Top similar games like Nova Era:Atom :

Entropia Universe is a unique massively multiplayer online game (MMO) where virtual assets hold real-world value and players can participate in a thriving virtual sandbox economy.

The beginning of an exciting MMORPG.

In this multiplayer game you have to explore the Solar System in real scale. Control spaceships of the near future, explore planets, moons and asteroids, mine resources, fight for space domination and build the future of the universe.

Galactic Annihilation offers a revolutionary space MMORPG experience. Explore diverse maps, defeat challenging NPCs, rise in the ranking system and master exciting PvP duels in the Star System. Immerse yourself in a unique space adventure full of challenges and rewards.

Stars Reach is a sandbox science-fantasy MMO where you explore deeply simulated living worlds in a shardless galaxy, fight aliens in action combat, and live in a fully player-driven economy full of peaceful ways to play. You and your friends can govern a planet!

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!

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.

Mars has been colonized, and Earth's corporate titans fight to dominate this new market. Competition is fierce in this fast-paced economic RTS from Civilization IV Lead Designer, Soren Johnson.

Command 25 ship variants with 20+ upgrades in a living, multiplayer galaxy. Explore, trade, mine, and fight epic real-time battles. Forge alliances or betray rivals—your choices shape the universe. Dive into stunning space combat now!

Severed Lands is an open-world sandbox MMORPG featuring crafting, base-building, a player-driven economy, full-loot, and sieges. Flourish as warriors, merchants or seasoned professionals. Severed Lands provides the freedom to pursue your desired goals and discover the optimal path to attain them.

《决战万界山》是一款在古老东方洪荒武道世界中收集盖世神功的宗门团战网游。修炼神功，开宗立派，积攒财富，携手同门在激烈战斗中与宿敌争夺一统江湖的机会！

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.

Andromeda is a hybrid between a space 4X and an MMO for Android and PC. Get dropped into an online universe sandbox with 2 galaxies full of planets to colonize. Build structures like Mines to generate resources to build ships and engage in fleet battles with NPCs and other players.

A hardcore 2D MMO sandbox where survival depends on your skill in trade and combat. A world with a living economy and full loot that functions even when playing solo. Become a trade magnate, pirate, mercenary, or ruins explorer in this post-apocalyptic machine-world simulator.

City of Cats is a fun, cozy sandbox game where you live the ultimate feline life. Explore streets, alleyways, houses, and parks as a mischievous cat, meowing, napping, and causing chaos wherever you decide to do so. Give in to your inner cat..

Astellia Royal is an online MMORPG focusing on strategic battles with Astels(summoned creatures) where CCG factors are added. Various PvP and PvE contents spreading out in vast fields are offered, such as the breathtaking battle between three factions, dungeons, life contents(crafting, gathering).

Battles for Glory is a free MMORPG where opposition of parties and control of the world map are combined.

In Wandaria, use magic to survive against creatures, rivals, and world dangers. Build, cultivate, and explore mysterious lands. Form alliances or defend your domain. Magic is your greatest weapon.

Guild Wars 2 is an award-winning online roleplaying game with fast-paced action combat, deep character customization, and no subscription fee required. Choose from an arsenal of professions and weapons, explore a vast open world, compete in PVP modes and more. Join over 16 million players now!

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!

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.

Burn down the server in this upcoming survival mmo

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 celebration of the 25 yr anniversary of the first release, this compendium contains all 4 games in the Battlecruiser 3000AD series which was first released in 1996.

Dune: Awakening is an Open World Survival RPG where you can fully immerse yourself in the epic world of Dune. Alone or with friends, explore a vast open world Arrakis, survive the sandworms, build a home, craft an ornithopter, and unravel the mystery of the missing Fremen.

Grab your cape and defend Millennium City in this comic book-style action MMORPG! Design your hero and costume from thousands of costume pieces, face super-villains like Dr. Destroyer, and create your own unique nemesis.

A survival game set in the Ice Age where man and animal collide, work together with others or attempt to survive alone in these frozen lands.

Veyora is a medieval open-world RPG with survival and farming elements. Choose your spot, build a farm, home or base, explore the world and play solo or with friends.

Legends of Aria Eternal is a sandbox MMORPG where players shape the world. Now with faster skill gains, a reworked prestige and enchanting system, full in-game knowledge base, and powerful new tools to run your own custom server.

An expansive MMORPG with no level cap, player-created dungeons with customizable buffs, dynamic town invasions, and storm events. Explore realms of spirits, dragons, and the dead, summon monsters with loot scaled to you, and build your perfect adventure with unique pets!

Real-time strategy game with commander task control. Pilots-Mercenary, each with their own character, and many unique ships for them. Interesting missions. Base development, various technologies and space exploration.

Pictorial Pie is a large multi-person online role-playing game in the Xianxia sandbox. With the growth of martial arts, the construction of the Zongmen and the Cave, and the free PVP battle, dangers and opportunities can be seen everywhere.

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!