Galaxy Defenders (Classic TD)
A classic tower defense game set in space! Build and upgrade towers, defend your portal from waves of alien invaders, and outsmart evolving threats…
$0.99
Games like Space Tower Defense
If Space Tower Defense scratched a tense and colorful itch for you, keep reading. These games keep things close enough to feel familiar.
Galaxy Defenders (Classic TD)
A classic tower defense game set in space! Build and upgrade towers, defend your portal from waves of alien invaders, and outsmart evolving threats across handcrafted and procedural maps.
Colorful
$0.99Space Cycle
Space resources are the battleground for warring factions. As a Space Defense Officer, protect your faction's assets in a vast, hostile universe. Allocate resources, upgrade defenses, and repel relentless enemy attacks! With over 50 unique units and deep strategy, experience real-time tower defense!
Tense, Colorful, Fast-paced
93% of 179 Steam reviews are positive$1.99Shuttle Siege
A sci-fi Tower Defense game where your space shuttle is invaded and you have to build mazes of defensive towers to stop the enemies.
Tense
75% of 4 Steam reviews are positive$4.99Orbital Tower Defence
Build towers on rotating orbital rings to defend your planet. Discover powerful upgrades, battle elite enemies and bosses, and master unique planets with distinct challenges.
Tense, Colorful, Fast-paced
100% of 4 Steam reviews are positive$0.99Space Base
Space Base is an action-packed tower defence game, where you aim to protect your planets from the incoming forces of enemy ships and aliens by any means necessary. Build up your defences as stronger and stronger waves of enemies arrive to reach the highest score possible.
Tense, Colorful, Fast-paced
$4.99Cyber Tower
Command a resource-starved cyberpunk city's defense. Place towers to shape the enemy's path itself, forcing brutal choke points, cross-fire kill zones, and elevated ambushes. Tricky maps, insane waves. Master the path, and every invader becomes nothing but numbers.
Colorful
60% of 10 Steam reviews are positive$0.89Revenge of the Titans
The ultimate mash-up of Real-time Strategy and Tower Defense!
Tense, Colorful, Fast-paced
81% of 665 Steam reviews are positive$14.99Space Nature Attack Tower Defense
Space Nature Attack TD is a tower defense where you can level up and customize tower stats and elements to your liking! Fend off various types of alien creatures across many different sci-fi planet themed maps, biomes, and difficulties!
Colorful
91% of 11 Steam reviews are positive$6.99Colony Defense - Tower Defense
Atmospheric unique minimalist tower base defense game. Highly addictive.
Tense
100% of 2 Steam reviews are positive$6.98Tower 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.
Tense, Colorful
85% of 5,278 Steam reviews are positivePlayers online now: 324$17.49Planet Modular TD
Tower defense offline game with many defense strategies. Gem of TD games
Tense
60% of 10 Steam reviews are positive$9.99Exo TD
Exo TD is a true 3D space Tower Defense. Invaders have scouted your planet as their next target, you must protect it by building destructive turrets, orbital defenses, shields, drones and more to defend against the incoming invasion force.
Tense
75% of 8 Steam reviews are positive$19.99
Cheaper than Space Tower Defense
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
Orbital Tower Defence
Build towers on rotating orbital rings to defend your planet.
100% of 4 Steam reviews are positive$0.99
Cyber Tower
Command a resource-starved cyberpunk city's defense. Place towers to shape the enemy's path itself, forcing brutal choke points, cross-fire kill…
60% of 10 Steam reviews are positive$0.89
Tac Tower
Build, defend and conquer in a strategic 3D tower defense game filled with unique enemies and challenging maps!
100% of 7 Steam reviews are positive$1.99
Planet TD
6 different types of towers! 4 planets with different characteristics! 25 different enemies.
73% of 123 Steam reviews are positive$2.99
IMM Defense
This is a classic tower defense game. The alien ship is ready to invade this lovely planet.
40% of 5 Steam reviews are positive$0.99
Space Panic Defense
A futuristic tower defense game with action and strategy!
48% of 25 Steam reviews are positive$0.99
ARC Alien Raid Combat
A game based on the classic Tower Defense style, assemble your best combination to overcome obstacles, can you do it?
76% of 21 Steam reviews are positive$0.99
TD Tower Defense
Build your towers according to the enmey you are facing in the wave. Upgrade your turrets to increase range, damage or rewards.
50% of 2 Steam reviews are positive$0.99
Defense Task Force - Sci Fi Tower Defense
Defense Task Force Featuring Large Scale Procedurally Generated Tower Defense Battles with FPS Quality Visuals and Infinite Waves. 10 tower types…
54% of 35 Steam reviews are positive$2.99
Defensive Attacks
Every tower is a decision. Every enemy is a test. Build your defense line and survive with your tactical intelligence.
83% of 12 Steam reviews are positive$2.99
Hidden gems like Space Tower Defense
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
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
Colony Siege
Colony Siege combines the best of RTS and tower defense, including base building, mazing, and unit physics.
91% of 199 Steam reviews are positive$19.99
Planet TD
6 different types of towers! 4 planets with different characteristics! 25 different enemies.
73% of 123 Steam reviews are positive$2.99
Space Run
You play a daring space transporter, building and defending a cargo ship in real time as you race it through hostile space.
85% of 1,774 Steam reviews are positivePlayers online now: 3$4.99
Siege of Centauri
Defend against thousands of enemies in this explosive tower defense game.
64% of 352 Steam reviews are positive$14.99
Revenge of the Titans
The ultimate mash-up of Real-time Strategy and Tower Defense!
81% of 665 Steam reviews are positive$14.99
Defense Grid: The Awakening
Place towers, shape the path and hold the line against waves of alien thieves in a colorful sci-fi strategy game.
96% of 4,551 Steam reviews are positivePlayers online now: 62$9.99
Defense Technica
Defense Technica is the next evolution in hardcore tower defense strategy games.
42% of 150 Steam reviews are positive$14.99
Galaxy Defenders (Classic TD)
A classic tower defense game set in space! Build and upgrade towers, defend your portal from waves of alien invaders, and outsmart evolving threats…
$0.99
Shuttle Siege
A sci-fi Tower Defense game where your space shuttle is invaded and you have to build mazes of defensive towers to stop the enemies.
75% of 4 Steam reviews are positive$4.99
Space Base
Space Base is an action-packed tower defence game, where you aim to protect your planets from the incoming forces of enemy ships and aliens by any…
$4.99
Newest games like Space Tower Defense
Orbital Tower Defence
Build towers on rotating orbital rings to defend your planet.
100% of 4 Steam reviews are positive$0.99
Tower Command
Strategic tower defense where you need to maximize your bonuses.
100% of 4 Steam reviews are positive$8.99
Built the End
Harvest resources, build and upgrade towers, and defend your base against escalating waves of robotic enemies in this resource management focused…
100% of 14 Steam reviews are positive$6.99
Artificial Extinction 2
A Tower Defense hybrid where survival depends on strategy and firepower.
77% of 121 Steam reviews are positive$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
Galaxy Defense War
'Galaxy Defense War' is a roguelike tower defense game where you need to select suitable galactic principles from randomly dropped heroes and…
97% of 112 Steam reviews are positivePlayers online now: 1$7.72
Tac Tower
Build, defend and conquer in a strategic 3D tower defense game filled with unique enemies and challenging maps!
100% of 7 Steam reviews are positive$1.99
Rage Of Towers
Rage of Towers delivers a unique hybrid experience where tower defense meets real-time control.
78% of 9 Steam reviews are positive$14.99
The Last Hearth Defense
Your mission in this game is to outwit, outmaneuver, and outlast the enemy waves using smart tactics and powerful upgrades.
93% of 87 Steam reviews are positive$0.99
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
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