Colonies
Build your own colony and defend it with a powerful army of tanks, defensive towers, and different sized mechs on alien planets!
78% of 9 Steam reviews are positive$7.99
Games like Neon Colony
Did Neon Colony leave you in a replayable and colorful frame of mind? These games are a good place to start.
Colony Siege
Colony Siege combines the best of RTS and tower defense, including base building, mazing, and unit physics. Defend Earth's remaining colonies using an arsenal of deadly weapons to torch, slice, throw, and impale swarms of alien invaders.
Replayable
91% of 199 Steam reviews are positive$19.99Exodus Borealis
In this city builder and tower defense game, you will command a small band of ship wrecked colonists. Progress from struggling to survive the elements to a thriving kingdom that will smash the demon hordes that dare attack your settlement.
Replayable
91% of 243 Steam reviews are positive$19.99Colonies
Build your own colony and defend it with a powerful army of tanks, defensive towers, and different sized mechs on alien planets!
Replayable
78% of 9 Steam reviews are positive$7.99From 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.
Replayable, Retro
96% of 1,871 Steam reviews are positivePlayers online now: 97$7.79Planet TD
6 different types of towers! 4 planets with different characteristics! 25 different enemies. Drones, Tanks, Biorobotic enemies and many different ground and air vehicles! Snowy and Glacial maps, Desert and Arid lands! Prepare to defend the solar system against invaders!
Replayable, Colorful
73% of 123 Steam reviews are positive$2.99Project Astra Dominium
Project Astra Dominium is a Tower Defense game with Basebuilding and Automation elements. Build up your base to become a supply hub for Earth's desperately needed materials, gather resources while defending against an unknown alien threat and improve your tower's and AI capabilities.
Replayable, Colorful
87% of 70 Steam reviews are positive$7.99HYPERNOVA: Escape from Hadea
A colorful but challenging blend of classic RTS and tower defense. Build, expand, research, and defend your alien colony as you race to construct a teleportation device and escape a dying star.
Replayable, Colorful
74% of 54 Steam reviews are positive$9.99Siege of Centauri
Defend against thousands of enemies in this explosive tower defense game. Deploy upgradable towers and unleash powerful orbital abilities as you try to protect Earth's first colony world from destruction.
Replayable, Colorful
64% of 352 Steam reviews are positive$14.99My 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.
Replayable
88% of 277 Steam reviews are positivePlayers online now: 4$4.99Stellar Initiative
Stellar Initiative is a roguelike tower defense game where you land on the planet and use your orbit ship to deliver buildings and support you with fire. Complete missions, install new upgrades, discover powerful artifacts, and find the best strategy!
Replayable, Colorful, Retro
76% of 406 Steam reviews are positivePlayers online now: 6$9.99Tower Dominion
A roguelike tower defense where the terrain is your weapon. Tile the map into choke points and kill zones, pick from 30 heroes across three factions, and adapt your defenses wave by wave as the alien invasion keeps coming. Short runs, big decisions, and no two battles alike.
Replayable, Colorful
85% of 5,278 Steam reviews are positivePlayers online now: 324$17.49Alien Robot Monsters
Epic sci-fi tower defense action with 16-bit era look and feel, pitching your colonists against an almost endless horde of hostile alien robots who strongly oppose your attempts of colonizing their planet! Deluxe version includes the soundtrack!
Replayable, Colorful, Retro
83% of 120 Steam reviews are positive$5.99
Cheaper than Neon Colony
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 1,871 Steam reviews are positivePlayers online now: 97$7.79
Planet TD
6 different types of towers! 4 planets with different characteristics! 25 different enemies.
73% of 123 Steam reviews are positive$2.99
Project Astra Dominium
Project Astra Dominium is a Tower Defense game with Basebuilding and Automation elements.
87% of 70 Steam reviews are positive$7.99
HYPERNOVA: Escape from Hadea
A colorful but challenging blend of classic RTS and tower defense.
74% of 54 Steam reviews are positive$9.99
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: 4$4.99
Stellar Initiative
Stellar Initiative is a roguelike tower defense game where you land on the planet and use your orbit ship to deliver buildings and support you with…
76% of 406 Steam reviews are positivePlayers online now: 6$9.99
Alien Robot Monsters
Epic sci-fi tower defense action with 16-bit era look and feel, pitching your colonists against an almost endless horde of hostile alien robots who…
83% of 120 Steam reviews are positive$5.99
Protolife
Protolife is an unique tower-based strategy game which gives you a direct control over the builder robot in a struggle against the hungry proto-life…
86% of 445 Steam reviews are positive$11.99
Rise of the Cones: Planetary Defense
Rise of the Cones is a tower defense game where a relentless army of cones is marching toward your base. They will not stop.
83% of 46 Steam reviews are positive$9.99
Colony Defense - Tower Defense
Atmospheric unique minimalist tower base defense game. Highly addictive.
100% of 2 Steam reviews are positive$6.98
Ancient Planet Tower Defense
Ancient Planet is classic tower defense game. The stronghold of an ancient civilization has been invaded by hordes of alien raiders.
84% of 878 Steam reviews are positivePlayers online now: 9$4.99
Hidden gems like Neon Colony
Islets Defense
Islets Defense is a turn-based tower defense game in which you build a small village to gather resources and defend your castle.
94% of 132 Steam reviews are positive$6.99
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.
96% of 1,871 Steam reviews are positivePlayers online now: 97$7.79
Space Cycle
Space resources are the battleground for warring factions. As a Space Defense Officer, protect your faction's assets in a vast, hostile universe.
93% of 179 Steam reviews are positive$1.99
Minimalist Tower Defense
Build your defenses by day, then survive waves of enemies through the night in a clean, tense strategy game that is harder than it looks.
94% of 1,878 Steam reviews are positivePlayers online now: 12$4.99
Mineral Defense
Mineral Defense combines tower defense with roguelite elements and procedural generation.
90% of 223 Steam reviews are positivePlayers online now: 4$14.99
Drill Core
Run a mining crew on hostile alien worlds, balancing profit against the lives of your people.
84% of 2,159 Steam reviews are positivePlayers online now: 23$9.99
Astro Colony
Set up conveyor networks, dock your stations and research new tech at your own pace, alone or with friends.
80% of 2,447 Steam reviews are positivePlayers online now: 83$19.99
The Perfect Tower II
Hold the waves, grow an island economy around your tower, and let simple commands handle the busywork while you chase upgrades and bosses.
86% of 4,543 Steam reviews are positivePlayers online now: 743Free
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 2,909 Steam reviews are positivePlayers online now: 5Free
Tower Dominion
Shape the battlefield into kill zones, hold the line against waves of aliens, and rebuild your defenses every run.
85% of 5,278 Steam reviews are positivePlayers online now: 324$17.49
Farlanders
Terraform, strategize, and construct a Martian colony in this retro-inspired turn-based city builder.
89% of 514 Steam reviews are positivePlayers online now: 2$14.99
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: 61$19.99
Newest games like Neon Colony
Wall World Strategy
Build a colony on an endless vertical structure, manage its people and resources, and survive what lives in the dark.
70% of 136 Steam reviews are positivePlayers online now: 667$16.99
BEACONFALL
A fast-paced tower defense strategy with settlement management.
80% of 40 Steam reviews are positive$3.24
Astro Colony
Set up conveyor networks, dock your stations and research new tech at your own pace, alone or with friends.
80% of 2,447 Steam reviews are positivePlayers online now: 83$19.99
Rise of the Cones: Planetary Defense
Rise of the Cones is a tower defense game where a relentless army of cones is marching toward your base. They will not stop.
83% of 46 Steam reviews are positive$9.99
Colony Defense - Tower Defense
Atmospheric unique minimalist tower base defense game. Highly addictive.
100% of 2 Steam reviews are positive$6.98
Stellarcraft
Stellarcraft is a sci-fi tower defense adventure: explore alien planets, gather resources, build defenses, and fend off waves of enemies, solo or in…
88% of 76 Steam reviews are positivePlayers online now: 1$9.99
ITER-8
Welcome to the surface, ITER employee #8. Mine the Pillar, upgrade your tools, defend your base, reach the top... or die miserably.
70% of 163 Steam reviews are positive$12.99
The Perfect Tower II
Hold the waves, grow an island economy around your tower, and let simple commands handle the busywork while you chase upgrades and bosses.
86% of 4,543 Steam reviews are positivePlayers online now: 743Free
Desktop Colony
A cosy incremental semi-idle space colony management game that sits on your desktop while you do other things.
100% of 23 Steam reviews are positivePlayers online now: 1$5.99
Drill Core
Run a mining crew on hostile alien worlds, balancing profit against the lives of your people.
84% of 2,159 Steam reviews are positivePlayers online now: 23$9.99
Islets Defense
Islets Defense is a turn-based tower defense game in which you build a small village to gather resources and defend your castle.
94% of 132 Steam reviews are positive$6.99
Tower Dominion
Shape the battlefield into kill zones, hold the line against waves of aliens, and rebuild your defenses every run.
85% of 5,278 Steam reviews are positivePlayers online now: 324$17.49