Starfort
Defend your empire in a sci-fi tower defense game. Build deadly combinations of railguns, lasers, gravity wells, drones, and cannons across three maps, 50 levels per map, and four difficulty modes.
The top results based on the latest update are Neon Spectrum TD [Score: 1.0], Swarming Planet [Score: 1.0] and Hexfall: Planetary Defense [Score: 0.9] The top rated games you can find here are Creeper World 3: Arc Eternal [SteamPeek Rating: 8.2] ranked #19, Taur [SteamPeek Rating: 6.1] ranked #15 and 重构 Refactor [SteamPeek Rating: 5.2] ranked #21 Also don't forget to check the newest releases Jarred Defense [Release date: 2026-09-22] ranked #23, Breachline [Release date: 2026-08-23] ranked #24 and HEXSTORM: Tears of Arcadia [Release date: 2026-08-03] ranked #32 While it is tempting to play with the newest and the best, there might be some other gems in the results, like Taur [SteamPeek Rating: 6.1] ranked #15, Creeper World 3: Arc Eternal [SteamPeek Rating: 8.2] ranked #19 and 重构 Refactor [SteamPeek Rating: 5.2] ranked #21.
Defend your empire in a sci-fi tower defense game. Build deadly combinations of railguns, lasers, gravity wells, drones, and cannons across three maps, 50 levels per map, and four difficulty modes.
A sci-fi tower defense game where you bend the rules of combat. Deploy defense towers to exploit color-matching enemy vulnerabilities and construct game-changing outpost facilities between rounds. Play as a newly activated Child AI trying to survive both the invaders and a stressed Mother AI.
Build towers and learn abilities to defend against swarms of hundreds of on-screen hostile alien creatures. Choose between sets of randomized upgrades that both upgrade you and the alien swarm. From enormous explosions to far-reaching flamethrowers, no two games are the same.
Hexfall is a planet-scale tower defense game where over 100,000 enemies attack at once. Mine the crust, wire the power and arm a hex world against an armada that fills the sky long before it comes down.
Freely place a 15-chassis defense network, break visible enemy layers, and time Flux Gates, Protocol choices, commander abilities, and Overdrive across a 20-mission neon tower defense campaign.
A game in the genre of management strategy. Here you can build your own factory for the production of robots, and on another planet, and extract resources and test robots on other different planets.
In Vermin Control, you will enter a thrilling sci-fi tower defense world filled with strategic combat and high tension. Operate a versatile unit capable of both melee combat and construction, deploy and manage 9 unique devices, and protect key facilities from relentless vermin assaults.
Heart of Machine blends top-down tower defense with light roguelite elements. Face an evolving mechanical swarm thousands strong, tailor defenses, upgrade towers with chips, and use real-time support weapons to turn the tide. Build an unbreakable line and save the core from destruction.
《Endzone Girls》is a Tower Defense Game. You will collect resources and build fortifications before the zombies arrive to kill the zombies that invade your home. In the game, you will unlock different defensive buildings, create a unique style, defend your home in a world full of zombies.
Celestial Defense is a sci-fi space tower defense strategy game where tactical base building and resource management determine your survival. Build asteroid belts, evolve planets, and withstand relentless wave survival combat against the Void.
We've traveled to the past to conquer these fertile lands. Now, you must defend them from the blood cult intent on taking it for themselves. Be careful though: from where their blood is spilled, ancient magicks empower whomever is still alive.
Drop Order is a dark sci-fi tactical tower defense where every turret placement shapes both your firepower and the enemy's route. Build synergistic defenses, create deadly mazes, and survive alien hordes with cards and hands-on drone combat.
A strategic and action-packed base survival game where you mine crystals, build units, and defend your base against waves of UFOs. Defeat enemies, gather resources, and unlock new planets to expand your defenses. Are you ready to conquer the galaxy?
This is Xhono overwatch space station. Enemy forces are attacking. All kinds of turrets, space station supports and plugins at your disposal. Please use your resources wisely, build your defense, face against all kinds of enemies, and explore the unknown secrets of Xhono.
Totally Defenceless is a wave-based tower defence game. You will need to protect your energy cores from the invading alien bugs by strategically constructing a maze of towers to alter their path to your advantage.
Taur is an action-strategy sci-fi game. Control the Prime Cannon and unlock all of its powerful weapons and abilities. Build turrets, droids, aircraft and more as you fight to protect the homeworld of the Tauron droids against a relentless invasion. Will your Taur stand against the Imperion warmachine?
Build towers, unleash ultimates and command six heroes in sci-fi tower defense. Play all 100 Scenario stages free. Try one-minute highlights of Basic and GRID COMMAND before purchase, then take your aerial fleet into GRID COMMAND's survival battles.
A factory game about building an army. Mine, smelt, and manufacture soldiers on an assembly line, then send them to fight a swarm that grows every hour. The more you automate, the bigger your army. Fall behind and the line breaks.
Defend your station with a click and survive as long as you can. Destroy the enemies, mine the deposit, then trade your ore for permanent upgrades. Every world has its own ore, its own enemies and its own rules.
Creeper World 3 is what happens when cellular automata takes over a strategy simulation. Instead of discrete units that attack your base, a fluid-like substance spreads over the terraformable terrain. Your base, your weapons, your strategy... you must adapt them all.
Expand among the stars! It is 72k years in the future, and a new wave of Human expansion abounds. Join the ranks of the Ecxos, prep star systems for habitation, and develop your tools and ships to enterprise ever faster and further.
Refactor is a hard-core tower defense game that combines modular building, route planning, and element composition.
Loop Defense is a single-player sci-fi tower defense game. Build enemy routes with base walls, assemble a modular defense, manage limited loadouts, energy, and research, face armored, flying, carrier, and wall-breaker units across a star map, or challenge Endless Mode.
A difficult maze-building tower defense about Yuki, a cat trapped in a teleporting jar. Protect it from robots and endure its unhelpful comments. Build your own paths, adapt as levels change, unlock powerful items, and uncover Yuki’s story. A love letter to Warcraft III custom maps.
Hold the line in a neon sci-fi siege. Deploy and upgrade 15 distinct towers, expose every enemy's weakness, and survive 50 escalating waves and relentless boss assaults. Every threat has a counter — find it before your base falls.
Atmospheric unique minimalist tower base defense game. Highly addictive.
Astro Industry Wars is a lighthearted, futuristic real time strategy game with base building, economic production chains, colorful worlds, and lots of vehicles.
Take the role of a Defence Commander and protect UPF assets remotely through the use of your Adaptable Nano Tablet in this immersive, PC focused Tower Defence Game. It's designed to be a tough but rewarding experience with character progression and the ability to configure towers to your own liking.
A rogue-like sci-fi Tower Defense strategy game with infinite replayability!
Tower Defense with resource- and base management! Waves of enemy robots with special abilities, shield and armor! Mining, refining and production for building and repairing! Environmental hazards and the best: the Orbital strike!
Build a space station. Command the tiny crew. Explore the galaxy. A meditative space strategy game.
HEXSTORM: Tears of Arcadia is a tactical tower defense with roguelike structure. Build your flying fortress, upgrade your ship, and combine powerful boosts. Every battle is unique. Uncover the mystery of the fallen captain.
A game where you will command 4 heroes (TD) in the defense of Earth from an army of AIs. Create cannons, place them in strategic locations, and level up. Each stage increases in difficulty progressively. You will also command the 4 heroes' ships and can even count on the help of a super robot.
Von Neumann Project is about a self replicating probe as it charts the galaxies, peacefully of course. Mine, build, expand, and explore in this sci-fi RTS. Remember to have as little impact on your surroundings as possible and protect yourself at all costs.
TAVU is a PvE RTS game with a tactical combat system. Build your bases and defend them against waves of enemy attacks. Upgrade your units and destroy enemy bases to gain new territories and resources.
Do you like Tower Defense games with Strategy elements? Well, look no further! We've got exactly what you're looking for! Get ready to defend your settlement from enemies using a huge arsenal of towers!
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