Top similar games like The Celestra:

Apsis Online is a minimalist multi-user roguelike (MUR) in which you play a Voyager. A human, mentally and physically augmented for a new life in deep space.

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.

Player bases are located on asteroids, which travel within the Oort Cloud. Once they’ve acquired the appropriate skills, players can control their asteroid’s movements. Mass-combat enthusiasts will love the Arena: here, players can battle it out against alien races or other Astro Lord players.

Embark on an open world journey across the stars while encountering foes, friends and forgotten stories. Build your ship. Recruit and train your crew. Most of all, explore and confront the unknown to reveal the true, vast nature of choice and consequence.

Explore a scientifically accurate Milky Way galaxy and discover distant uncharted worlds, while having unrestricted access to every deck of your Magellan Class deep space exploration vessel. Interact with numerous fully simulated ship systems, or simply relax in the bar and watch the stars drift by.

Command a fleet of ships to hunt aliens, trade resources and loot treasure! Form corporations with your friends while fighting a never-ending intergalactic war in this open-world online space adventure!

Lead a rebellion against tyranny in this open-world, survival sci-fi RPG game. Utilize alien technology to explore, build bases, craft, and farm. Prepare for an unequal combat to rescue humanity from tyranny and a mysterious deadly virus.

Superhero sci-fi MMORPG with magic. Create your unique avatar and show your heroic side. Select and custom-augment your powers as you rise through the ranks. Team up to defeat enemies, or try the hardest content solo, if you dare… Harvest. Craft. Trade. Gain fame, wealth, and power.

PlanetS is a space-themed open world game, allowing the player to explore the mysteries of the universe and various planets. First or third person camera, Craft system, flight simulation and online multiplayer.

In Prosperous Universe start your galactic empire by trading on the real-time market exchange with other real players. Build your 1st base from humble beginnings & watch as your business flourishes with complex supply chain strategies. Economics, politics & realism fuel this immersive business MMO.

Spiritus Astrum is a persistent, open-world, multi-player, roleplaying sandbox. It features an infinite, procedurally generated universe which players are free to explore without restriction. Spiritus Astrum is more than a game, it is a world.

Imperium: Galactic War is a free-to-play science-fiction strategy game of galactic warfare, empire building, and untold glory. Three mighty factions struggle for supremacy of a battle-torn universe. Some fight for peace, others for glory and conquest, and others seek only profit, power and chaos.

In this Sci-Fi RPG, you are a synthetic intelligence controlling war machines on an unknown planet. Improve your equipment, engage in battles with other players or NPCs, obtain resources and earn ratings, trade, complete tasks and find allies.

Star Sonata 2 is a space sandbox MMO that combines elements of action, RPG, and empire creation into a truly unique MMO. Explore the sandbox style universe, build persistent bases, construct trade ships, and even fight your way to the top and claim the Emperor’s Throne!

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.

EVE Online is a free-to-play community driven space MMO where players can choose their own path from countless different options. Experience space exploration, immense PvP and PvE battles, mining, industry and a thriving player economy in an ever-expanding sandbox.

Roleplaying in the ruins of interplanetary capitalism. Live the life of an escaped worker, washed-up on a lawless station at the edge of an interstellar society. Inspired by the flexibility and freedom of TTRPGs, explore the station, choose your friends, escape your past and change your future.

Sealed Gate is an exciting pixel 2D MMORPG with a huge world, lots of quests, crafting and social gameplay. Engage in battles with monsters, explore mysterious locations and become the hero of your own fantasy story!

Enter a unique science fantasy MMORPG and dive into a unique organic living world !

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.

Roleplaying on the edge of a system in crisis. You are an escaped android, with a malfunctioning body, a price on your head and no memory of your past. Get a ship, find a crew, and keep both running as you navigate the shifting landscape of the Starward Belt. Can you build refuge among the stars?

Cinderstone Online is a cute and colorful MMORPG. Protect the world from the rivalry gods wanting their stolen lands back. Climb your way for glory, farming, trading, conquering and becoming the ruler of a region. Explore and find new locations filled with rewarding loot and mysteries to uncover.

Free-to-play MMORPG Eternal Magic is a huge fantasy world with a flexible class system, dynamic combat and epic battles for up to 80 people. A MOBA mode, a party in your mansion, weddings, and guild battles. A killer mix for an incredible adventure!

Icarus, проверенная временем MMORPG, вобрала в себя лучшие черты жанра. Драматичная история, битвы в небесах верхом на драконах, рыбалка среди редкостных красот — вечер в Мидласе понравится и новичкам, и ветеранам.

Worlds Of The Future is a sci-fi open world, action/adventure game. Explore a fully seamless solar system full of adventures, mysteries and colorful characters. Build your space delivery company, climb the company rankings and become a legend among the worlds!

Tighten the ranks on your path to glorious victories in Allods Online! Team up with your friends to explore the dangers of the mysterious Astral. Together you will prevail!

Swords of Legends Online is an action MMORPG set in a breathtaking fantasy world with sophisticated combat mechanics and a unique storyline based on Chinese mythology.

Destiny’s Sword is a Living-Narrative Graphic Adventure. Explore distant worlds, forge friendships and lead your troops through an epic adventure.

Join our community on a fantastic journey across a vast, unique world. Discover new technologies, build infrastructure and brave new frontiers. All that with no fees or in-game purchases. Please note: This is a slow-paced game limited by Action Points that regenerate very slowly in real time!

At the sunset of human life on planet Earth, you are a military pilot controlling a space ship, and you find yourself at the very epicenter of the battle in the solar system. You are forced to retreat into the unknown, distant Arcanum system through hyper-jumping.

Welcome to Auroria, an open-world, multiplayer, and cooperative sandbox game. Design the Base, survive with your pals, and start your own interstellar travel in a relaxed and fun way.

A short science-fiction visual novel where you investigate the mysterious circumstances surrounding the death of a close friend.