Sid Meier's Civilization® IV
Grow a tribe into an empire across the ages, one turn at a time, in a strategy classic that never plays out the same way twice.
92% of 2,819 Steam reviews are positivePlayers online now: 870$3.99
Games like Sid Meier's Alpha Centauri™ Planetary Pack
Still thinking about Sid Meier's Alpha Centauri™ Planetary Pack and its replayable and retro tone? Browse these games for your next favorite.
Sid Meier's Civilization®: Beyond Earth™
Humanity's last shot: lead an expedition to an alien planet and build a new civilization from scratch. Pick a sponsor, seed your colony, chart a branching tech web and decide what your people become. A sci-fi spin on Civilization that plays differently every time, solo or against up to seven rivals.
Replayable, Competitive
61% of 14,071 Steam reviews are positivePlayers online now: 432$9.99Galactic Civilizations® II: Ultimate Edition
The complete Galactic Civilizations II saga in one package: a turn-based 4X where you lead a spacefaring civilization across a randomly generated galaxy. Design your own ships, outwit opponents who play fair, and win by war, culture, diplomacy or technology. Deep, endlessly replayable, and still a benchmark for space strategy.
Replayable, Retro
80% of 958 Steam reviews are positivePlayers online now: 33$9.99Master of Orion 2
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, Retro, Competitive
96% of 1,676 Steam reviews are positivePlayers online now: 225Pandora: First Contact
Pandora: First Contact is a science fiction 4X turn-based strategy game on a planetary scale. Our Earth has been exhausted and colonial attempts on other planetary bodies have been in vain. Finally, after decades of exploration, an interstellar probe has brought promise of a new world.
Replayable
61% of 540 Steam reviews are positive$29.99Terra Invicta
Pick one of seven human factions and fight over how to face an alien invasion: seize control of Earth's nations from the shadows, research your way into space, mine asteroids, and build fleets for Newtonian fleet battles across a moving Solar System.
Replayable
79% of 9,162 Steam reviews are positivePlayers online now: 578$39.99Imperium Galactica II
A classic space empire builder from 1999, back with sharper textures and modern resolutions. Run a galactic power in real time: colonize planets, raise cities, design ships and tanks, spy on rivals or simply outbuild them. Three races, three campaigns, huge battles in space and on the ground. Old-school in the best way, and still hard to put down.
Replayable, Retro, Competitive
87% of 598 Steam reviews are positivePlayers online now: 33$9.99Sins of a Solar Empire II
A real-time 4X where tactics and empire-building happen in one mode with no turns. You zoom from missile-by-missile fleet fights to managing orbiting planets across a living galaxy, leading one of six factions from the TEC, Vasari, and Advent to victory by war, trade, culture, or diplomacy.
Replayable, Competitive
82% of 7,259 Steam reviews are positivePlayers online now: 848$49.99Stars 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$24.99Pax Nova
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.
Replayable
53% of 397 Steam reviews are positive$24.99ENDLESS 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, Competitive
83% of 17,333 Steam reviews are positivePlayers online now: 254$39.99Emperor of the Fading Suns Enhanced
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.
Replayable, Retro, Competitive
95% of 178 Steam reviews are positivePlayers online now: 5$9.99Sword of the Stars: Complete Collection
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, Retro, Competitive
87% of 590 Steam reviews are positivePlayers online now: 24$9.99
Cheaper than Sid Meier's Alpha Centauri™ Planetary Pack
Sid Meier's Civilization® III Complete
Settle cities, guide research and diplomacy, and carry your people from the first village to a modern power across maps that never play out the same…
90% of 5,749 Steam reviews are positivePlayers online now: 2,003$0.99
X3: Terran Conflict
Trade, fight and manage your way from one small ship to a sprawling space economy in an open galaxy.
84% of 2,099 Steam reviews are positivePlayers online now: 63$3.19
O.R.B: Off-World Resource Base
An epic struggle for control!
79% of 102 Steam reviews are positive$0.79
Space Empires II
Explore the galaxy, discover and colonize new planets to acquire enough resources.
61% of 18 Steam reviews are positive$2.99
Star Control I and II
Explore a vast universe with pulse-pounding action, side-splitting humor, and hair-raising plot twists in these 2 classic space adventure games.
82% of 165 Steam reviews are positive$3.99
Seven Kingdoms: Ancient Adversaries
Rule an ancient culture your own way: buy loyalty, send spies, sign treaties or march, and watch every match unfold differently.
95% of 244 Steam reviews are positivePlayers online now: 19$2.39
Space Empires III
The third game within the Space Empires series brings the dawn of a new age of exploration.
83% of 46 Steam reviews are positivePlayers online now: 3$3.99
X: Beyond the Frontier
The Human Race had advanced to the point where we could travel among the stars, we developed giant automated machines to help us colonise other…
75% of 298 Steam reviews are positivePlayers online now: 3$0.99
Exodus: The Colonization of Space
Colonize a galaxy in 256 colors! In this RiscOS gem from 1997, the fate of human civilization lies in your hands.
100% of 19 Steam reviews are positive$4.89
Interstellar Pilot 2
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.
89% of 157 Steam reviews are positivePlayers online now: 3$0.99
Aeon Command
Aeon Command is a tug of war strategy game, where you play as one of three unique factions to help gain dominance over the Aeon Nebula!
78% of 334 Steam reviews are positive$2.99
Hidden gems like Sid Meier's Alpha Centauri™ Planetary Pack
Heroes of Science and Fiction
Lead one of five factions through a cut-off star system, turn by turn, and win battles with plans instead of numbers.
89% of 865 Steam reviews are positivePlayers online now: 11$29.99
Emperor of the Fading Suns Enhanced
Command interstellar forces in this epic return of the 4X strategy classic.
95% of 178 Steam reviews are positivePlayers online now: 5$9.99
Solar Nations 2
Steer a 2092 superpower through nine worlds, fleet building and deep politics, solo or with friends, where a war can end in nuclear fire.
85% of 662 Steam reviews are positivePlayers online now: 36$14.99
ENDLESS Legend™ 2
Guide one of several distinct factions across a living ocean planet, building armies and economies while the tides reshape your route to victory.
82% of 3,780 Steam reviews are positivePlayers online now: 456$49.99
Terra Invicta
Steer one of seven factions through an alien arrival, from covert politics on Earth to fleet battles across the Solar System.
79% of 9,162 Steam reviews are positivePlayers online now: 578$39.99
Sins of a Solar Empire II
A real-time 4X where tactics and empire-building happen in one mode with no turns.
82% of 7,259 Steam reviews are positivePlayers online now: 848$49.99
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.
72% of 2,243 Steam reviews are positivePlayers online now: 275$39.99
AI War 2
Build fleets in secret, hack the enemy's systems and hit its core before it wakes up to what you are doing.
87% of 1,131 Steam reviews are positivePlayers online now: 18$19.99
Lord of Rigel
Lord of Rigel is a turn-based 4X space strategy game inspired by the classics.
68% of 118 Steam reviews are positivePlayers online now: 4$19.99
Interstellar Space: Genesis
Build a turn-based galactic empire your way, from first colony ship to tactical battles between the stars.
83% of 720 Steam reviews are positivePlayers online now: 25$29.99
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…
71% of 2,676 Steam reviews are positivePlayers online now: 134$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.
96% of 1,676 Steam reviews are positivePlayers online now: 225
Newest games like Sid Meier's Alpha Centauri™ Planetary Pack
ENDLESS Legend™ 2
Guide one of several distinct factions across a living ocean planet, building armies and economies while the tides reshape your route to victory.
82% of 3,780 Steam reviews are positivePlayers online now: 456$49.99
Xenonauts 2
Scramble jets at UFOs, command ground battles turn by turn, and hold a divided world together one hard decision at a time.
81% of 4,958 Steam reviews are positivePlayers online now: 234$39.99
Heroes of Science and Fiction
Lead one of five factions through a cut-off star system, turn by turn, and win battles with plans instead of numbers.
89% of 865 Steam reviews are positivePlayers online now: 11$29.99
Terra Invicta
Steer one of seven factions through an alien arrival, from covert politics on Earth to fleet battles across the Solar System.
79% of 9,162 Steam reviews are positivePlayers online now: 578$39.99
A Planet of Mine MasterMine Edition
A Planet of Mine Mastermine Edition is a cozy 4X game with mass strategy!
94% of 32 Steam reviews are positive$9.99
Stellar Reach
Stellar Reach is a 4X hard sci-fi strategy game where you control a faction vying for dominance across a hostile galactic frontier.
79% of 34 Steam reviews are positive$19.99
Emperor of the Fading Suns Enhanced
Command interstellar forces in this epic return of the 4X strategy classic.
95% of 178 Steam reviews are positivePlayers online now: 5$9.99
Solar Nations 2
Steer a 2092 superpower through nine worlds, fleet building and deep politics, solo or with friends, where a war can end in nuclear fire.
85% of 662 Steam reviews are positivePlayers online now: 36$14.99
ZEPHON
A post-apocalyptic 4X where humanity's leftovers fight over a ruined Earth.
83% of 1,903 Steam reviews are positivePlayers online now: 114$39.99
Lord of Rigel
Lord of Rigel is a turn-based 4X space strategy game inspired by the classics.
68% of 118 Steam reviews are positivePlayers online now: 4$19.99
Sins of a Solar Empire II
A real-time 4X where tactics and empire-building happen in one mode with no turns.
82% of 7,259 Steam reviews are positivePlayers online now: 848$49.99
Planet S
Claim procedurally generated planets, raise cities from a single spaceport, and grow your faction into a scientific or military power, alone or…
91% of 2,908 Steam reviews are positivePlayers online now: 5Free