Top similar games like Beyond Astra:

Lord of Rigel is a turn-based 4X space strategy game inspired by the classics. In a galaxy divided by two elder races, will you unite with other species or forge your own path? Navigate galactic politics and defeat threats using espionage, research, and military force. How will you shape the galaxy?

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.

Expand your own galactic empire across new stars, research technologies, and challenge great alien powers in this immersive 4X grand strategy game. Build interstellar colonies, and starbases to gather more resources. Explore a unique galaxy full of secrets, great perils, and limitless possibilities.

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!

Astronomics Rise of a New Empire is an easy-to-learn real-time global strategy(4X) game. Control your faction in an intergalactic conflict. Manage your economy, conduct diplomatic negotiations and build a fleet to rule the galaxy.

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.

Take command of your hand-tailored fleet of space warships and use realistic radar, electronic warfare, advanced movement controls in 3D space, and precision targeting to outmaneuver and outwit your opponents in a simulation-heavy tactical space game like no other.

Create a sprawling industrial city. Compete with other rival corporations on Titan for resources, territory, and power. Seek victory via technology, influence, warfare, or the wealth extracted from your citizens. Stake your claim to the Industries of Titan in this innovative sim/strategy game!

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.

Antimatter is a sandbox strategy game, colonise planets, build your city on the surface or the underground. Build your spacestation or control your own spaceships to explore a huge and living galaxy !

Embark on an exciting mission to establish a colony on Titan, Saturn's enigmatic moon. Following Earth's collapse, humanity's fate rests in your hands. Gather essential resources, excel in trading, and combat ancient technology to secure our future on Titan's harsh frontier. Will you prevail?

Control your aerial and ground units using Real-Time-Strategy, OR switch during battle and join your comrades yourself in high-action dogfights and ground battles in Novastride. Dominate enemy civilizations throughout the galaxy and be the great strategist to lead your nation to victory.

「Reshaping Mars」is a colony simulation game on Mars, you will start by gathering resources, storing food, accepting immigrants, and building a better colony together. Develop powerful technologies for Mars Reshaping, make Mars great agai..sorry, just great. Don't forget to make the residents happy.

Take the helm of a cutting-edge space agency with the mission to explore and exploit the Solar system. Realize the historical, and futuristic mission to establish humanity as the Interplanetary species.

Conquer a vast procedurally generated star system in Falling Frontier, a sci-fi RTS where intel and logistics are decisive factors. Design ships and raid enemy supply lines, lay minefields and construct recon stations, and ambush enemy forces within asteroid fields and nebulae.

This Goblin Tribe Simulator brings a challenging blend of chaos and creativity to the city-building genre. Build dwellings, manage your resources, defend your goblins, and grow your tribe to face other races and even the Gods! Do you have what it takes to control the chaos and rule the unruly?

Manage a space station, flying through a procedually generated universe, fight, build and survive in the coldness of space.

Humanity has achieved the final frontier, but human nature haven't changed. NULLSPACE is a real-time strategy game where players lead massive fleets in deep space battles between various intergalactic human colonies.

Gate Builders is a sci-fi turn-based 4X strategy game. Build space stations, manage work force, exploit, trade and transform resources. Face space pirates and enemy factions. Build, Expand, Thrive!

Command an interstellar empire in this 4x grand strategy game and direct your civilization's development through the cosmos. Expand into the galaxy, colonize star systems, exploit resources, and build your empire to greatness. Care for your citizens with benevolence or rule with military conquest.

HARD VOID is a 4X turn-based space strategy game in a lovecraftian universe. Lead your species across galaxies and multiple dimensions to build an Empire. Design your spaceships, assemble your fleets and fight for supremacy. But beware, unthinkable Eldritch horrors lurk in the vast darkness.

A deep starship colony sim. Build your starship, manage air, water, food, fuel, energy, temperature and psychology to keep your crew alive across vast distances. Closed-loop system in space. Mining, wiring, plumbing, in-ship factory, (alien?) radio signals & translation, diplomacy, combat, and more.

Create a Company, Build structures, Collect Resources, Make Investments and Speculate on Assets. Carefully manage your Workforce, Finances, Resources, Shareholders, BOD & Political Partnerships.

Let's Build Wonders: Galaxy is a planetary fantasy-themed casual strategy game that combines simulation, light socialization and light strategy. In the game players can freely develop and build their own cities, set up layouts and develop planetary resources.

Design, build and control your own space station. Mission command and control is in your hands and only careful planning and vigilant supervision will keep your crew and space station safe.

AEU is a fast paced realtime strategy and 4x hybrid. Players influence their empire to grow, fight, forge alliances or engage in trade. Players are given control over the empire's traits, research and a set of three types of abilities(Construction, Plagues and Agents) to accomplish their goals.

It's 1347, the time of the Hundred Years' War. In this historical grand strategy and RTS hybrid you play as one of 200 minor lords across medieval Europe, Africa or Middle East. Rise up to take over your Kingdom and be crowned, then fight to preserve your empire as Black Death descends on Europe.

Take the helm of a state-of-the-art warship as you fight epic space battles in a sandbox campaign. Upgrade and customize your ship, master the art of maneuvering, and use a blend of tactical prowess and heavy firepower to overcome deadly threats.

Non-violent 4X strategy game with disasters. Build the peaceful kingdom of Atlantis into a flourishing civilization. Plan carefully or be ready to adapt as angry Gods rain down disasters from on high.

Take control of a fleet commander returned from exile, rise through the ranks of the United Space Federation forces and join an epic war across the stars.

Conquer Medieval Europe and North Africa in a combination of Grand Strategy and Real-Time Strategy gameplay where you rule one of 28 kingdoms as you build and manage your cities, engage in diplomacy and command massive armies on the world map and on the battlefield

Cosmonautica is a fresh take on space trading in a procedurally generated universe, paired with quirky humor for your intergalactic enjoyment.

Compete in this realtime 4x game in full multiplayer. Explore, Expand, Exploite and Exterminate in this sandbox universe where the players are in full control. Build on planets, Fight in space, Design components to better develop your research.

Build your spaceship, manage your crew and explore the cosmos whilst trying to keep your crew alive and your ship fully functioning. This game utilises an events driven director and simulated ship systems to ensure gameplay is kept challenging and every game you play has a different story to tell.

EraTurn: Embark on an epic journey in this turn-based strategy game, shaping your civilization across the ages. Skillfully manage resources, advance technology, and expand through conquests, all while bearing witness to the world's evolution and transformation.

Engage in real-time battles with customizable space warships. Explore the galaxy, forge alliances, develop powerful ships, and defeat alien invaders.