Games like Interstellar Space: Genesis

If Interstellar Space: Genesis left you wanting something replayable, you have options. These games are worth a look next.

Galactic Civilizations IV
Lead a young starfaring civilization from its first faster-than-light flight to galactic power. Explore procedurally generated galaxies, colonize worlds, design fleets, out-talk or out-fight rival empires, and win your way: by conquest, culture, diplomacy or prestige. Every run plays out differently, and no two empires feel the same.
Replayable
72% of 2,243 Steam reviews are positivePlayers online now: 275$39.99
Stars in Shadow
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
77% of 735 Steam reviews are positivePlayers online now: 17$24.99
Dominus Galaxia: KS Edition
Dominus Galaxia is a 4X space strategy game with a focus on amplifying strategic decisions and minimising non-strategic busywork.
Replayable
83% of 251 Steam reviews are positivePlayers online now: 6Free
Master of Orion
A remake of the classic space 4X: pick one of ten races, colonize a galaxy of up to a hundred solar systems, research over 75 technologies and win by conquest, diplomacy or science. Slower and more diplomatic than its ancestors, with a full orchestra behind every turn you swear will be the last.
Replayable
76% of 7,354 Steam reviews are positivePlayers online now: 292$24.99
Space Empires IV Deluxe
A turn-based space 4X where you build an empire from one home world to Dyson spheres. Design your species, design every ship, research across a huge tech tree, and reshape whole star systems. It looks its age, but the depth keeps pulling you into one more turn.
Replayable
87% of 260 Steam reviews are positivePlayers online now: 24$9.99
Horizon
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.
Replayable
58% of 377 Steam reviews are positivePlayers online now: 1$29.99
Star Traders: 4X Empires
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
61% of 61 Steam reviews are positive$9.99
ENDLESS Space™ 2
A turn-based space opera where you lead one of eight wildly different civilizations across a galaxy littered with the ruins of the ENDLESS. Colonize systems, steer senates, design ships and chase the truth about Dust. Gorgeous to look at, backed by a superb soundtrack, and built so each new empire plays like a different game.
Replayable
83% of 17,333 Steam reviews are positivePlayers online now: 254$39.99
Lord of Rigel
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?
Replayable
68% of 118 Steam reviews are positivePlayers online now: 4$19.99
Distant Worlds 2
A vast pausable real-time 4X space strategy game. Generate a galaxy of up to 2,000 star systems, run an empire where every freighter and fleet is simulated, and decide how much of it you want to control yourself. No two galaxies play out the same.
Replayable
71% of 2,676 Steam reviews are positivePlayers online now: 134$49.99
Star Ruler
Take command of a vast interstellar empire and safeguard your species from total extinction in a procedurally generated 3D galaxy (with the option to flatten it) from 1 System to 10,000+! Prove your species' ingenuity through a deep and intricate combat system where anything (from individual components on ships to the stars themselves)...
Replayable
86% of 261 Steam reviews are positive$7.99
Dawn of Andromeda
Dawn of Andromeda is a pausable, real-time 4X space strategy game providing an accessible, fun and immersive experience, introducing fresh ideas to the genre. Build your empire, colonize new planets, interact with other factions and characters, research technologies and build great fleets.
Replayable
42% of 191 Steam reviews are positive$29.99

Cheaper than Interstellar Space: Genesis

Stars in Shadow

Claim star systems, grow a fleet from destroyers to Dread Stars, and take the galaxy by diplomacy or force.

$24.99

Space Empires IV Deluxe

Grow a turn-based space empire from a single home world to Dyson spheres, designing every species, ship and star system along the way.

$9.99

Star Traders: 4X Empires

Take command of humanity’s last survivors and rebuild an empire in the stars.

$9.99

Master of Orion

Lead one of ten races across the stars and build an empire that wins by war, treaties or research.

$24.99

Lord of Rigel

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

$19.99

ENDLESS Space™ - Definitive Edition

Grow a civilization from a single star system to a galactic power, turn by turn, in a galaxy that never generates the same way twice.

$9.99

Star Ruler

Take command of a vast interstellar empire and safeguard your species from total extinction in a procedurally generated 3D galaxy (with the option…

$7.99

Galactic Civilizations® II: Ultimate Edition

Guide a spacefaring civilization through a randomly generated galaxy, designing ships and choosing whether war, culture, diplomacy or technology…

$9.99

Stellar Sovereigns

Indie 4X space strategy game with TB empire management and RTS combat set in a 3D star cluster.

$24.99

Galactic Inheritors

Colonise solar systems and watch them grow. Explore the galaxy to find its strategic choke points.

$19.99

Imperium Galactica II

Colonize planets, design your fleets and outsmart rival empires across three very different campaigns.

$9.99

Pax Nova

A sci-fi turn-based 4X strategy game where you lead the fate of one of several factions divided between three races.

$24.99

Hidden gems like Interstellar Space: Genesis

Emperor of the Fading Suns Enhanced

Command interstellar forces in this epic return of the 4X strategy classic.

$9.99

Sins of a Solar Empire II

A real-time 4X where tactics and empire-building happen in one mode with no turns.

$49.99

Dominus Galaxia: KS Edition

Dominus Galaxia is a 4X space strategy game with a focus on amplifying strategic decisions and minimising non-strategic busywork.

Free

Galactic Civilizations IV

Guide a young spacefaring civilization across a fresh galaxy each run, growing it by war, trade, diplomacy or culture until the stars answer to you.

$39.99

Lord of Rigel

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

$19.99

The Pegasus Expedition

The Pegasus Expedition is a story-driven sci-fi grand strategy game set in a key moment for humankind’s survival.

$19.99

Distant Worlds 2

A vast pausable real-time 4X space strategy game. Generate a galaxy of up to 2,000 star systems, run an empire where every freighter and fleet is…

$49.99

Master of Orion 2

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

Imperium Galactica

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

$4.99

Imperium Galactica II

Colonize planets, design your fleets and outsmart rival empires across three very different campaigns.

$9.99

Master of Orion 1

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

Stars in Shadow

Claim star systems, grow a fleet from destroyers to Dread Stars, and take the galaxy by diplomacy or force.

$24.99

Newest games like Interstellar Space: Genesis