Top similar games like Star Sonata 2:

A sci-fi settlement building game with orbital mechanics. Start from a spaceship, scan asteroids, manage fuel, ore, electricity, time, and sanity, while expanding your settlement, exploring an alien solar system, and building stations and spacecraft to support your growing colony.

Kron Wars is a persistent browser-based sci-fi MMO where players trade, mine, build corporations, wage wars, hunt bounties, and control entire sectors across massive player-driven universes with dynamic economies and tactical space combat.

Explore thousands of planets, gather resources, craft warships, and battle space pirates. Form factions, conquer worlds, and build your galactic empire in this vast sci-fi sandbox. Captain — are you ready?

Explore a living galaxy in Stars Reach. Discover new planets, build settlements, and shape environments that react to everything you do. Players work together to transform untamed worlds into thriving civilizations across a single shared universe.

A 2D space agency simulator where every object follows the same orbital physics. Land on moons, build colonies, deploy satellites, and reshape entire planetary systems. Deorbit a moon if you want.

Create Your Own Universe is a survival, crafting, exploration, base building, third person, open world, go anywhere you see on screen space game.

Cooperative real time city building simulator with Swiss flair. Build a town together manage resources and budgets solve quirky everyday problems and experience a world that keeps running even when you are offline.

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.

There are no safe spaces in Harwell. Compete for resources, manipulate the Mars Trade Committee, and outbid rivals in a player-driven economy. Use diplomacy – or sabotage and the black market – to disrupt opponents. Control the rules, control the market, eliminate the competition.

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.

Starfall Protocol is a Starship colony sim with RPG adventures in a galaxy with millions of explorable planets!🌌

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.

47 million probes were launched into the void. Yours just found something alive. A living universe simulation where evolution never stops — not even when you do.

《决战万界山》是一款在洪荒武道沙盒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通往昆仑之巅的机会！

Build ships from scrap and fly them in a gritty space sim. Venture solo or team up. Hunt for parts, haul vital resources, and keep your space agency afloat.

The lite space-sim. Fly, fight, and trade through a galaxy where the prices and borders came from 700,000 days of simulation that keep ticking.

Based off the original Merchant RPG, a new Idle RPG space exploration experience!

Fly through Subspace, build your own ship, and engage in epic battles. Mine asteroids and research new technologies. Uncover the origins of the alien homeworld by solving weekly events in this Co-op PvE MMO.

Solo Indie delivers a local 1-4 player split-screen physics-based create and combat sandbox with scientific tools for PvP or PvE. Replay many unique campaigns. Master your hex build strategy, microscopes, and chemistry skills. Be clever to achieve victory and learn as you go. June NEXT FEST.

ERZ Online is a sandbox MMO where you control mining drones, explore procedurally generated planets, and build underground bases. Automate systems, trade with players, and shape a living world.

As CEO, build your corporate empire! Design space-efficient factories in a grid-based puzzle system. Fund cutting-edge research to optimise production, master complex supply chains, and dominate a living interstellar economy.

2d space combat like no other. From the perspective of a single crew member, explore the fully destructible interior of any ship in a massive living world. Engage in space combat with no hitpoints where you know your enemy is dead when you see them fall out of their ship into the cold dark of space.

Create and destroy on a scale you’ve never imagined!

Land on a new planet as a space refugee. Craft items, build bases, and battle aliens to survive. Pioneer your future in this online survival RPG.

Might of Spells is a open-world MMORPG that brings back the nostalgic charm of the top-down view, offering demanding and engaging gameplay with modern graphics and pure, straightforward PvP, where combat, free from excessive visual effects, allows players to focus on the true dynamics of battle.

Navigate your scrappy ship through the boneyard in search of valuable parts in abandoned vessels. Use salvage to upgrade your ship, or sell it for cash to pay down your mounting debt, or restock fuel, air, or food. Fly and role-play aboard your dream spaceship in this hardcore noir space-sim.

Manage your parcel, build, collect and expend. Research to unlock new possibility. Explore to increase profitability. Dive under the surface to discover secrets. Is this planet hiding treasures or threats?

Star Trek: Infinite is a grand strategy experience that lets you play your own Star Trek story as the leader of one of four major factions in the galaxy. Follow the specially crafted story or blaze your own trail in the first Star Trek grand strategy game.

Soulworld is a multiplayer RPG where players shape the realm building villages, creating Soulbeasts, and forging paths through combat, farming, trade, and exploration. Face the Ashen Circles and uncover secrets in a world driven by community and conflict

Solar Kingdoms is a real-time strategy game where you command forces across solar systems, engaging in large battles both in space and on the surfaces planets. Establish colonies, find resources and artifacts, and fight up to 8 factions in skirmish, large campaign, missions, and multiplayer.

Rise is a persistent science fiction sandbox strategy MMO set on Vieneo, an exomoon about 225 LY from Earth. Use ground, air, and space vehicles to explore this vast open world of 100 million square kilometers in size! You are helping establish a living, breathing world with virtually no boundaries!

Explore a universe of diverse worlds. Jump between adventures, trade, craft, and meet other players. Each world offers unique challenges, while a shared economy and evolving environments let your actions ripple across the entire connected universe.

Celestra is a text-based online RPG in which you’ll play one of the crew on a sci-fi ship exploring the galaxy and trying to save their home. Choose from one of seven departments and raise your skills as you embark on missions throughout the cosmos.

In Spaceflight Simulator, you will get to build your rockets, plan launches and flights, attempt landings, deploy payloads and explore new worlds.

Desktop and VR interactive space experience/game. Fan homage to SpaceX's efforts of inspiring humanity to finally become a spacefaring civilization! Experience launches, flights and landings of starships first-hand, engage with challenging mini-games, explore funny memes and more. :-)

Endless Sky is a 2D space trading and combat game inspired by the classic Escape Velocity series. Work your way up from a relatively wimpy shuttle, cargo ship, or fighter, to a highly upgraded and customized flagship or to a massive fleet of warships or freighters.