5th Frontier, The New Space Race
A 4x Turn-Based Single Player Strategic Space game. Design and build Your own space ships, planet and battle-stations to conquer the Galaxy.
The top results based on the latest update are ENDLESS Space™ - Definitive Edition [Score: 1.1], Stellar Ascendancy [Score: 1.0] and Pax Nova [Score: 1.0] The top rated games you can find here are Sid Meier's Civilization® III Complete [SteamPeek Rating: 8.0] ranked #17, ENDLESS Space™ - Definitive Edition [SteamPeek Rating: 7.4] ranked #1 and Master of Orion [SteamPeek Rating: 6.9] ranked #10 Also don't forget to check the newest releases Order: The New Dawn [Release date: 2026-10-16] ranked #16, Shattered Spheres [Release date: 2026-04-17] ranked #13 and Exodus: The Colonization of Space [Release date: 2025-12-01] ranked #29 While it is tempting to play with the newest and the best, there might be some other gems in the results, like Halcyon 6: Starbase Commander [SteamPeek Rating: 6.0] ranked #15, Sid Meier's Civilization® III Complete [SteamPeek Rating: 8.0] ranked #17 and Sid Meier's Civilization®: Beyond Earth™ [SteamPeek Rating: 6.1] ranked #19.
A 4x Turn-Based Single Player Strategic Space game. Design and build Your own space ships, planet and battle-stations to conquer the Galaxy.
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.
Build an interstellar civilization in a turn-based 4X strategy game. Explore a configurable galaxy, colonize new worlds, design warships, manage a complex economy, and outmaneuver rival empires through diplomacy, espionage, or war.
A sci-fi turn-based 4X strategy game where you lead the fate of one of several factions divided between three races. Explore new worlds and new star systems filled with exciting secrets as well as dangers. Build cities, expand your influence and fight great battles on land and in space.
Kepler-186e, Humanity's first colony — on a world that is not theirs. Lead the Kaiserreich in turn-based hex strategy against the Ordo Arachnis, a swarm intelligence with no commander. Research, build, supply, fight. Survive.
Found colonies, create spaceships from modules, colonize planets, form alliances and destroy your opponents in a turn-based game.
A retro space strategy RPG with base building, deep tactical combat, crew management and emergent storytelling. Halcyon 6: Lightspeed Edition is a massively enhanced version of the Award Winning indie strategy RPG, Halcyon 6.
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!
From the creators of AI War: Fleet Command comes an all-new grand strategy title with turn-based tactical combat, set in a deep simulation of an entire solar system and its billions of inhabitants. You are the last of a murdered race, determined to unify or destroy the 8 others.
Build a living civilization from a single village. Guide your people across a dynamic landscape of rivers, farms, trade routes, and rival kingdoms as your society rises from the dawn of history.
The ascendant spacefaring 4X strategy game returns! A new chapter in the epic Master of Orion saga is poised to once again capture the imaginations of millions of gamers.
Horizon is a turn-based space strategy game of galactic exploration and conquest in which you are in control of humanity’s destiny. You will explore deep space, find new frontiers and discover alien artifacts hidden on long-abandoned planets.
Galactic Civilizations is a space based strategy game in which you are in control of humanity's destiny.
Shattered Spheres is a turn-based 2D space 4X strategy game inspired by the classics of the genre. Explore a living galaxy, build your empire, and crush your rivals through military conquest or diplomatic cunning — without the micromanagement bloat of modern 4X games.
Take command of humanity’s last survivors and rebuild an empire in the stars. In this immersive turn-based strategy game, you will have to fight to protect your people, control rival factions, and unlock lost technology.
Halcyon 6: Starbase Commander is a retro space strategy RPG with base building, deep tactical combat, crew management and emergent storytelling.
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?
Sid Meier's Civilization III: Complete, the latest offering in the Sid Meier's Civilization III franchise, provides gaming fans with Sid Meier's Civilization III, the highly-addictive journey of discovery.
The children of long-extinct humanity desperately search for the legendary artifact system of Sol. Search for Sol is a sci-fi 4X in the tradition of Reach for the Stars, Master of Orion, and Star Traders. Control Sol for 50 years to ascend to flesh once again.
Sid Meier’s Civilization: Beyond Earth is a new science-fiction-themed entry into the award winning Civilization series. As part of an expedition sent to find a home beyond Earth, lead your people into a new frontier, explore and colonize an alien planet and create a new civilization in space.
In Battlestar Galactica Deadlock™ you’ll take command of the Colonial Fleet in defense of the Twelve Colonies during the First Cylon War. Lead many different types of ships in this 3D tactical game. Every decision counts, your strategy will be vital – can you ensure mankind’s survival?
Interstellar Space: Genesis is a turn-based space 4X strategy game in which you attempt to build a thriving galactic empire. Discover mysteries among the stars, colonize worlds, and engage enemies in tactical turn-based combat on your journey to becoming the ruler of the galaxy!
Cardalaxy is a card upgrading game with 4X inspiration and 5+ different victories.
A 4x global turn-based strategy game with a well-developed economic and military model.
Asymmetric space empire builder where you feel like the Emperor, not a logistics officer. No micromanagement, grand scale, fast paced, audiences, assassins, imperial court, disloyal admirals.
VALTERION: THE LOST EARTH is a sci-fi colony-building strategy game. Lead 50 survivors on Elyra, build a thriving colony, develop its economy and research, return to the stars, and search for the lost path back to Earth.
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.
Command interstellar forces in this epic return of the 4X strategy classic. From planetary politics to galactic warfare, the stakes couldn’t be higher as you lead your Royal House through battles on land, sea, air, and the vast reaches of space.
Set up your base, gather resources and build a defensive perimeter with walls and towers to protect your outpost from waves of enemies. Research new tech, gather your forces and send your units and mini-units to annihilate the enemy.
Colonize a galaxy in 256 colors! In this RiscOS gem from 1997, the fate of human civilization lies in your hands. Travel the stars, claim uninhabited planets or fight over them against your alien opponents. Your ultimate chance to relive the original experience, on the PC for the first time ever.
「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.
Terraform, strategize, and construct a Martian colony in this retro-inspired turn-based city builder. Create a comfortable living for your citizens, research alien artifacts, and uncover the secrets of the Red Planet.
Ultakia is a turn-based space 4X strategy game with distinctive resource management. Explore exotic systems and acquire powerful technologies. Exploit your planets, trade with other races and destroy those who stand in your way.
Laser Skirmish is a puzzle game based around planning different ship compositions to beat the enemy.
Lead your civilization in a galaxy brimming with life and intrigue. Seamlessly explore and expand across uncharted worlds, from their surfaces to the stars. Forge your destiny in this sci-fi 4X offering a unique blend of grand strategy, planetary city-building, and RTS combat.
Expand your empire one sector at a time in a fast-paced turn-based 4X strategy game. Capture planets, harvest resources, command powerful fleets, and adapt your strategy with unique Emperors and unpredictable divine interventions. Play solo, or challenge rivals in tactical PvP.
4X/Grand Strategy/RTS Hybrid universe simulation featuring land/air/sea/space-based combat.
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