Top similar games like Oreship Stellar Frontier:

In the distant future, the X universe faces a period of profound and irrevocable change. While the universe stumbles towards an uncertain future, countless adventures await as new enemies rise in search of power.

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.

It is the year 2938. The long wished-for encounter of the X Universe and the Earth holds both joy and sorrow for the people. Despite flourishing trade, the clash of the diverse races, cultures and life forms creates new tensions, mistrust and open conflict that need to be overcome!

Ancient Space is a story driven single player real time strategy game where you take command of a fleet embarking on a scientific mission to chart undiscovered reaches of space called ‘The Black Zone’. Overcome overwhelming odds and fight for your life and the survival of your ship and its crew.

Build stations above picky planets, match modules to what the locals actually want, and grow a trade empire that earns while you're away. Court the factions or cross them on the road from your first rattling fusion can to a megastructure that tames a black hole.

Blend of planet system exploration, discovery, real time space combat, together with player needing to maintain and upgrade his space ship to overcome numerous obstacles. An experience quite unlike other games in its genre.

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.

Rebel Galaxy is a swashbuckling space adventure, with action-packed combat, exploration, discovery, trade, and “negotiation” with the outlandish denizens at the edge of the known universe.

Keyclash is a simple tower defense roguelike about building on keyboard keys and surviving as long as possible.

Colonize a galaxy in 256 colors! In this RiscOS gem from 1997, the fate of human civilization lies in your hands. Travel the stars, claim uninhabited planets or fight over them against your alien opponents. Your ultimate chance to relive the original experience, on the PC for the first time ever.

If you have ever thought of becoming a doctor – here is your chance! Arm yourself in a stethoscope and do a ward round to keep up to date with your patients’ condition. They may complain and question your authority but remember – you’re the doctor!

Eternal Space is a city builder and space exploration/combat game. Explore the Eternal Space, and manage your city while you fight pirates, or maybe even become a pirate! Keep your citizens happy, and collect taxes from them each year for a little bonus!

Take the helm of a state-of-the-art warship as you fight epic space battles in a sandbox campaign. Upgrade and customize your ship, master the art of maneuvering, and use a blend of tactical prowess and heavy firepower to overcome deadly threats.

An arcade-incremental game where you DESTROY planets! Build a fleet, upgrade weapons, max out your skill tree and destroy your target slowly. You'll advance deep into the galaxy, strategically shattering planets to their cores to unlock the next celestial.

You are the last living organism in the galaxy. Adrift and alone in a cold dark world you must scavenge for resources to keep your ship running, and arm your ship to prepare for the swarms arrival. 

Far Fishing is a short and relaxing fishing game. Set off on a journey to the edge of the world, catching a variety of fish and upgrading your boat along the way.

A 2D space-fishing idle RPG. Cast gravity lines into nebula-soaked planets, reel in bioluminescent leviathans, and run an automated drone fleet that earns credits while you sleep.

Explore a seed-driven galaxy where every ship, planet, and dungeon is generated at runtime. Dogfight pirate wings, land on 20 kinds of worlds, raid surface sites on foot, and build a fleet from salvaged hulls, solo or in Steam co-op. The same seed rebuilds the same galaxy, every time.

Weird Wormholes is a casual game about traveling through wormholes to try and get back home. Use your ship to mine planets for resources and process these resources into components to enable your travels.

Orbit Engineer – Build, grow, and survive in your own space station. Manage crew morale, supplies, and research while facing unpredictable space events and system failures. Every decision matters as you expand and fight to keep your station alive in space.

A real-time sci-fi 4X strategy game where you explore procedurally generated star systems, expand your empire, manage resources, build fleets, and wage war against multiple AI factions in a dynamic and evolving galaxy.

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!

Pilot the last vessel of a fallen civilization into the vast expanse of space. Collect resources and search for a new world to call home in this minimalist space exploration and survival game.

Cats to the Moon is a short incremental game about leading a nation of silly cats as they attempt to become the first ever to land on the moon. Explore space, build your city, and most importantly, reach a place no other cat has ever been.

Deliver packages... in space! Test your agility by navigating through different galaxies carrying diverse packages and upgrade your ship. Will you become the best courier in the universe?

Commanding a starship, you’ll trade goods across the galaxy, evade cosmic threats, and grow your trading empire. Do you have what it takes to outmaneuver rivals and become a trading legend? Take command of your destiny in Epic Space Trader, your journey to the stars begins now!

Beltlife: Prospector is a GUI-based "hard" sci-fi business/work sim with economy simulation and RPG elements. Your focus is on maintaining your ship's systems and your health while prospecting for asteroid claims to auction on simulated markets.

ENDLESS Space™ is a turn-based 4X strategy game, covering the space colonization age in the ENDLESS Universe™, where you can control every aspect of your civilization as you strive for galactic domination.

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.

Lead humanity's first deep survey beyond Sol in a research-first space strategy game. Explore star systems, investigate worlds, deploy probes, and turn scientific discoveries into strategic power.

Command a crewed starship from the inside. Explore a living galaxy, answer distress calls, fight hostile ships, manage damage, craft supplies, and make captain-level choices during an interstellar war.

3030 Deathwar is a unique mix of Adventure and Space Sim. Explore star systems, mine and hunt pirates in top-down mode. Leave your ship and switch into classic Adventuring mode, where you explore derelicts, talk to shady characters or head over to the space bar for a drink.

A survey vessel bound for a destination 84,000 km away. While investigating a destroyed spacecraft, you encounter an unexplained spatial anomaly. Manage power and resources to continue your journey, and uncover the truth behind a phenomenon that is slowly consuming reality itself.

Trade your wares and eliminate the competition in a cutthroat world. Buy new ships and stations to mine and haul resources. Explore the vast emptiness of space.

Haul Cargo in Space! Manage placement of modules and make builds for fighting pirates. Explore and finish missions to uncover the secrets and mysteries of this universe.

Enter the ambient world of Osmos: elegant, physics-based gameplay, dreamlike visuals, and a minimalist, electronic soundtrack. Your objective is to grow by absorbing other motes. Propel yourself by ejecting matter behind you. But be wise: ejecting matter also shrinks you. Relax - good things come to those who wait.