
Solar War
A turn-based grand strategy game in space, set in the near future: Defend Earth against an alien invasion from the edge of the Solar System and…
Hooked on the replayable side of Starforge? You might settle into these games easily.
After assuming command of one of four human or alien factions vying for galactic dominance, immediately define your game’s scope. Play for minutes to hours across tens to hundreds of planets in single-player skirmish or multiplayer modes—it’s entirely up to you.
Replayable
A sci-fi turn-based stategy game, where you settle, terraform, and invade other planets. Replay with different species, each offering a unique experience for robots, aliens, humans, or insects.
Replayable
A sci-fi survival RTS where you build a colony on a hostile planet while waves of alien Goo close in. Expand, fortify and call down orbital fire from your ship overhead, then hold the line. Captains level up, factions play differently, maps are procedurally generated, and every run dares you to last a little longer.
Replayable
A classic 4X strategy game from 1996: colonize a randomly generated galaxy, research 60 technology fields, trade with alien races and build fleets to beat back the Antarans. Easy to learn, hard to put down, and still the game people measure every other space empire builder against.
Replayable
Discover a space strategy game filled with conquest, betrayal and subterfuge. Build alliances, make enemies and fight your way to victory and galactic domination. Will you conquer the galaxy?
Replayable
A turn-based grand strategy game in space, set in the near future: Defend Earth against an alien invasion from the edge of the Solar System and expand your campaign to push them back to their base.
A turn-based space 4X in the spirit of the old classics: explore nearby stars, settle worlds, grow a fleet from a few destroyers to planet-destroying Dread Stars, and win the galaxy by diplomacy or force. Streamlined empire management, sharp tactical ship battles, seven factions and a comic-book look make it easy to learn and hard to put down.
Replayable
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.
Replayable
Ancient Frontier is a turn-based strategy RPG set in the far future. You command the fleet. Buy new ships, outfit them with crew and equipment, then deploy and destroy the enemy. Take control of massive fleets of capital ships and support craft as you play through two unique campaigns.
Replayable
An old-school real-time strategy on a frontier world, where three very different factions fight over the same pools of resource. Build a base, grow an army, and if you survive long enough, walk a game-ending Epic unit onto the field. Easy to pick up, hard to master.
Replayable
A 4X space strategy from 2405, when humanity's first faster-than-light drive meets an alien attack on Earth. Six races with genuinely different ways to travel the stars, a randomized tech tree, hands-on ship design and real-time fleet battles. Turn-based empire building that plays differently every time, alone or with up to eight players.
Replayable
Terrorize the galaxy for fun and profit! Space Tyrant is a surprisingly deep beer & pretzels strategy game set in a darkly humorous future. Build a mighty space force, disintegrate peaceful aliens, and rule irresponsibly on your relentless march to total domination.
Replayable

A turn-based grand strategy game in space, set in the near future: Defend Earth against an alien invasion from the edge of the Solar System and…

Starforge Incremental is an action packed bullet-hell with fast paced combat.

The third game within the Space Empires series brings the dawn of a new age of exploration.

A strategy game about space (location) in space (cosmic). Colonise the galaxy with a thousand clicks of a mouse. Winner of DreamHack Austin Jam!

"Forbidden Planet" is a Space Strategy and Tower Defence like Game.

Assemble your fleets, fill your silos with nuclear warheads, conduct research, gather resources, and wage war in a vast galaxy in this unique take…

Mini Gal4Xy is a light strategy game set in space.

Into the Void is a strategy RPG and exploration sci-fi game with an epic story and intense battles.

Imperium Galactica. The Universe is yours... if you can handle it. The fourth millennium. Mankind has colonised the galaxy. Created an Empire.

The hit mobile game Interstellar Pilot 2 has come to Steam. Join the TEF forces heading to the Gatopean sector to find a new home for mankind.

Wake on a ruined planet, terraform it back to life and fight off everything that wants it dead again.

Lead a faction of ideologues across an alien world, out-think six rivals and shape a whole planet's future one turn at a time.

Grow a settlement on a hostile world, wall it in, and answer the Goo with orbital fire before they reach your gates.

Steer one of seven factions through an alien arrival, from covert politics on Earth to fleet battles across the Solar System.

Gaia Project is the digital adaptation of the boardgame Gaia Project created by Helge Ostertag and Jens Drögemüller and published by "Feuerland…

Build extraction and processing networks, fight for control points, and outlast an enemy that wants the same ore you do.

Build a turn-based galactic empire your way, from first colony ship to tactical battles between the stars.

Play cards to settle planets and build developments, racing rivals to the strongest tableau before the last round ends.

Terrorize the galaxy for fun and profit! Space Tyrant is a surprisingly deep beer & pretzels strategy game set in a darkly humorous future.

Colonize planets, outresearch rival empires and grow a fleet strong enough to face the Antarans, one turn at a time.

Rebuild an empire on the ruins of a fallen galactic one, one turn-based battle and colony at a time.

Guide an alien race from one home planet to a galactic empire, one turn at a time.

Assemble your fleets, fill your silos with nuclear warheads, conduct research, gather resources, and wage war in a vast galaxy in this unique take…

Halcyon 6: Starbase Commander is a retro space strategy RPG with base building, deep tactical combat, crew management and emergent storytelling.

A board-game 4X that finishes in one to two hours. Explore a new hex galaxy, research techs, build fleets from scouts to Dreadnaughts, and hunt down…

Build a massive multi-deck starship and lead colonists across the galaxy. Gather resources in space or land on alien worlds for supplies.

High-stakes, turn-based 4X space strategy distilled into intense matches of about an hour.

Steer one of seven factions through an alien arrival, from covert politics on Earth to fleet battles across the Solar System.

A Planet of Mine Mastermine Edition is a cozy 4X game with mass strategy!

Stellar Reach is a 4X hard sci-fi strategy game where you control a faction vying for dominance across a hostile galactic frontier.

Lead mankind's exploration into outer space! Build bases on the Moon and Mars, survey the rings of Saturn, and send generational Colony ships to…

you will play as Gaia, the shattered will of a planet, and command your spaceship to explore new worlds, collect and refine various resources, build…

Lord of Rigel is a turn-based 4X space strategy game inspired by the classics.

Beyond is a sci-fi turn-based strategy game set in a generated solar system that orbits a distant star every round.

A graphical multi-player play by turn war game that simulates combat in space between galactic empires.

Grow a settlement on a hostile world, wall it in, and answer the Goo with orbital fire before they reach your gates.