Top similar games like AstroRealms:

The Spatials are back with Galactology! Design, build and protect your colony station from the many enemies you will make while exploring the galaxy and exploding their homeworlds.

Welcome to the world of space stations! Create your own space base with workplaces and production facilities. Ensure sustainability and safety, explore space, defend your base, and build diplomatic relationships. Be vigilant and successful!

AstroCore Mining puts you in charge of a colony where profit is everything and survival is fragile. Extract resources, balance factions, and face pirates and unrest. Lead not just a colony but the future of a nation in the brutal reality of space capitalism. Join to the Playtest now!

Spaceship Idle is an idle/incremental 4X grand strategy auto battler where you build your own spaceship and engage in space battles. Research a vast tech tree, equip unique weapons, unlock powerful upgrades, construct bigger and better ships, win epic (auto) battles, and conquer the galaxy!

Experience a city-building game, where the citizens are fully simulated and every decision you make impacts their lives. From the Stone Age to the Iron Age and beyond, watch your civilization evolve and progress under your guidance.

Hill Sphere is an in-depth Space 4X/Grand Strategy game with a strong focus on realism, economic and logistical depth. Lead your nation into a sector full of rival powers and win through ingenuity, clever planning, and industrial might!

Prove your political brilliance in a grand strategy like no other: pick any contemporary country, set up your government and navigate the pitfalls of domestic and international politics. A glorious destiny awaits - the domination of not just the Earth, but the whole Solar system!

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?

A grand strategy game built on a deep economic simulation and orchestrated by an intelligent AI storyteller. Ensure the survival of your domain at the edge of the galaxy: colonize worlds, manage populations, navigate politics, design custom goods, and master dynamic markets.

SpaceFlight Factory is an Automation and Base Building game with some survival game mechanics.You lead a small colony of human remnants. Help them to survive, expand and gather enough resources to leave Earth for their new home planet.

Build stations above picky planets, match modules to what the locals actually want, and grow a trade empire that earns while you're away. Court the factions or cross them on the road from your first rattling fusion can to a megastructure that tames a black hole.

Riftborne is a classic terminal based, real time, grand strategy game. Construct space ships. Take part in factional warfare. Hire galactic hit-men on your rivals. Raid neighbors for rare resources. Train spies to infiltrate enemy bases for key intel. Grow your empire to dominate the galaxy.

Command any of 261 real-world countries in this 2026 grand strategy game. Build your economy, lead armies, and navigate deep diplomacy. Features built-in modding support and 12 supported languages. Shape the global order through espionage, nuclear deterrence, and AI-driven geopolitics.

Manage a colony of people who woke too soon from their cryo-sleep. Build and manage a working generation ship and hopefully one day the grandchildren of the first generation might land on a habitable planet.

Empires Edge is a strategy game about building a civilization on floating islands, inspired by the classic Mega Lo Mania. Lead your people, achieve technological breakthroughs, and conquer new territories as you forge an empire at the edge of the Universe.

Between Two Stars is a 2D procedurally generated space exploration game. Players take control of a starship, as part of a simulation on behalf of the Orpheus Corporation and explore the Sierra Galaxy to discover new worlds and new materials with which to trade, craft and build bases.

Nebula miner puts you in control of a space mining company. A real time resource management game where you need to explore space to find resources, and then harvest them efficiently.

A real-time naval strategy game set in an alternate-universe archipelago. Design your own warships and aircraft, refine resources to fuel a war economy, then command fleets to launch carrier strikes, hunt submarines, and seize islands.

Build a living interstellar civilization in a grand-strategy game where every colony, fleet, frontier, and political decision shapes the fate of your empire.

Rule a living interstellar empire in this real-time 4X grand strategy. Make decisions that shape civilian lives, manage fragile supply lines, lead military conquests, and decide whether your civilization thrives or collapses under its own expansion.

Survival is temporary. Legacy is forever. Rule the last colony on Mars in this RTS x Colony Sim. Build domes for colonists as they harvest crops to survive, and command Mech armies against endless Marsect swarms. With hostile enemies and climate threatening your expedition, every choice matters.

A turn-based grand strategy about the exploration of the Solar System. Use technologies — from existing prototypes to near-future engineering concepts. Build a space industry and become the leader of a new era.

Take Command of a Space Corporation in the Sci-Fi Simulator Solargene! Manage personnel, design and develop colonies and orbital stations across the solar system! Mine resources, establish logistics, research cutting-edge technologies, trade, and complete missions

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.

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.

A Sci-Fi colony and strategy sim with a complex economy, immersive logistics, and a war against the rise of the machines! Build your colony and ensure supplies for your people. Automate industrial ships and create combat groups to defend against waves of enemies.

Dig, find valuable resources, and make your colony prosper in Dig a Little Deeper. An accident has taken your small group of colonists to an inhospitable and unknown planet. Only with your leadership and your management skills you will be able to build a new home. Let's start digging!

Novalast is an immersive 2.5D Space RTS with full physics based combat, putting you in the Captain's chair of powerful starships. It features a fully physicalized logistics and supply system, where Nolithium supply matters. Run out of Nolithium, you're dead in the water.

Build a water park worth queuing for in this free tycoon game. Design twisting slides, create lively pools, and keep guests happy. Grow a profitable resort, tackle park challenges, or build without limits in the Creative Lab.

As the AI responsible for a Generation Ship, you are humanity's last hope. Build efficient raw material cycles and help your crew in a realistic real-time simulation to survive the challenges of space on their long journey to a new home!

Auto-Astra blends voxel-based construction with deep 4X automation. Design ships and stations, then write or use pre-made LUA scripts to automate your galactic empire. Strip asteroid belts, manage trade routes, and program tactical responses to enemy threats. Your logic, your empire.

Orbit Engineer – Build, grow, and survive in your own space station. Manage crew morale, supplies, and research while facing unpredictable space events and system failures. Every decision matters as you expand and fight to keep your station alive in space.

Project Sol is a Sci-Fi colony sim set in the future when you civilization is just beginning to reach for the stars. Take control of your Empire, build massive orbital satellites, defend from roving pirates, and conquer the galaxy!

"Peace and Prosperity" is a independently developed ink-wash style historical strategy game set in an alternate pre-Qin period of China. Starting from a small village of just a few hundred people, and conquer all sides to gradually build their own vassal state with millions of people.

Antimatter is a 4X strategy game set in a vast, living, and fully simulated galaxy of immense scale and depth. Become anything from a humble spaceship captain to a galactic emperor, and everything in between.