Games like Subspace Discovery

In Star Trek Online, the Star Trek universe appears for the first time on a truly massive scale. Players take the captain's chair as they command their own starship and crew. Explore strange new worlds, seek out new life and new civilizations, and boldly go where no one has gone before.

Experience a thrilling action RPG set on the supernatural island of Aeternum. Forge your destiny on an adventure filled with danger and opportunity.

Define your own destiny in this dynamic, open-world sandbox MMORPG. Explore vast fantasy worlds, fight monsters and other players in dynamic PvE and PvP battles, gather resources, set up a trade empire, grow your virtual home to a major city or conquer others. Chose your own way!

Play ArcheAge - A vast open-world sandbox MMORPG with everything you can possibly imagine.

TERA is an epic fantasy MMORPG experience. Master the action-packed combat system and prove yourself in solo and multiplayer adventures – all in the stunningly beautiful world of Arborea!

ArcheAge: Unchained removes the barrier between you and the ultimate MMO experience.

Dual Universe is a first-person Sci-Fi MMO built and driven by players, in a single persistent universe. You can build almost anything out of voxels, trade in a free economy, lead industries, travel through space, explore planets, or wage war in a fully editable sandbox universe. Subscription-based.

Ascent is a PVE sandbox space MMO with 270 BILLION star systems and an emphasis on strong Sci Fi. It encourages Exploration, Colonization, Research, Asteroid mining, Farming, Trading, and Combat. Outside the tutorial sector, everything in-game has been built by players.

Take control of your own starship and blaze your trail in an ever-changing galaxy. Master the arts of combat, mining and trade or venture out into the unknown across a 1:1 scale universe.

Jump Space (formerly Jump Ship) is a mission based co-op PvE for 1-4 players, where you are the crew of a spaceship. Transition seamlessly from crewing the ship to on-foot exploration and space walks. Explore, upgrade, and survive intense encounters in deep space together.

Space ACTION-MMO. Control & upgrade more than one ship. Build a fleet! Turn a rag tag team into an armada. Aliens build relationships. Crew/attributes/skills/mastery/magic(legendary/unilegendary/unique)items. WORLD FIRST: Multicore MMO & INFINITE PLAYERS! Soon: Conquer star systems & Tax Players.

Star Conflict is an action-packed, massively multiplayer space simulation game that puts players in the role of elite pilots engaging in a widespread interplanetary skirmish. The whole world for PVP and PVE!

Grace Online is a 3D fantasy MMORPG featuring an immersive experience that allows the players to forge their own paths through exploration and discovery.

Over 20 years of legendary space battles! Explore a massive living universe of danger and opportunity in a challenging and highly rewarding space adventure. Fight, trade, build, and connect with a universe driven and shaped directly by players.

MMORPG full of details that create a unique immersion and the spirit of adventure! Play your role in the life-filled medieval world controlled by players.

Your journey to building a vast space empire begins behind the controls of a single ship. Explore, trade, fight, and build as you rise to command fleets, stations, and entire economies in a living, fully simulated universe that reacts to every decision.

The co-op open-world space sim where everyone has a role! Pilot the ship. Reroute power. Launch nukes. Explore alien planets. Research new talents. Work together to find the Lost Colony! ...or just deliver some biscuits

Starbase is a hybrid voxel/vertex-based space MMO with a fully destructible and infinitely expanding universe, with a focus on building and designing spaceships and stations, exploration, resource gathering, crafting, trading, and combat.

A unique space strategy game where thousands of players participate in one shared galaxy.

Explore the mysteries of Sol and experience exhilirating first-person shooter combat in Destiny 2. Unlock powerful abilities and collect unique gear across story missions, co-op, and PvP modes.

A procedural co-op space sandbox where players can build their own space ships out of dynamically scalable blocks. Fight epic space battles, explore, mine, trade, wage wars and build your own empire to save your galaxy from being torn apart by an unknown enemy.

We're tired of endless grinding, mini-maps and predetermined fun. That's why we intend to redefine MMOs and empower our players to find their own destiny, write their own stories, and leave a lasting impression on the world they helped us create. How will you impact it and what will your legacy be?

CSC is a casual space MMO with fast-paced combat, a robust player economy, and an uncapped crafting system. CSC is a game in active development.

Choose your own destiny as you explore an open-world procedurally generated galaxy where anything is possible. Become a miner, a trader, a bounty hunter, a pirate, or perhaps a jack of all trades. Start off small and build your way to the top but remember with every action, comes consequences.

Create your own furry character! In "StarArc Echo" you'll meets friends, fight alongside them, and share joyful moments! With a exciting PVE challenges, thrilling PVP battles, and various unique life skills, a boundlessly free and fantastical world awaits you.

Build anything. Fight anyone. In space. Highly tactical competitive sci-fi combat/building multiplayer free-to-play game. Bit of MOBA, bit of sandbox. Try it out to see for yourself!

《全球戒备》是一款硬核的军事战棋策略游戏。外星太空舰队坠落地球，世界各国政府都想抢先得到残骸，研究外星技术。你将代表某个国家，带领4人小分队前往坠落点侦查情报。真实还原的世界地图、潜行战斗场景与各类枪支弹药；多兵种组合策略，与玩家实时对抗，尽显军事才能。指挥官，请指示！

Anarchy Online – the first ever science fiction MMO – is now on Steam! Compete and cooperate with thousands of players simultaneously on a vast, alien world. Join humanity nearly 30,000 years in the future in a world of perpetual conflict and scientific marvel.

A Sci-Fi role-playing game featuring turn-based ground combat, space exploration, deep character customization and a massive living universe with thousands of star systems. Equip your ships with the best equipment you can find, gather a powerful crew of mercenaries and set out into the void!

STAR WARS™: The Old Republic™ is a free-to-play MMORPG that puts you at the center of your own story-driven saga. Play as a Jedi, Sith, Bounty Hunter, or one of many other iconic STAR WARS roles in the galaxy far, far away over three thousand years before the classic films.

Starfield is the first new universe in 25 years from Bethesda Game Studios, the award-winning creators of The Elder Scrolls V: Skyrim and Fallout 4.

Deep Rock Galactic is a 1-4 player co-op FPS featuring dwarven space miners, procedurally-generated destructible environments, and endless hordes of alien monsters. Explore cave systems, mine for minerals, and work together to survive!

Bless Unleashed is an open-world online game that can be enjoyed with your friends and countless others. Venture out to engage in intense combat while exploring vast regions and treacherous dungeons.

Enter a magical 2D world online with thousands of players in this MMORPG! Make new friends and play with thousands online! The adventure is yours.

Gangs of Space is a massively-multiplayer Rogue Shmup where Gangs of players compete for the conquest of the galaxy.

No Man's Sky is a game about exploration and survival in an infinite procedurally generated universe.