Games like Star Trek Online on Steam
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Fantasy Tales Online
Fantasy Tales Online is a retro MMORPG where you must form parties, collect gear, fight through dungeons and defeat bosses. Featuring puzzles, a rich item system and complex encounters. This isn’t your run-of-the-mill grindfest MMO title!
Uncharted Waters Online
Discover yourself in the “Age of Discovery” where you’ll sail out into the uncharted waters! Discover real historical artifacts and mystical legends! Start a company and make enormous fortunes! Fight in fierce sea battles! Whatever your play style, you can play who you want and how you want in UWO!
VoidExpanse
Explore the vast reaches of VoidExpanse -- mine asteroids, upgrade your ship, trade, complete missions, advance your character and survive fast-paced combat with hostile aliens and mercenaries in the rich and exciting Sci-Fi universe of VoidExpanse!
SPACERIFT: Arcanum System
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.
Wurm Online
A sandbox MMORPG that has pushed the boundaries on what it means to be open world and stood the test of time. Dig, mine, shape the world around you and make your lasting mark!
Elite Dangerous
Take control of your own starship in a cutthroat galaxy. Elite Dangerous is the definitive massively multiplayer space epic.
Strike.is: The Game
Load your gun and dominate the best multiplayer mobile shooter game!
DarkStory Online
Bring the past back to life and live a new story in DarkStory; It's an authentic MMORPG 2D inspired by classic old-school RPGs. With hundreds of gameplay hours, immerse yourself with this epic role experience.
Warlords Awakening
Prepare yourself as you step into a world writhing in chaos. Warlords Awakening, a remastered MMORPG that will place you on a journey to become an Elite Lord with an action packed story and ominous monsters around every corner. Explore and conquer the world of Epheia together with the cute and dashing pets to choose from.
Puzzle Pirates: Dark Seas
Every activity in Puzzle Pirates is a uniquely fun puzzle: be it sailing, gunning, or hauling treasure, your own puzzling skill determines your success!
Just Cause™ 3: Multiplayer Mod
Just Cause 3 Multiplayer mod is a free fan-created project bringing an explosive and highly-customizable multiplayer.
Pixel Starships
Pixel Starships is an FTL-style online sci-fi strategy builder and management game with a competitive PVP tournament. Set in the retro galaxy, your role is to explore space, meet aliens, and develop your ship, crew and AI. The game contains deep strategic and 4x elements. PSS is community-driven.
Animal Jam
In Animal Jam, you can become your favorite animal, collect amazing items, adopt adorable pets, and create a style to express the real you as you explore the beautiful 3D world of Jamaa! 2017 Google Play Awards Winner ★ Best App for Kids
The Elder Scrolls® Online
Every legend starts somewhere and in The Elder Scrolls Online, it starts with you. Join millions of players in an online, fantasy RPG set in a vast living Elder Scrolls world.
Meridian 59
Meridian 59 was the first 3D massively multiplayer game, released in 1996. It's back, and it's free to play!
Darkstar One
Darkstar One offers a fantastic amount of freedom of choice. The story-based missions gradually lead you deeper into the galaxy to new races, new technologies and ever stronger opponents. Explore a vast array of solar systems in search of hidden artifacts of ancient races, essential objects for upgrading your ship--the Darkstar One.
Dead Maze
Dead Maze is a 2D MMO game set in a destroyed contemporary world, filled with zombies. Explore the world, scavenge and craft as many items as possible, to survive the hostile environment and upgrade your gear and camp as you go.
Mist Legacy
Mist Legacy gives you a new way to experience the thrills and adventures of an MMORPG. Handcrafted by a small team of passionate developers, the game features an easy to play top-down world, turn-based combat and a skill-based progression system. Try our game for free. We hope you like it!
Nin Online
Fight and train to become the strongest Ninja in a large Open World MMORPG. Nin Online combines deep roleplaying systems with intense real-time combat. Warning: This is a very hardcore RPG!
Destination Sol
Pilot your ship in the seamless open world made of space, planets, and more. Find new ships and equipment, find allies and beat all the enemies in this open source space shooter!
Secret World Legends
Secret World Legends is a story-driven, shared-world action RPG that plunges players into a shadowy war against the supernatural, where ancient myths and legends cross over into the modern day.
Xanadu Land
Xanadu land is a fast-paced massively multiplayer bullet hell game that brings you to the arcade gameplay. In the nonstop BOSS battle, your death is just the beginning，accumulate experience, acquire equipment, and fight side by side with other players to knockdown all the BOSSes!