From Glory To Goo
Grow a settlement on a hostile world, wall it in, and answer the Goo with orbital fire before they reach your gates.
96% of 1,858 Steam reviews are positivePlayers online now: 97$7.79
Games like Planet S
Chasing that replayable and competitive feeling you got from Planet S? You might settle into these games easily.
My Colony
A sci-fi colony sim that starts with one lander and a rover and ends wherever your ambition does. Pick a faction, grow an outpost into an empire, trade on a player-run market, or share a region with friends. It runs on almost anything and never asks you to wait for a timer.
Also in City builder · Replayable, Competitive
89% of 276 Steam reviews are positivePlayers online now: 10$4.99PlanetX
A persistent real-time strategy MMO on one shared planet. Other players will come for your land while you sleep, unless your shield is up. Wars take days, and alliances decide them. Build an economy that can feed an army, then hold your border. Expect ten hours before you feel competent.
Replayable, Competitive
67% of 54 Steam reviews are positiveFreePoly Universe
Poly Universe is a survival city-building game in a galaxy where planets are only slightly larger than the colonists who inhabit them.
Replayable
85% of 104 Steam reviews are positive$9.99A Planet of Mine Legacy
A Planet of Mine is a mini procedural 4X. Starting from a single and unique planet, survive, gather and combine resources, develop your technologies and start the conquest of space.
Replayable
60% of 58 Steam reviews are positive$6.99Imagine Earth
Build your own global colonies on distant worlds. Manage energy and resource supplies and produce goods for space trade. Form economic and diplomatic alliances or take over competing corporations. Conduct research to protect your colonists from disasters and avoid a climate crisis.
Also in City builder · Replayable
79% of 813 Steam reviews are positivePlayers online now: 4$24.99A Planet of Mine MasterMine Edition
A Planet of Mine Mastermine Edition is a cozy 4X game with mass strategy! Choose your winning gang, mastermine resources, and build your base and tools to boost your technology and conquer space! Unless your neighbors don’t see it that way… Trade, peace or clash: your planet, your choice!
Also in City builder · Replayable
94% of 32 Steam reviews are positive$9.99Solar Nations 2
Grand strategy in 2092: take the helm of a Solar System Great Power, colonize nine worlds, build space fleets ship by ship, and fight wars that can end in nuclear fire. Deep politics, wild alternate histories, and a whole solar system to conquer, alone or with friends.
Replayable, Competitive
85% of 662 Steam reviews are positivePlayers online now: 36$14.99Galactic Ruler
Galactic Ruler offers real time strategy game play at both planetary level and in space! Lead your faction in diplomacy or conquest across a procedurally generated galactic map where any system might hold hostile enemies or resource riches. Develop advanced technologies to rule the galaxy!
Replayable
47% of 104 Steam reviews are positive$19.99From Glory To Goo
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.
Also in City builder · Replayable
96% of 1,858 Steam reviews are positivePlayers online now: 97$7.79Stellar Settlers: Space Base Builder
Stellar Settlers is a chill space base/city builder and colony sim game. With unique vertical and horizontal base-building gameplay, settle on 10 hostile alien planets and build your own thriving colony. Get enough materials to build a physics-based Spaceship and try to escape from disasters.
Also in City builder · Replayable
69% of 748 Steam reviews are positivePlayers online now: 1$11.99The Colonists
A team of self-replicating robots escapes Earth to chase their ultimate dream: being human. Build them a settlement of roads, farms and trains on a distant planet, watch little named robots haul your goods around, and unwind with a calm colony builder that still hides real depth.
Also in City builder · Replayable, Competitive
85% of 1,057 Steam reviews are positivePlayers online now: 31$24.99Astro Colony
Astro Colony is a relaxed automation game in an endless procedurally generated universe. Build conveyor networks, move and dock your stations, recruit astronauts and research new tech, alone or with friends. No timers, no punishing failure: just you, a growing colony and a galaxy of voxel planets to strip for parts.
Replayable
80% of 2,440 Steam reviews are positivePlayers online now: 106$19.99
Hidden gems like Planet S
Astro Colony
Set up conveyor networks, dock your stations and research new tech at your own pace, alone or with friends.
80% of 2,440 Steam reviews are positivePlayers online now: 106$19.99
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
Solargene
Run a private space corporation across a realistically simulated solar system.
77% of 784 Steam reviews are positivePlayers online now: 18$34.99
The Final Earth 2
The Final Earth 2 is a vertical sci-fi city builder. Earth is unlivable, so you decide to create a space colony.
97% of 421 Steam reviews are positivePlayers online now: 8$9.99
Alien Horizon (Preview Alpha)
A sci-fi survival city builder set on an inhospitable alien planet.
87% of 209 Steam reviews are positivePlayers online now: 2Free
Terraformers
Turn a fresh Mars into a living world, one turn and one project card at a time.
88% of 3,044 Steam reviews are positivePlayers online now: 50$19.99
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
Terraformers: First Steps on Mars
Terraformers: First Steps on Mars is a free prologue of Terraformers, featuring an exclusive challenge to lead humanity's first attempt at settling…
88% of 704 Steam reviews are positiveFree
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
Slipways
Link planets with warp routes, balance their needs and grow a trade network, one calm turn at a time.
92% of 2,247 Steam reviews are positivePlayers online now: 8$16.99
Nexus Legacy
Rebuild civilization from one planet in a persistent online 4X.
66% of 387 Steam reviews are positivePlayers online now: 85Free
Newest games like Planet S
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
SpaceCraft
Mine planets, assemble ships from parts and grow a trading empire with friends in an open galaxy.
63% of 2,730 Steam reviews are positivePlayers online now: 232$29.99
Nexus Legacy
Rebuild civilization from one planet in a persistent online 4X.
66% of 387 Steam reviews are positivePlayers online now: 85Free
Astro Colony
Set up conveyor networks, dock your stations and research new tech at your own pace, alone or with friends.
80% of 2,440 Steam reviews are positivePlayers online now: 106$19.99
Periphery Online
A refugee capsule lands on an uninhabited planet. You have to survive, rebuild civilization and, if possible, regain control over the Earth.
70% of 53 Steam reviews are positive$4.99
Solar Expanse - Space Exploration Manager
Run a space company at your own pace, moving cargo across the solar system one careful calculation at a time.
87% of 1,341 Steam reviews are positivePlayers online now: 86$17.99
Solargene
Run a private space corporation across a realistically simulated solar system.
77% of 784 Steam reviews are positivePlayers online now: 18$34.99
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
Plan B: Terraform
Turn frozen wasteland into green, living terrain by moving water, resources and people across a calm hex-grid planet.
91% of 3,648 Steam reviews are positivePlayers online now: 169$11.99
PlanetX
A persistent real-time strategy MMO on one shared planet. Other players will come for your land while you sleep, unless your shield is up.
67% of 54 Steam reviews are positiveFree