, loot the POIs and disabled drones.

Create and destroy on a scale you’ve never imagined!

Defend Earth's orbital station from alien invaders in SPACE WARS, a fast-paced arcade shooter. Customize your ship, upgrade weapons, and battle through intense levels to save humanity in this action-packed space adventure.

Cosmo 02 is a fast-paced bullet hell shooter where you play as a space soldier, destroying enemy fleets, defeating bosses, and collecting power-ups in a stunning galaxy.

This game is about flying in space. You must destroy asteroids from the explosion of an object near the planet Jupiter. You will also encounter other extraterrestrial objects and even UFOs.

Travel with your spacecraft throughout the solar system based on realistic Kepler's laws of gravity. Invent your own routes between planets, use gravity, explore space, trade, upgrade your spaceship and enjoy the beautiful scenery!

Design, build and control your own space station. Mission command and control is in your hands and only careful planning and vigilant supervision will keep your crew and space station safe.

Create your space colony for kittens and conquer the galaxy in this hand drawn card-battler inspired by Stacklands and Card Hog. Manage resources, explore alien worlds, conquer other civilizations or make new allies.

ToT: Experiment is a sci-fi short story game set on a remote ship wandering through space. Without any memories or recollection of his past our hero is tasked by the ship AI - AR.I.A. to perform daily tasks, that will help to maintain the ship.

Explore space and build on other worlds in Star Rangers! Star Rangers is a space exploration and construction game that allows players to build habitats and spacecraft, acquire gear and explore the solar system.

Satellite Command is a realistic, relaxing astrophysics simulator. Complete contracts with real data, launch and take control of ever more powerful Satellites, research advanced technology and build your Space Agency!

Tiny Space Academy is a 2D space sim where you can grow your own space agency and explore our solar system with rockets you design! Learn basic orbital mechanics, run science experiments, and get your astronauts back to Earth safely.

An orbital mashup of physics, puzzles, and business simulation! Navigate packages through a galaxy using gravity and tools like slingshots, mass drivers, and cannons. Create your own levels & share them with the world via Steam Workshop. The ultimate space delivery challenge awaits!

Spaceship Pro Simulator. Strapped in and ready. One ship, one mission—survive the unknown. Enemies ahead, systems online. This is my journey through deep space, and I'm not going down easy.

Odyssey is a story-driven space adventure for solo and multiplayer. Search for a new home for humanity while protecting your exploration ship. Scientists onboard carry Earth's last hope—its biodiversity. The fate of life itself is in your hands.

A story-driven sci-fi adventure where you repair satellites in Earth's orbit while unraveling corporate secrets. Navigate dangerous space debris, manage resources, and banter with mission control in a game packed with humor, mystery, and tough choices.

This is an interesting shooting game. You need to use a variety of weapons to attack the enemy and survive.

EVERSPACE™ combines fast-paced combat with roguelike elements, great visuals and a captivating story. It takes you on a challenging journey through an ever-changing, beautifully crafted universe full of surprises. Shoot, craft and loot your way to victory while the odds are stacked against you.

Maneuver through Asteroids and collect Juice!

The essence of the Heliconian is to manage a mixed crew of renegades aboard the starship Heliconian. Manage the crew member’s actions and the ship’s functions to survive as long as possible while exploring the star system in the hopes of earning upgrades and ultimately a safe haven.

Endless Sky is a 2D space trading and combat game inspired by the classic Escape Velocity series. Work your way up from a relatively wimpy shuttle, cargo ship, or fighter, to a highly upgraded and customized flagship or to a massive fleet of warships or freighters.

Embark on humanity’s greatest journey to the Moon with Lunaris. Take on the role of an astronaut navigating NASA’s Apollo missions, from the roaring launch of Saturn V to stepping on the lunar surface. Experience the triumphs, challenges, and legacy of space exploration in this immersive simulator.

Real-time planetary collision sandbox powered by SPH physics: smash planets together and watch the destruction and its aftermath!

Launch a rocket. Extend the Antenna. Set your internet service price and start making money. Oh and shoot down asteroids if they threaten your satellites.

Prepare for your unexpected enrollment into the Startenders Academy. Your goal is to create bizarre beverages for colourful customers in the hope that no one notices you haven’t the slightest clue what’s going on.

Become the Captain of an interstellar cruiser and journey across the galaxy to save the Republic. During your journey you will have to make important decisions, improve the weaponry of your ship and fight against numerous enemies.

RESBS is a first-person space survival simulation where you and your friends cooperate to survive in zero gravity on a space station!

PULSAR is an award-winning 40-minute Immersive Art Installation with occasional interaction: a tribute to the imaginative spirit of six-year-old Eloise who lost her battle with leukemia. Three portals into deep space. Three unique, music-driven journeys.