Perimeter
Perimeter is an innovative Real-Time-Strategy game that pits players against each other or AI opponents in a life and death struggle to seize…
86% of 193 Steam reviews are positive$3.99
Games like Periphery Online
Hooked on the competitive and retro side of Periphery Online? You might settle into these games easily.
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. 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.
Competitive, Replayable
67% of 54 Steam reviews are positiveFreePlanet S
Planet S is a real-time strategy game about colonizing a whole solar system. Claim procedurally generated planets with a spaceport, build cities, feed production chains and grow your faction into a scientific or military power. Play solo or with up to seven friends, in peace or open war.
Also in City builder · Competitive, Replayable
91% of 2,908 Steam reviews are positivePlayers online now: 5FreePerpetuum
Dig for resources, terraform the land, build a stronghold, or take someone else's. One persistent world, no subscription, and skill progression that keeps moving even when you are not logged in.
Competitive, Replayable
72% of 815 Steam reviews are positivePlayers online now: 7FreeOperation: New Earth
Command a military stronghold on an Earth overrun by aliens, raise an army, chase the alien element Neutronium, and fight other human factions for what is left of the planet. A long-haul multiplayer strategy where alliances, politics and patience matter more than reflexes. Fair warning: spending money speeds things up a lot, and the pace is slow.
Competitive
60% of 849 Steam reviews are positivePlayers online now: 263FreeNexus Legacy
Rebuild civilization from one planet in a persistent online 4X. Grow an economy, design fleets for the job, spy before you strike, and fight alliances for a galaxy that keeps moving while you sleep. Slow-burn strategy with real rivals: every mistake becomes someone else's opening.
Competitive, Replayable
66% of 390 Steam reviews are positivePlayers online now: 85FreeWin That War!
Win That War! is a massive scale real-time strategy game, putting thousands of players at the heart of a single campaign of fierce galactic conquest. Discover new planets. Develop your arsenal. Strive to be the best to extend the domination of your corporation.
Competitive, Replayable
54% of 26 Steam reviews are positive$19.99War Planet Online: Global Conquest
Build a base, raise armies of tanks, jets and artillery, and march them across a real-world map against thousands of live opponents. An MMO strategy war where alliances matter and the fighting never stops. Fair warning: spending money speeds things up a lot.
Competitive
62% of 989 Steam reviews are positivePlayers online now: 160FreeProject Rebearth
A massive online multiplayer where everyone plays on an exact replica of planet earth. The game is set 1000 years into the future where you rebuild society. Grow your town, trade with other players, face challenges and discover the rich history of this suspiciously empty planet.
Also in City builder · Competitive, Replayable
70% of 188 Steam reviews are positive$17.99Andromeda: Rebirth of Humanity
Andromeda is a hybrid between a Space 4X and an MMO. An online universe sandbox with 2 galaxies full of planets to colonize. Build structures like Mines to generate resources to build ships and engage in fleet battles with NPCs and other players, or just sit and chat with the friendly community.
Competitive, Replayable
65% of 118 Steam reviews are positivePlayers online now: 4FreePerimeter
Perimeter is an innovative Real-Time-Strategy game that pits players against each other or AI opponents in a life and death struggle to seize territory and establish crucial protective “perimeters.” Players will be introduced to the game’s unique terraforming feature, allowing them to move, build, construct and destroy the map...
Competitive, Retro, Tense
86% of 193 Steam reviews are positive$3.99Ways of History
Hardcore real-time strategy with a long-term round. Development of your civilization from caves to space. Huge world. Thousands of players. 240+ sciences and technologies. About 100 troops. 4 races. 50+ resource deposits. War, trade, science, construction...
Competitive, Replayable
53% of 256 Steam reviews are positiveFreeMy 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 · Competitive, Replayable
88% of 277 Steam reviews are positivePlayers online now: 10$4.99
Cheaper than Periphery Online
Outpost Zero
Outpost Zero blends the genres of Multiplayer Base Building Survival and Simulation games in a Sci-Fi universe.
51% of 580 Steam reviews are positive$3.99
Farworld Pioneers
Explore an open world, sci-fi sandbox – in PVP, PVE, and co-op.
37% of 623 Steam reviews are positive$3.74
Unclaimed World
Manage interstellar pioneers and their descendants in this detailed sci-fi colony sim.
49% of 179 Steam reviews are positive$1.18
O.R.B: Off-World Resource Base
An epic struggle for control!
79% of 102 Steam reviews are positive$0.79
ROD: Revolt Of Defense
Explore a random generated space. Find artifacts and treasure maps. Build and develop your base on a flying platform.
80% of 526 Steam reviews are positive$0.99
Sol 0: Mars Colonization
Sol 0 is a real time strategy game where you establish the first Martian colony.
67% of 371 Steam reviews are positive$0.99
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
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
Evertown
Evertown is a RTS (real-time strategy) game with some survival elements. The goal is to raise your town to make it safe (the longest you can).
43% of 60 Steam reviews are positive$1.99
Pixel Survivors
Pixel Survivors is a god management game. Create some land and build structures to keep your small society settled.
57% of 175 Steam reviews are positive$3.99
Hidden gems like Periphery Online
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 1,865 Steam reviews are positivePlayers online now: 97$7.79
Machinefall
Machinefall is a post-apocalyptic real time strategy game set on a fully playable global map.
83% of 125 Steam reviews are positivePlayers online now: 1$14.99
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
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 9,174 Steam reviews are positivePlayers online now: 578$39.99
Project Rebearth
A massive online multiplayer where everyone plays on an exact replica of planet earth.
70% of 188 Steam reviews are positive$17.99
Nexus Legacy
Rebuild civilization from one planet in a persistent online 4X.
66% of 390 Steam reviews are positivePlayers online now: 85Free
Galaxy Life
The Starlings are tiny, orange and out for galactic conquest, and they are yours.
91% of 8,647 Steam reviews are positivePlayers online now: 300Free
Imagine Earth
Build your own global colonies on distant worlds. Manage energy and resource supplies and produce goods for space trade.
79% of 814 Steam reviews are positivePlayers online now: 4$24.99
Outerstellar
Stranded on a hostile and deadly planet, you must gather resources, build shelter, and fight to survive each night.
70% of 192 Steam reviews are positiveFree
Prosperous Universe
Trade, produce and outmaneuver rival companies in a shared sci-fi economy that keeps running while you're away.
72% of 1,118 Steam reviews are positivePlayers online now: 25Free
My Colony
Build a space colony from a single rover, grow it into a sprawling economy, and rule it your way.
88% of 277 Steam reviews are positivePlayers online now: 10$4.99
Tribal Wars
Grow one village into an empire of thousands while rival tribes plot against you around the clock.
71% of 848 Steam reviews are positivePlayers online now: 70Free
Newest games like Periphery Online
OpenFront
Claim land, build an economy and negotiate your way to dominance against real opponents in fast multiplayer rounds.
85% of 1,275 Steam reviews are positivePlayers online now: 620$6.99
ZeroSpace
Lead huge armies and orbital strikes in a fast sci-fi war, or join a friend in a co-op campaign that changes every season.
78% of 1,354 Steam reviews are positivePlayers online now: 96$39.99
Machinefall
Machinefall is a post-apocalyptic real time strategy game set on a fully playable global map.
83% of 125 Steam reviews are positivePlayers online now: 1$14.99
SpaceCraft
Mine planets, assemble ships from parts and grow a trading empire with friends in an open galaxy.
63% of 2,738 Steam reviews are positivePlayers online now: 232$29.99
Nexus Legacy
Rebuild civilization from one planet in a persistent online 4X.
66% of 390 Steam reviews are positivePlayers online now: 85Free
Riftborne
Riftborne is a classic terminal based, real time, grand strategy game. Construct space ships. Take part in factional warfare.
92% of 123 Steam reviews are positive$7.99
Project Rebearth
A massive online multiplayer where everyone plays on an exact replica of planet earth.
70% of 188 Steam reviews are positive$17.99
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 9,174 Steam reviews are positivePlayers online now: 578$39.99
ERA ONE
Design warships module by module, raise a fortress from one Command Center, and fight real-time battles across the Solar System.
87% of 1,619 Steam reviews are positivePlayers online now: 44$29.99
Taking London
A love letter to old-school browser-based RTS MMOs – with charming nostalgic pixel graphics, a dash of political satire, and tonnes of strategic…
81% of 70 Steam reviews are positiveFree
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
EDYN
Join the battle for EDYN, the ultimate multiplayer strategy game.
71% of 51 Steam reviews are positiveFree