Games like Planets Under Attack

Hooked on the competitive and replayable side of Planets Under Attack? You might settle into these games easily.

Planet 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.
Competitive, Replayable
91% of 2,908 Steam reviews are positivePlayers online now: 5Free
Starion Tactics
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.
Competitive, Replayable
25% of 48 Steam reviews are positive$9.99
Battle for Orion 2
Earth has been destroyed. Mankind is fractured. The galaxy is at war. But one hope remains: a new home for mankind. Probes detected a habitable planet in the Orion sector. You must fight your way to it, but nothing is as it seems. A more devious plan is underway that threatens the entire galaxy.
Competitive, Replayable
80% of 59 Steam reviews are positive$14.99
SPACECOM
SPACECOM – a strategic-to-the-bone, starfleet command game in which deception, smart movement, and choices to battle decide victory or defeat.
Competitive, Replayable
63% of 200 Steam reviews are positive$1.39
Planetka
You play as a tiny sentient planet. Maintain your ecosystem, create new plant species and discover the hidden powers inside you. You’ll need them soon, because there is a human spaceship approaching with the intention to mine all your resources and they don’t care if it kills you in the process.
Replayable
89% of 183 Steam reviews are positiveFree
AI War: Fleet Command
"You are outgunned. You are massively outnumbered. You must win." These are your orders. Humanity has already fought its war against the machines -- and lost. AI death squads stand watch over every planet and every wormhole, the few remaining human settlements are held captive in orbiting bubbles, and the AIs have turned their...
Competitive, Replayable
85% of 992 Steam reviews are positivePlayers online now: 3$9.99
Galcon 2: Galactic Conquest
Galcon 2 is a demolition derby in space! Send swarms of ships from planet to planet to conquer the galaxy in this fast paced multiplayer strategy game!
Competitive, Replayable
83% of 872 Steam reviews are positivePlayers online now: 1Free
Annihilate The Spance
Annihilate The Spance is a single-player RTS where your shipyards build endlessly and your ships fight on their own. You handle bases, economy, fleet mix and waypoint chains while autonomous fleets brawl across a 3D storm full of rival factions, bosses and very large capital ships.
Replayable
89% of 353 Steam reviews are positivePlayers online now: 9$29.99
Slipways
Weave isolated planets into a trade empire with warp routes instead of wars. Slipways boils space grand strategy down to its best decisions, and a whole run fits in under an hour. Colonize, research game-changing tech, connect the dots just right, and still be done before lunch.
Replayable
92% of 2,247 Steam reviews are positivePlayers online now: 8$16.99
Planetary Annihilation: TITANS
Command thousands of robots across entire solar systems, then end the argument by crashing a moon into someone's planet. TITANS adds colossal super units, new worlds and a roguelike galactic war to a fast, planet-scale RTS that plays great with friends.
Competitive, Replayable
84% of 11,431 Steam reviews are positivePlayers online now: 215$29.99
Interplanetary: Enhanced Edition
In this turn-based strategic artillery game, players wage interplanetary wars by developing their home planets and firing massive barrages through the unpredictable gravity fields of the solar system.
Competitive, Replayable
85% of 557 Steam reviews are positivePlayers online now: 6$14.99
Ruthless Conquest
Send the fleet to capture planets and expand your empire, until you vanquish them all! No ads, no in-app purchases, completely free. Local and internet multiplayer is supported in this galactic strategy game. Six levels of challenging AI await you for practice matches and for making up numbers.
Competitive, Replayable
86% of 99 Steam reviews are positiveFree

Cheaper than Planets Under Attack

Starion Tactics

After assuming command of one of four human or alien factions vying for galactic dominance, immediately define your game’s scope.

$9.99

SPACECOM

SPACECOM – a strategic-to-the-bone, starfleet command game in which deception, smart movement, and choices to battle decide victory or defeat.

$1.39

AI War: Fleet Command

"You are outgunned. You are massively outnumbered. You must win." These are your orders.

$9.99

Nexus - The Jupiter Incident

Ambitious megacorporations monopolize the conquest of space and the colonization of the solar system.

$9.99

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!

$2.99

A Planet of Mine MasterMine Edition

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

$9.99

Auralux: Constellations

Auralux: Constellations is the awaited sequel to Auralux, the critically acclaimed minimalistic Real Time Strategy game.

$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

Forbidden Planet

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

$0.74

Mayhem Intergalactic

Wage war on your friends and enemies in this simple and engaging strategy game.

$9.99

Phantom Signal — Sci-Fi Strategy Game

Phantom Signal is a real-time sci-fi strategy game with unusual mechanics.

$5.99

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.

$7.79

Hidden gems like Planets Under Attack

Annihilate The Spance

Annihilate The Spance is a single-player RTS where your shipyards build endlessly and your ships fight on their own.

$29.99

Relentless Expanse

Capture and upgrade planets, outsmart your enemies, and conquer the galaxy!

Free

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.

$14.99

Planetka

You play as a tiny sentient planet. Maintain your ecosystem, create new plant species and discover the hidden powers inside you.

Free

Planet S

Claim procedurally generated planets, raise cities from a single spaceport, and grow your faction into a scientific or military power, alone or…

Free

Terra Invicta

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

$39.99

Sins of a Solar Empire II

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

$49.99

Slipways

Link planets with warp routes, balance their needs and grow a trade network, one calm turn at a time.

$16.99

Battlecruisers

A visually stunning RTS where players battle to build the ultimate automated floating Ultraweapon.

$19.99

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.

$19.99

Iron Marines

Lead colorful troops across alien planets, switching their roles mid-battle while the jokes keep coming.

$14.99

Space Tyrant

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

$19.99

Newest games like Planets Under Attack