Top similar games like Asterium:

In this 4X + RPG strategy game, lead humanity’s last ark and rebuild a new home among the mysterious ruins of the stars. Starting from nothing, you will develop technology, build powerful fleets, resist external threats, and shape the rebirth of human civilization.

Command a space-faring empire in Sins of a Solar Empire: Rebellion, the new stand-alone expansion that combines 4X depth with real-time strategy gameplay.

Start with your own character and a small ship in a world that lives independently of the player. Develop your skills, explore space, trade, build industry, and grow your fleet to survive real-time battles against hostile fleets—and something far more terrifying lurking in the darkness.

Existence is a strategy game on a massive scale. Lead your expanding empire, explore the galaxy, and master simultaneous space and planetary battles. Engage in solo play or team up with friends for intense PvP and co-op action.

A first person building game where every problem is solved with pipes.

Build your society of the future, colonize islands, and create sprawling megacities with multitudes of buildings, vehicles, and resources to manage.

A real-time space strategy MMO where your colony keeps working, your fleets keep moving, and the galaxy remembers every choice. Travel in real time, watch every battle resolve, raid and ally across one living galaxy that resets every 6 months. Free to play. No pay-to-win, ever.

ENDLESS Space™ 2 is a Strategic Space Opera, featuring the compelling “just one more turn” gameplay, set in the mysterious ENDLESS Universe™. As the leader of your civilization, will you impose your vision and build the greatest stellar empire?

Command a deep space rescue operation in this space management game, where you manage a fleet of ships, build bases, coordinate resources distribution, and explore uncharted planets to find and save the scattered crew of the ISS Celestia.

A fast-paced 4X galaxy you can actually finish. Expand by colonising and besieging rival worlds, wield government powers that bend the rules - freeze enemy fleets, sever hyperlanes, vanish into stealth - and race rivals to claim the galactic core. A grand-strategy empire in an evening, not a month.

Clear out space battlefields using a physics-based grappling hook. Salvage wreckage, recycle it into resources, upgrade your equipment, and grow your salvage business to unlock increasingly lucrative contracts.

A deep 2D strategy of cosmic trade and faction warfare. Build trading empires, refine asteroids, lead fleets into battle and run faction politics — solo or in four-player co-op

ENDLESS Space™ is a turn-based 4X strategy game, covering the space colonization age in the ENDLESS Universe™, where you can control every aspect of your civilization as you strive for galactic domination.

Take control of your own starship and blaze your trail in an ever-changing galaxy. Master the arts of combat, mining and trade or venture out into the unknown across a 1:1 scale universe.

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.

Choose your own adventure in this open-world humanity expansion space simulation. Travel beyond the constellations to new frontiers. Explore, collect resources, supply the expansion efforts, or go battle it out spaceshooter style. Do we seek Galaversal Supremacy or peace? You decide !

A lo fi space salvage game. Strip dead warships for parts, fuel and gear. Fit your ship, manage your heat, and fight the machines that still hunt out here. Two hundred star systems, thousands of rolled drops, stations to build up. Made by one person. Trust nothing. Stay adrift.

Desynced is a sci-fi strategy game with fully customizable units and behaviors. Gather, build, research, and explore the unknown. Alone or with friends, unveil the mystery of an AI on the edge of self-awareness and uncover the hidden truth in this blend of strategy, automation, and exploration.

Lodestar sends you and your squad of friends on your own space odyssey. Traverse multiple planets in a journey to get home without losing yourself or your ship to the perils of the unknown! Solve puzzles, gather resources, mine asteroids, and survive... with your own oh-so welcoming AI sidekick!

In this turn-based tactical combat RPG, lead your heroes across a medieval world inspired by Celtic mythology and uncover the source of a terrible plague. The God of Death has returned, unleashing a blight before him. Choose your allies, shape your party, and make the tough choices.

ENDLESS Legend™ is a 4X turn-based fantasy strategy game by the creators of ENDLESS Space™ and Dungeon of the ENDLESS™. Control every aspect of your civilization as you struggle to save your homeworld Auriga. Create your own Legend!

Strategy from the front lines! Starpoint Gemini Warlords combines 3rd person capital spaceship combat with 4X strategy and RPG gameplay elements. Build mighty war fleets and send them into battle or lead them into combat yourself. Become the Warlord and conquer the Gemini system!

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.

Order: The New Dawn is a colony sim with space adventure. As a legendary captain from the United Stellar, build a base on the desert planet New Terra and face the perils of the Wastespace—how will you shape the destiny of the stars?

CircuitVeil is a Single-player / Multiplayer isometric factory game where you boot an artificial mind. Mine the substrate, build production lines, specialize as Engineer, Defender, or Prospector, and send your factory's output through the off-world transfer beam.

Play campaign stories within the Galactic Ruler universe. Invade the galaxy to eliminate those who stand in your way or rally alien races to defend against the invaders. Fight battles at both planet and space across a procedurally generated galaxy. Use new unit control systems to manage your forces.

Galactic Ruler offers real time strategy game play at both planetary level and in space! Lead your faction in diplomacy or conquest across a procedurally generated galactic map where any system might hold hostile enemies or resource riches. Develop advanced technologies to rule the galaxy!

Let’s Build Wonders:Galaxy is a multiplayer cooperative space-building game. In the game, members within each alliance achieve efficient resource sharing and division of labor through trade transportation means. They work to expand their alliance's galactic territory to resist pirate harassment.

Star Zeal 4x is an open world space based strategy and rpg hybrid with elements from the 4x genre and survival mechanics sprinkled on top of it. Highly emergent gameplay within an open world persistent galaxy is the core purpose and idea of the game.

Build and defend a growing industrial colony on a hostile alien world. Mine resources, automate production lines, expand a massive factory, and protect your territory from relentless alien attacks in this top-down 3D strategy game.

Galactic Simulator is a clicker game based on the Fermi Paradox and the Great Filter theory. Players can simulate the evolution of celestial bodies and civilizations in the galaxy from an observer's perspective. The game supports multiplayer mode. Create a unique galaxy with friends!

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.

Explore a galaxy full of wonders in this sci-fi grand strategy game from Paradox Development Studios. Interact with diverse alien races, discover strange new worlds with unexpected events and expand the reach of your empire. Each new adventure holds almost limitless possibilities.

Take command of a civilization that has just achieved faster-than-light travel in Galactic Civilizations IV, the newest entry in the award-winning space 4X strategy game series. Explore the galaxy, colonize worlds, shape cultures, make alliances, fight wars and pioneer new technologies.

Play a grand strategy game in any world you want, on land or in space. Import real maps, play a procedurely generated world, or hand-draw your own fictional universe. Then lead your faction to domination by managing its economy, diplomacy, and military. 

Humanity is racing through space on the wings of hope, away from the emerging threat of a cosmic cataclysm that could spell extinction. And mysterious aliens with powers beyond imagining follow them everywhere they go.