Top similar games like Subspace Discovery:

AQ2: Expanse is a massively multiplayer space strategy game. A single persistent universe with open PvP and PvE. Fight for control over the Aquila system's sectors in huge corporation wars, play with everyone, play in a group or play solo with plenty to explore.

Wings of The Universe (WoTU) is a free-to-play 2D indie space action MMORPG top-down game developed by a single programmer. WoTU is designed to be co-op heavy, but even a lone wolf can survive with his skills and have fun.

Cubox is a 3D MMORPG with a procedurally generated open world. Build, fight, and discover!

Station Commander is an economy strategy game that has you take control of a futuristic space station. Your goal is to build ships, gather resources, and trade with neighboring planets to upgrade your station and ships. Upgrading your station gives you access to better ships and ship abilities.

Free-to-play multiplayer extraction RPG set in the apocalyptic future world of Pangea. Fight against enemies, both other players and monsters, for resources. Craft items and earn skill points to build an unstoppable Apidom that matches your playstyle.

Throbax TD is the "Tower Defense" game you are looking for: Help Ughlar fight his way through 50 levels, buy over 100 upgrades and get all of the 50+ achievements.

'EOPN – Test RS' is a true test from the French Air & Space Force, turned into a sci-fi turn-based strategy game set in a nebulous future. Train for your selections or just enjoy the dive in this immersive experience where the goal is to take the best decisions to survive.

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!

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.

Argentum Online is an online RPG based in a medieval fantasy world. The game features 21 skills and PVP gameplay.

"Wartune Reborn" epic magic TBS game was developed by 7Road Wartune Workshop. The game shows the magnificent god-devil battlefields of Cloud City with military organization, runes, sylphs awakening, skills, castles construction and wild exploration!

Embark on a captivating journey through Rebornia, a turn-based MMORPG with immersive low-poly visuals and dynamic gameplay. Join a vibrant community, unleash powerful spells, and forge your destiny in a fantastical world filled with adventure and discovery.

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.

Genfanad is an MMORPG - TCG hybrid, where deckbuilding meets epic bosses, vast dungeons & cooperative quests! Level up your skills, upgrade your gear, challenge other players in PvP (or work with them in cooperative play!) and collect new & rare cards to upgrade your deck!

Lead anti-piracy operations, command your carrier ship and send your fighters on missions, train new officers and pilots, discover new technologies and star systems in this immersive sci-fi tactical RPG.

A 2D Online RPG where you can become the most wanted pirate, the strongest bounty hunter or even the highest-ranking Marine! Customize your character to be uniquely yours, level up and find treasures. Start your adventure in the world of Pirate Souls now!

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.

MOBA PvP game in which two teams fight tanks, and other vehicles for victory.

Create your hero and lead your troops on the battlefields of Bersia! Kingdom Under Fire 2 is an action-packed MMORPG/RTS hybrid. Choose one of five heroes, explore a fantasy world and hone your skills until you and your troops are ready for the epic-scale battles of this colossal war!

Aim to conquer Aincrad with Kirito and Asuna

Become the ruler of the entire Galaxy: colonize planets, extract resources, build defenses and fight in planetary battles!

Outscape is everything you love about traditional strategy games, but places your empire within a vast online galaxy alongside other real players. Outscape rewards skillful long-term strategic gameplay with a brilliantly refreshing new take on the 4X genre.

Cooperation is key in this team-based 4X multiplayer grand strategy game set in a futuristic universe. Become instrumental in your faction’s pursuit of galactic domination through resource management, strategic gameplay and interactive roleplay.

Heartwood Online is a cross-platform free-to-play MMO. Explore a vast world filled with adventure where you choose your own path. Immerse yourself in crafting, trade, PvP & PvE battles, guilds, politics, and a thriving player economy.

Swords and Shotguns is a Sandbox Survival MMORPG, combining elements of PvE and full loot PvP with intense real-time combat. Gather resources, craft power gear, and shape the player-driven economy. The entire world is a massive big server.

Build up your empire and hold your defense against the waves of enemy attacks! Develop your own strategy. Compete in epic Clan Wars!

Kingdoms Conquer is a Massive National Battles Card Strategy Game. Recruit troops, build the battle lineup, conquer and expand your territory, all is to make your realm grown more powerful and finally reign over all the realms! Write your own history and become the one true king of all the kingdoms!

Fantasy 2D Retro Pixel Anime MMORPG — Crafting, Open-World, Sandbox — PVP & PvE

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.

Explore space, battle rivals, and build your empire in Galaxicus, the latest addition to the popular Mega Wars series. Customize your spaceship and establish colonies in an MMO experience that's perfect for solo or team play. Join the adventure and become the ultimate champion of the galaxy.

Embark on an epic MMO multiverse adventure in a totally free RPG game, and become a legend which will be remembered across generations, universes, be memorable in whole worlds. Feel the mana power growing on you!

Spacecraft Tactics is a 2D turn-based tactical space game. Save the last rebel outpost in the campaign. Develop a strategy, execute it in tactical battles and micromanage your ship. Play various game modes single or multiplayer. Create your own ships, scenes or mods and share them.

▶ Fire ▶ Water ▶ Earth ▶ Wind - which class is for you?Gather your party and embark on an adventure to the Edge-World in a unique non-P2W 2D Side-Scroller MMORPG! Enjoy an open world full of life, exploration, roguelike expeditions & challenging boss fights together with friends or on your own!

Hate Free Heroes Tactics is a community based online game and adventure. Help your city reduce aggro levels by building your agency, defeating aggromites and researching new ways of keeping city aggro levels at a minimum. Play from any web browser, PC, tablet or phone.

Paramount Hero is a third-person click-to-move multiplayer game set in an open-world environment. Explore, kill mobs, collect loot, hone your skills, complete quests, and cooperate with (or kill!) other players to become a legendary hero.