- #1 PlanetForge Protocol
97% matchNo user reviews
Dev: Railstar GamesPub: 2P Games
Windows
This is a strategy game that combines automated base construction with real-time tower defense. Land on a harsh alien planet, construct a vast automated industrial assembly line from scratch, and transform it into a formidable front capable of withstanding a massive influx of enemies.
Why similar: Tower Defense 18.6%, Automation 18.5%, Base Building 13%, RTS 12.6%, Resource Management 9.8%
- #2 Taur
96% matchMostly Positive80% of 2,113 reviews2020
Dev: Echo Entertainment
Windows
Median: 4.2 hrsMean: 7.0 hrs≥1hr: 76%
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?
Why similar: Tower Defense 28.8%, RTS 12.3%, Base Building 11%, Strategy 8.2%, Sci-fi 6.4%
- #3 Mechanocide: Fortress Omega
96% matchNo user reviews
Dev: Parsons Goldman Jones and Co
Windows
On a forgotten world, confront a malevolent machine intelligence. Extract minerals, build factories, power up the railguns, and arm the missile batteries. Defend the Fortress Omega against the alloyed nightmare.
Why similar: Tower Defense 21.5%, Automation 16.2%, Base Building 14.8%, Resource Management 10.7%, RTS 7.3%
- #4 Stellar Infestation
95% match7 user reviews86% of 7 reviews2025
Dev: YogurtGames
Windows
Dig minerals, manufacture ammunition, and build defense towers to fend off swarms of insects. A tower defense game with light production line elements.
Why similar: Tower Defense 23%, RTS 19%, Strategy 11.8%, Resource Management 11.3%, Sci-fi 9.9%
- #5 Galactic Frontiers - Defense Protocol
94% matchNo user reviews
Dev: mañana studios
Windows
Stand as humanity's shield against relentless waves of cosmic foes in this gripping sci-fi tower defense game. Employ advanced weaponry and deploy strategic defenses to repel enemy hordes across the galaxy's expanse. Can you withstand the onslaught in Galactic Frontiers?
Why similar: RTS 21.6%, Tower Defense 21.5%, Base Building 12.7%, Futuristic 9.9%, Sci-fi 9%
- #6 Thukothea Defender
94% match6 user reviews50% of 6 reviews2021
Dev: DjokaGames
Windows · Linux
A strategic tower-defense where you control powerfull drones. Unlock new tower and use specific technologies to defend your base on Thukothea!
Why similar: Tower Defense 33.7%, RTS 14.2%, Real Time Tactics 12.1%, Strategy 9.8%, Base Building 8.1%
- #7 Frontworks
93% matchNo user reviews2027
Dev: Antromech Games
Windows
Build a war factory on a hostile alien world. Extract raw ore and refine it into complex components. Automate logistics, manufacturing and army recruitment. Defend against huge waves of native robots and alien wildlife, then send your army to raze enemy bases for planetary domination.
Why similar: RTS 18.8%, Tower Defense 15.4%, Automation 15%, Base Building 11.2%, Resource Management 9.1%
- #8 Von Neumann Project
92% matchNo user reviews2026
Dev: TimesIllusionGames
Windows
Von Neumann Project is a space based RTS where you build, mine, and expand across the universe in an attempt to find your creator's equals. Play across 4 different sectors with 28 handcrafted missions, with each sector introducing unique enemies, buildings, and missions.
Why similar: Tower Defense 28.3%, RTS 26%, Strategy 11%, Base Building 10.5%, Sci-fi 6%
- #9 TAVU
91% matchNo user reviews
Dev: Juhani Viitanen
Windows
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.
Why similar: RTS 20.2%, Base Building 12.8%, Tower Defense 12%, Real Time Tactics 11.3%, Resource Management 10.7%
- #10 rymdkapsel
91% matchVery Positive82% of 279 reviews2014
Dev: grapefrukt games
Windows · Mac · Linux
Median: 2.1 hrsMean: 4.4 hrs≥1hr: 76%
Build a space station. Command the tiny crew. Explore the galaxy. A meditative space strategy game.
Why similar: RTS 22.4%, Tower Defense 21.8%, Real Time Tactics 14.8%, Base Building 12.2%, Resource Management 8.5%
- #11 HEX Defense
90% matchNo user reviews2028
Dev: Fun FactoryPub: unbeGames
Windows
HEX Defense is a tower-based strategy game set in a hexagonal world where you have to fight enemy forces by combining simple blocks into complex tower patterns.
Why similar: Tower Defense 24.2%, RTS 23%, Real Time Tactics 13.2%, Strategy 12.2%, Base Building 8.2%
- #12 Rebellion Corporation
89% matchPositive93% of 15 reviews2023
Dev: OO Games
Windows
On planets occupied by robots, mine resources and escape while fending off their attacks! The Ark's survival is entirely in your hands. Many elite crews with abilities will assist you in your mission. The various turret modules are always doing their best to defend your base without your attention.
Why similar: RTS 18.5%, Tower Defense 17.5%, Real Time Tactics 10.7%, Resource Management 8.1%, Sci-fi 7.3%
- #13 Human Protocol
89% matchNo user reviews
Dev: IONAR Studio Games
Windows
Human Protocol is a real-time strategy game about humanity's war against a self-aware AI. Build your base, manage resources, command military units, strengthen your defenses, and survive increasingly dangerous enemy attacks.
Why similar: RTS 28.6%, Base Building 15.4%, Real Time Tactics 13.2%, Resource Management 11%, Strategy 10.7%
- #14 JKRobots
88% match1 user reviews100% of 1 reviews2026
Dev: JKRobots
Windows
Take on thousands of robots in a massive, 25-hour macro-focused RTS campaign. Reclaim territory, harvest resources, and upgrade your army to crush the machine stronghold. But beware: the harder you push, the harder they push back.
Why similar: RTS 33.1%, Tower Defense 26.6%, Strategy 14.6%, Resource Management 13.5%, Base Building 12.2%
- #15 The Extinction Directive
87% match1 user reviews100% of 1 reviews2025
Dev: CustomBit
Windows
A single-player sci-fi strategy game set in a future where humankind has made the first leap to a distant star system
Why similar: RTS 25%, Tower Defense 22.4%, Real Time Tactics 13.1%, Strategy 12.1%, Futuristic 8.8%
- #16 Mindustry
86% matchOverwhelmingly Positive96% of 28,247 reviews2019
Dev: AnukenDev
Windows · Mac · Linux
Median: 4.9 hrsMean: 28.4 hrs≥1hr: 76%
An open-ended factory management game with RTS and tower defense elements.
Why similar: Tower Defense 22%, RTS 20.6%, Automation 19.4%, Base Building 15.3%, Resource Management 12.4%
- #17 Automatrons - Tower Defense
86% match6 user reviews67% of 6 reviews2023
Dev: Cold Mass Digital Entertainment
Windows · Mac · Linux
Join our machine legion to conquer the world.
Why similar: Tower Defense 20.2%, RTS 18.8%, Futuristic 11%, Real Time Tactics 10%, Sci-fi 8%
- #18 Celestial Sentinel
85% matchNo user reviews2026
Dev: 野象游戏工作室 Elephas Game Studio
Windows
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.
Why similar: RTS 25.1%, Tower Defense 22.4%, Real Time Tactics 13.1%, Strategy 11.7%, Futuristic 7.1%
- #19 Space gold rush TD
84% matchNo user reviews2028
Dev: Bottled Pixel
Windows
Join in on the next gold rush and become a prospector in space. In this unique tower defense you can set up and reposition towers for maximum efficiency and adapt to the environment.
Why similar: Tower Defense 20.5%, RTS 20.4%, Real Time Tactics 10.3%, Space 9%, Sci-fi 7.9%
- #20 Cosmic Robots
83% match1 user reviews100% of 1 reviews2026
Dev: Aniode Pub: Aniode
Windows · Mac
Defend your planet from waves of robot invaders! Build powerful turrets, upgrade your defenses, and command robot units to fight drones, tanks, and massive bosses. Then send your own forces to attack the enemy planet in this action-packed sci-fi tower defense game.
Why similar: Tower Defense 24.7%, RTS 21.7%, Strategy 9.8%, Sci-fi 8.4%, Base Building 7.3%
- #21 Vermin Control
84% match1 user reviews0% of 1 reviews2025
Dev: L.L.B.
Windows
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.
Why similar: Tower Defense 23.5%, Real Time Tactics 13.9%, RTS 12.7%, Resource Management 10.9%, Sci-fi 9.8%
- #22 Total Tower Engine
82% matchNo user reviews
Dev: RubyRTS
Windows · Mac · Linux
Tired of RNG and card draws? Experience a "Plan first, pay later" economy where construction scales with your income in real time. As the map grows massive, only careful planning. Not a lucky roll, will keep you alive.
Why similar: Tower Defense 29.5%, RTS 28.2%, Base Building 14.8%, Resource Management 14.8%, Strategy 7.8%
- #23 Space Tower Defense
81% match1 user reviews0% of 1 reviews2026
Dev: KKDM
Windows
A strategic space tower-defense game. Enemies detect, warn, and try to bypass defenses, forcing you to adapt. Combine diverse towers and face unique maps for varied battles. With tense sci-fi atmosphere, it delivers a fresh experience beyond traditional tower defense.
Why similar: RTS 24.4%, Tower Defense 22.5%, Real Time Tactics 13.6%, War 8.6%, Strategy 8%
- #24 Recursion
81% matchNo user reviews
Dev: Cidots
Windows
Flowchart is your weapon. Recursion is a strategy game merging logic circuit design with tower defense. architect their paths, and defend the system by engineering the perfect logic loop with maximum efficiency.
Why similar: Tower Defense 27.5%, Automation 19.3%, RTS 16%, Strategy 10.6%, Base Building 10.4%
- #25 Space Base Defense
80% match3 user reviews33% of 3 reviews2025
Dev: Morgenmiddag
Windows · Mac
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?
Why similar: RTS 22.2%, Tower Defense 20.6%, Real Time Tactics 12.5%, Base Building 9.1%, Resource Management 7.6%
- #26 Sphere Invasion
82% match2 user reviews0% of 2 reviews2020
Dev: Space and Frogs
Windows
Sphere Invasion is Sci-Fi Tower Defence. Build your own road and defend it with 7 unique towers.
Why similar: Tower Defense 24.8%, Real Time Tactics 15.1%, Resource Management 8.8%, War 8.5%, Space 8.4%
- #27 ChargeDrop
79% matchNo user reviews
Dev: GliderDrones
Windows
A physics-driven tower defense game where one massive cube does everything: fight, build, activate, and survive. Drop into a neon sci-fi battlefield, hold back waves of Chaos Dice, and power up your defenses through energy, momentum, and precision.
Why similar: RTS 25.5%, Tower Defense 22.8%, Real Time Tactics 12.3%, Strategy 12.3%, Futuristic 8.3%
- #28 Void Guard Outpost
79% match3 user reviews67% of 3 reviews2025
Dev: Winged Dog Studios
Windows
Build towers, shape enemy paths, and defend your outpost from endless waves. Survive escalating threats, destroy falling asteroid hazards, and push your defenses to their limits in Endless Mode.
Why similar: Tower Defense 26%, RTS 21.7%, Real Time Tactics 11.4%, Sci-fi 10.1%, Strategy 7.6%
- #29 Close the Sky
77% match2 user reviews100% of 2 reviews2026
Dev: Iron Trident Games
Windows
A real-time war of air defence and industry. Build the economy, bury it, and layer SAMs over what you cannot hide. Read a fading intel picture of the enemy base and aim every missile yourself. Break their will to fight before they break yours.
Why similar: RTS 24.4%, Tower Defense 19.9%, Real Time Tactics 13.3%, Base Building 11.2%, Resource Management 7.5%
- #30 Alpha Ceti TD
78% matchNo user reviews2026
Dev: Alpha DevelopmentPub: HASH CLASH
Windows · Linux
Classic Tower Defense meets space exploration. Build turrets on mining platforms, harvest enemies to build more defenses, and mine Dark Energy to travel the stars. As a sentient AI, you must upgrade your tech, scan planets, and find a new home for humanity before Earth fades away.
Why similar: Tower Defense 25.3%, Real Time Tactics 18%, Strategy 10.5%, Base Building 10.1%, Sci-fi 6.6%
- #31 Stelvyr: Colony Defense
78% matchNo user reviews
Dev: CannyEdge Interactive
Windows
Build and defend a space colony where every unit of power and every crew assignment matters. Expand production, research new technologies, shape the battlefield with walls and weapons, and adapt your strategy against alien swarms across nine campaign operations.
Why similar: RTS 23.8%, Tower Defense 16.7%, Strategy 12%, Real Time Tactics 9.9%, Simulation 8.8%
- #32 Ad Astra: Sci-Fi Tower Defense
77% match7 user reviews57% of 7 reviews2024
Dev: Azure Moon Games Ltd.
Windows
Lose yourself in an indie solo-dev. treasure that harkens back to arcade classics! All while thumping along to killer retro-inspired beats by Ovani sound. Embark on an epic tower defense adventure against awe-inspiring machine monstrosities, made by a devoted gamer for devoted gamers.
Why similar: RTS 23.4%, Tower Defense 23.3%, Base Building 13.4%, Resource Management 10.2%, Sci-fi 9%
- #33 Rise of the Cones: Planetary Defense
75% matchPositive82% of 44 reviews2026
Dev: Baris Lab
Windows
Rise of the Cones is a tower defense game where a relentless army of cones is marching toward your base. They will not stop. Build towers, shape them with branching upgrades, and figure out how to hold the line.
Why similar: Tower Defense 28.6%, RTS 22.9%, Base Building 15.5%, Strategy 10.8%, Sci-fi 10.7%
- #34 Negative Energy
76% match3 user reviews67% of 3 reviews2025
Dev: ByVal Games
Windows · Linux
Negative Energy is a tower defense game with basic RTS mechanics, where your goal is to defend the construction of a Dyson sphere, while fighting against waves of hundreds of enemies ships.
Why similar: Tower Defense 24.9%, RTS 24.3%, Real Time Tactics 13.7%, Strategy 12.4%, Futuristic 6.1%
- #35 Exone Rift
76% matchNo user reviews
Dev: Faraway Home
Windows · Mac
Take direct control of your hero on a hostile planet. Build your base, gather resources, expand your territory your way, and survive against the planet’s deadly wildlife.
Why similar: RTS 22.3%, Tower Defense 16.3%, Automation 13.5%, Base Building 12.9%, Real Time Tactics 12.3%
- #36 Tau Cubis
74% matchPositive91% of 11 reviews2023
Dev: Cube Mandarine
Windows · Mac · Linux
Tau Cubis is a mazing tower defense game set in colorful sci-fi landscapes. Use your strategic skills to overcome numerous challenges and advance through the leaderboards.
Why similar: Tower Defense 28%, Strategy 13.4%, RTS 11.1%, Sci-fi 10.6%, Space 8.8%
- #37 Hobgoblins Against Dwarfs
73% matchNo user reviews
Dev: Enigma Empire Entertainment
Windows
Craft an unstoppable defence using Dwarven Towers and a fearless squad, then take on waves of invading Hobgoblins in this thrilling real-time strategy tower defence game! Strategize, upgrade, and triumph in Hobgoblins Against Dwarfs!
Why similar: Tower Defense 29.5%, RTS 27%, Base Building 13%, Strategy 11.5%, Real Time Tactics 9.1%
- #38 SpaceFront
73% matchNo user reviews
Dev: Pixel Herd
Windows
SpaceFront is a military real-time strategy game. Control Corgis, wage battles, build your army and defend the galaxy from soviet invasion! No game will be the same thanks to procedurally generated campaigns! Join the effort, join the SpaceFront!
Why similar: RTS 22.2%, Base Building 12.9%, Real Time Tactics 11.1%, Sci-fi 9.2%, Resource Management 9%
- #39 MarZ: Tactical Base Defense
74% matchMostly Positive78% of 890 reviews2019
Dev: Giant Grey
Windows
Median: 2.6 hrsMean: 5.5 hrs≥1hr: 70%
Build your defense base to fight back the undead hordes of Mars and secure the future of the red planet. MarZ is a game of strategy and tactical defense where you must carefully manage your crew and resources as you try to uncover the terrible secrets of the undead.
Why similar: Tower Defense 26.9%, RTS 22.3%, Base Building 10.3%, Strategy 9.1%, Tactical 7.3%
- #40 Nine Marches
73% matchNo user reviews
Dev: 先胜工作室
Windows
A single-player tower defense game across the vast Ming frontier. Serve as a garrison commander, earn military promotions and take charge of greater forces. Build your defenses and withstand massed Later Jin Eight Banner assaults in one continuous world.
Why similar: Tower Defense 27.7%, RTS 25.5%, Base Building 14.5%, Real Time Tactics 10.1%, Strategy 8.3%
- #41 Warpips
72% matchVery Positive87% of 5,222 reviews2022
Dev: Skirmish Mode GamesPub: Daedalic Entertainment
Windows
Median: 2.0 hrsMean: 8.2 hrs≥1hr: 66%
Warpips is the ultimate quick to learn but amazingly deep tug-of-war strategy game. Deploy the right composition of soldiers, tanks, helicopters and planes in this tight, streamlined strategy-focused war game. Compose the best army, research the right tech; overwhelm your enemy!
Why similar: RTS 23.7%, Tower Defense 23.3%, Resource Management 10.8%, War 10.8%, Base Building 8.6%
- #42 Failover
72% matchNo user reviews2027
Dev: Maksym Vostruhin
Windows
Take command of civil air defense under constant threat. Build radar networks, manage power and resources, and decide when to sound the sirens. Every choice has consequences. Hold your cities together as escalation turns survival into strategy.
Why similar: RTS 24.3%, Real Time Tactics 17.5%, Resource Management 11.6%, Strategy 11.1%, Base Building 10.9%
- #43 Little Kingdom RTS
71% matchVery Positive87% of 82 reviews2025
Dev: MyDreamForeverPub: Andgo Games
Windows
Little Kingdom RTS is an indie real-time strategy game set in a medieval fantasy world. Gather resources, build settlements, raise walls, and grow your small kingdom. Command an army of knights, archers, and mages to fight off rival kingdoms, orcs, and undead.
Why similar: RTS 21.5%, Tower Defense 20.9%, Base Building 13.2%, Real Time Tactics 11.2%, Resource Management 10.6%
- #44 Atahion - Tower Defense
71% matchNo user reviews2027
Dev: EhtChaos
Windows
Build your defense base to repel alien invaders. Atahion is a strategy and tactical defense game in which you have to extract resources, build defense towers and use bonuses to complete the mission.
Why similar: Tower Defense 30.9%, RTS 28.5%, Base Building 15.8%, Sci-fi 10.3%, Strategy 9.1%
- #45 Starfort
70% matchNo user reviews2026
Dev: Starfort, Inc.
Windows
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.
Why similar: Tower Defense 30.9%, Strategy 15.8%, Futuristic 11.9%, Base Building 9.2%, Sci-fi 8.6%
- #46 Earth's Last Stand
70% matchNo user reviews
Dev: TAbandija
Windows
A planetary tower defense where enemies attack across land, air, and space. Build layered defenses, manage resources, and survive an escalating alien invasion.
Why similar: Tower Defense 31.6%, Real Time Tactics 13.4%, Base Building 12.7%, Strategy 9.3%, Sci-fi 6.3%
- #47 Galaxy Commanders
70% matchNo user reviews
Dev: MagmaByte
Windows
ASSEMBLE AND COMMAND YOUR SPACE FLEET TO VICTORY
Why similar: RTS 24%, Real Time Tactics 18.8%, Space 11.9%, Strategy 10.5%, Tower Defense 9.8%
- #48 Void TD
69% matchNo user reviews
Dev: kalopsys
Windows · Linux
Build powerful defenses, collect loot, combine effects, and survive evolving waves from the void in a tower defense game driven by ARPG-inspired buildcrafting and persistent progression.
Why similar: RTS 22.7%, Tower Defense 21.1%, Real Time Tactics 12.9%, Futuristic 10.5%, War 9%
- #49 Super Onslaught
68% matchNo user reviews2026
Dev: Cactu
Windows
A real time strategy, tower defense game where you can evolve your turrets and give them special abilities.
Why similar: Tower Defense 27.8%, RTS 26.9%, Real Time Tactics 15%, Strategy 14.4%, Resource Management 8.7%
- #50 Defensive War -SEALED GOLEM-
71% matchNo user reviews2022
Dev: S.T-Brothers
Windows
Human VS monsters. Protect the castle! Wave-based real-time strategy (RTS). Protect your castle from attacking enemy monsters with warriors, Cavalry, magic, catapult. The Hero and the golem, along with his companions, go looking for the cause of the appearance of monsters in the world.
Why similar: RTS 28.7%, Tower Defense 23.8%, Real Time Tactics 16.2%, Strategy 14%, Simulation 8.7%
- #51 Defenders of Legends
69% matchMixed60% of 10 reviews2023
Dev: Knight-HD
Windows
Defend your kingdom against legendary monsters. Place turrets strategically to block their path. Upgrade your defenses to fend off enemy hordes. Become the legendary guardian of the earth alone or in co-op!
Why similar: RTS 24.4%, Tower Defense 24.1%, Real Time Tactics 14.3%, Base Building 9.6%, Strategy 9%
- #52 BELTFED - Roguelike Factory Defense
68% matchNo user reviews2027
Dev: Hello World Studios
Windows
You are a rogue AI with one directive: AUTOMATE DEATH. Shred, burn and vaporize overwhelming swarms of ravenous bugs as your part factory, part war machine lays waste to one world after another. In BELTFED, the factory is your weapon.
Why similar: Tower Defense 21.3%, Automation 19.8%, RTS 19.5%, Base Building 14.6%, Resource Management 12%
- #53 System Status: SuperCritical
68% matchNo user reviews2026
Dev: KliksutiGames
Windows
Defend your base by placing towers strategically, forming interconnected systems that depend on one another. Adapt your strategy to different environments and enemy waves, exploiting their weaknesses. In System Status: SuperCritical, resources are scarce and critical failure is always an option.
Why similar: Tower Defense 28.1%, Real Time Tactics 14.2%, Strategy 11.1%, Space 10.8%, Base Building 8.7%
- #54 Mob Factory
67% matchMostly Positive73% of 478 reviews2023
Dev: LiterallyEveryone Games
Windows
Median: 1.8 hrsMean: 7.6 hrs≥1hr: 63%
Mob factory is an tower defense and automation game for the lazy adventurer. Smelt down enemy loot into turrets & factories to automate an ever expanding dungeon from the comfort of your tower.
Why similar: Tower Defense 24.4%, Automation 21.9%, Base Building 14%, Resource Management 13.4%, RTS 12.6%
- #55 This Is Not A Dungeon
67% matchNo user reviews2026
Dev: Paper Kite Games
Windows
TINAD is a unique tower defense game where you defend your retirement home from overeager heroes. Play as the dungeon itself. Deploy traps, summon minions, and prove you’re just trying to enjoy your golden years in peace against heroes who can’t read the sign and assume every dungeon is evil.
Why similar: Tower Defense 29.6%, Base Building 18%, Real Time Tactics 14.2%, Resource Management 13.3%, Strategy 10.2%
- #56 1931-1945: Their Childhood - Tunnel Warfare/地道战
67% matchNo user reviews2025
Dev: Hongji Interactive
Windows
1931-1945,the chinese Tunnel Warfare. Customizable map WWII RTS simulation with player-designed tunnels, dynamic difficulty, and enemy AI. Base strategies and tech choices shape unique combat styles. Experience authentic WWII tactics, not fantasy.
Why similar: RTS 26.6%, Tower Defense 23.8%, Real Time Tactics 14%, Strategy 12.7%, War 6.9%
- #57 Iron Wall Protocol
66% matchNo user reviews
Dev: Ox Dynamics
Windows
An RTS and tower defense hybrid about holding a border. Draw the roads, raise the wall, spread your sensors, and hold one sector of a small country through seven days of rockets, tunnels and drones. Or go offensive: hunt down the launch sites and end the war early. Every campaign is a different war.
Why similar: RTS 29.6%, Tower Defense 25.1%, Base Building 14.9%, Strategy 10%, War 5.8%
- #58 IRON GUARD
67% matchVery Positive95% of 161 reviews2021
Dev: Xlab Digital
Windows
Median: 2.3 hrsMean: 5.1 hrs≥1hr: 76%
A sci-fi roomscale VR Tower Defense game. Strategize to destroy waves of rogue robots and assist the powerful turrets with a handheld drone. Build and collect resources and help evacuate your crew from the alien planet.
Why similar: RTS 20.3%, Tower Defense 20.2%, Real Time Tactics 10.5%, Sci-fi 8.6%, Futuristic 8.5%
- #59 Zero Boundary Line
66% matchNo user reviews2026
Dev: 枕头人
Windows
This indie sci-fi TD has easy controls. Play as a futuristic commander defending humanity from mutants across diverse maps. Beat levels to unlock units: defenders, melee fighters, crowd controllers. Buy unique shop units, mix ability units for powerful custom defense lines.
Why similar: RTS 31.2%, Tower Defense 27.5%, Strategy 15.5%, Futuristic 11%, Sci-fi 7.8%