
A 3D FPS/TPS Tower Defence game in a sci-fi world, defend your base from corrupted robots and unlock better turrets
60+ similar titles based on shared tags and player behavior. Themes include Strategy, RTS, Tower Defense, Action RTS.

A 3D FPS/TPS Tower Defence game in a sci-fi world, defend your base from corrupted robots and unlock better turrets

Tower Defense Ultimate: Crashfall Protocol
Defend your base against relentless alien waves in a sci-fi tower defense strategy game. Build deadly kill zones, unlock new towers and special abilities, and adapt your loadout to survive escalating assaults across a hostile campaign.

Decimation
Sci-fi tower defense meets ARPG-like hero combat. Build towers then fight alongside them with your hero as you battle through a campaign to uncover the fate of a colonization effort on a distant planet.
Defend your base against relentless alien waves in a sci-fi tower defense strategy game. Build deadly kill zones, unlock new towers and special abilities, and adapt your loadout to survive escalating assaults across a hostile campaign.
Why similar: Action RTS 24.1% ★, Tower Defense 18.6%, Real Time Tactics 14.4%, RTS 14.4%, PvE 8.9%
Sci-fi tower defense meets ARPG-like hero combat. Build towers then fight alongside them with your hero as you battle through a campaign to uncover the fate of a colonization effort on a distant planet.
Why similar: Tower Defense 22.3%, Action RTS 19.5% ★, RTS 12.7%, Real Time Tactics 10.8%, Strategy 7.7%
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: Action RTS 20.1% ★, RTS 15%, Tower Defense 14.8%, Real Time Tactics 12.9%, Robots 8.3%
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 21%, RTS 16.8%, Building 14.6%, Real Time Tactics 13.2%, PvE 9.1%
BioFusion is a VR co-op multiplayer, PvE, first-person-shooter, tower defense game. Swing on a grappling hook, ride a hovercraft, throw grenades, collect buffs, build towers and traps. Do what you must to keep the mutants from the Spores of Evolution.
Why similar: Action RTS 25.6% ★, Tower Defense 17%, RTS 16.1%, PvE 9.9%, Shooter 8.6%
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 21%, RTS 17.7%, Action RTS 16.2% ★, Robots 10.5%, Strategy 8.4%
"Godcall Defense Line" is a multiplayer cooperative game. It combines action, strategy, real - time strategy, and tower defense. Players can summon gods, ghosts, beasts, heroes, and build defenses like walls and guns to fend off continuous enemy attacks.
Why similar: Action RTS 24.6% ★, Tower Defense 16.6%, Real Time Tactics 13.8%, RTS 12.5%, Building 11.6%
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 23.9%, RTS 20.9%, Action RTS 19.7% ★, Real Time Tactics 10.5%, Strategy 9.4%
3D-realtime tower defense game with (rainbow-) UNICORNS!
Why similar: Tower Defense 21.5%, RTS 20.1%, Real Time Tactics 17.1%, 3D Vision 15.6% ★, Strategy 7.4%
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: Action RTS 19.1% ★, RTS 16.9%, Real Time Tactics 14.1%, Tower Defense 10.5%, PvE 10.3%
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: Action RTS 22.5% ★, Tower Defense 18%, RTS 17.2%, Real Time Tactics 13%, Strategy 5.9%
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 21.2%, Action RTS 20.6% ★, RTS 19.8%, Real Time Tactics 16.6%, Strategy 10.7%
Defend your tower for as long as you can from the aliens invading your space! Level up, earn money and new units, and strategically place them in the grid!
Why similar: Action RTS 26.1% ★, Tower Defense 19.4%, RTS 14.1%, PvE 10.1%, Futuristic 7.9%
It’s a defense game where you create your own strategy, grow your units, and defend against enemies.
Why similar: Action RTS 26.5% ★, Tower Defense 19.7%, RTS 19.2%, Real Time Tactics 16.1%, Strategy 6.6%
Conjure towers and cast spells to slay hordes of enemies attempting to destroy your lone bastion
Why similar: Tower Defense 27.4%, Action RTS 20.4% ★, Real Time Tactics 11.9%, Strategy 11%, PvE 9.1%
DefenseCraft brings revolutionary new mechanics to the tower defense genre, combining the traditional tower defense style with exploration, crafting, and more! Gather materials to create the ultimate defenses to survive the hostile ecosystem.
Why similar: Action RTS 23.9% ★, Tower Defense 18.2%, RTS 17.3%, Real Time Tactics 14%, PvE 5.9%
Use projectile-based towers, unique tower interactions, and overpowered weapons to strategically conquer the endless waves in this 3rd-person tower defense game!
Why similar: Action RTS 21.4% ★, Tower Defense 20.7%, RTS 12.5%, Real Time Tactics 10.7%, Building 9.7%
Paddle Protectors is an mix of tower defense, real-time strategy and city-building. You will fight against crabs. Establish farms and factories to produce ammunition and resources, fortify your land, lead your soldiers and tanks.
Why similar: Action RTS 25.4% ★, Tower Defense 19.8%, RTS 16.5%, Real Time Tactics 13.1%, Building 9%
Axon TD lets you expand the map boundaries themselves. A huge arsenal of towers and a wide variety of enemies clash in a battlefield that grows to your whims. Engage in single, cooperative, and roguelite gameplay.
Why similar: Tower Defense 20.1%, Real Time Tactics 16.8%, RTS 16.2%, PvE 10.4%, Building 9.9%
Blast off in this retro-style space shooter! Conquer planets, outwit AI enemies, and survive the dangers of deep space in fast-paced, nostalgic pixel action.
Why similar: Action RTS 27.2% ★, RTS 24%, Real Time Tactics 18.5%, Strategy 12.5%, Shooter 12.4%
Ratatata is an isometric Tower Defense game where you lead a space rat kingdom fending off a ruthless cat invasion! Fight across diverse environments and adapt your strategies to survive the relentless waves of these fierce felines!
Why similar: Action RTS 26.9% ★, Tower Defense 19.9%, RTS 19.3%, Real Time Tactics 15.8%, Strategy 7.2%
Sussy tower defense game with unlimited ways to play the game. Play with unique towers and upgrade them to create perfect defense. Master every map and become the greatest sussy commander.
Why similar: Action RTS 29.9% ★, Tower Defense 22.1%, Real Time Tactics 17.4%, Strategy 11.2%, Building 10.4%
Mechanical Trap is a 2D horizontal tower defense game with gravity effects, with a variety of defense towers to collect and use together, a rich map, each enemy has a different way of restraining, and each defense tower has a different function.It's challenging. Do you dare to accept the challenge?
Why similar: Tower Defense 23.6%, RTS 21.5%, Real Time Tactics 15.7%, Building 9.3%, Strategy 8.2%
Grey Galactic is a real time strategy game in space where you build up your planets and ships to conquer your enemies. Develop your empire and fleet of spaceships to destroy your enemies and take over the galaxy! Do you have what it takes to become the best Fleet Captain the UFMC has ever seen?
Why similar: Action RTS 27.3% ★, RTS 19.3%, Real Time Tactics 16.6%, Building 12.5%, Futuristic 7.3%
Cosmic Stronghold is a mix of the genres RTS and Tower Defense. Your primary goal is to keep your space station alive for as long as possible, so that it can harvest the nearby mines for precious mineral ores. You will be faced with waves of enemies, getting stronger and stronger for each wave.
Why similar: Action RTS 25.8% ★, RTS 18.8%, Tower Defense 18.4%, Real Time Tactics 15.6%, Building 9.5%
Create your own distinctive towers, enhance only the necessary components, and experiment with them in quick battle mode. THWN enables you to craft each tower individually using runes that determine the projectile and its effects, giving you the freedom to adopt strategies that suit your play style.
Why similar: Tower Defense 19%, RTS 18%, Real Time Tactics 16.1%, Action RTS 13.4% ★, Building 13.2%
Adventure TD brings you back the good old classic kind of tower defense, with a bunch of different upgradable towers, game modes, maps and difficulties. All needed hotkeys are configurable, so there are no excuses for failures. Prove that you can master the game and try to improve your high score.
Why similar: Tower Defense 28.3%, Real Time Tactics 18.9%, 3D Vision 15.8% ★, Strategy 11.8%, PvE 11.5%
They Fear The Mist is a real-time strategy game, where you command your Troops, build your Settlement, fight off thousands of Enemies and explore the Unknowns of the Mist. Take command of your people and defend them from the incoming hordes… Can you survive?
Why similar: Action RTS 21.1% ★, RTS 18.3%, Tower Defense 15%, Real Time Tactics 12.4%, Building 9.9%
Keep is a WW2-themed strategy shooter where you place flak turrets to defend your fortress, then jump into first-person mode to shoot down enemy planes. Switch between tactical planning and direct combat in a fast-paced blend of strategy and action
Why similar: Action RTS 34.3% ★, RTS 20.4%, Real Time Tactics 19.5%, Building 8.7%, Strategy 6.4%
Island Crusaders is a cute yet brutal tactical RTS game. Defend your home against swarms of enemies as your picturesque island gets stained by the blood of your enemies. Unlock new and unique units, strategically place and move them, and defeat the impending army.
Why similar: Action RTS 23.3% ★, RTS 19.7%, Real Time Tactics 19%, Tower Defense 18.9%, PvE 9.7%
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: Real Time Tactics 23.5%, Tower Defense 23.1%, PvE 12.9%, Strategy 9.7%, Building 7.6%
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: Action RTS 21% ★, Tower Defense 17.7%, RTS 17.1%, Real Time Tactics 13.1%, Robots 9.9%
A 2D Strategic Base Defender game set in Medieval times. As relentless Waves of enemy forces threaten your Stronghold, you must gather Resources, Fortify your Defenses and lead your Rebellion. Prepare to strengthen your Base and manage your Resources. But beaware of the Storms!
Why similar: Action RTS 23.7% ★, Tower Defense 19.1%, Real Time Tactics 14.1%, RTS 11.9%, Building 10.3%
Atom Assault throws you into a chaotic Red vs Blue war where everything explodes, infantry fish for money, and you can even pilot nukes in first person. Full 3D, fully destructible world, fast, funny, proudly indie. If you miss old school RTS mayhem, this one hits hard.
Why similar: Action RTS 24.7% ★, RTS 18.4%, Tower Defense 17.6%, Real Time Tactics 14.6%, Robots 8.8%
Co-op twin-stick base building survival game.
Why similar: Action RTS 22% ★, RTS 16.1%, Tower Defense 15.5%, Real Time Tactics 13.5%, Building 9.5%
Defend the Dead is a 3D action tower defense game where pesky humans try to destroy your chaos crystal Set traps, cast spells, and rise into battle, upgrading your skills to fend off endless waves.
Why similar: Action RTS 25.5% ★, Tower Defense 19.2%, RTS 18.4%, Real Time Tactics 15.5%, Strategy 6.9%
Customize your Ships, Upgrade your fleet, and Command your way to victory in this ruthless rogue-lite tower defense/real time strategy hybrid. Take on an enemy that learns from your moves and adjusts its own path. Do you have what it takes to persevere?
Why similar: Action RTS 20.5% ★, RTS 18%, Tower Defense 17.2%, Real Time Tactics 12.4%, PvE 7.8%
"SYNCHRONIZERS: UNDEAD MARINES" blends high-quality Three-Lane Tower Defense with Reverse Tower Defense gameplay. Command your units in a thrilling narrative reminiscent of a StarCraft and Plants Vs. Zombies fusion! Your choices will forge the path to victory—or defeat.
Why similar: Action RTS 25.3% ★, Tower Defense 15.5%, Real Time Tactics 15.2%, RTS 14.6%, Shooter 6.9%
A twist on the tower-defense genre, play as a bear tribe chief defending their home against the forces of the ocean as they attack you in anger and retaliation due to overfishing. Place towers, command minions, and defend the camp from the enemy.
Why similar: Action RTS 25.7% ★, Tower Defense 17.2%, Real Time Tactics 15.7%, RTS 15.4%, PvE 9.5%
Master strategic gameplay as you build, train, and upgrade units to protect your base. With an immersive storyline, stunning visuals, and easy controls, it's an epic battle for survival!
Why similar: Action RTS 32.4% ★, Tower Defense 22%, RTS 21.2%, Third Person 7.6%, Strategy 7.5%
Byte Lynx is a fast-paced RTS with no units. Build defenses, dismantle your enemy, and steal their buildings in this deeply tactical building combat-based strategy game. Expand your arsenal across a series of diverse levels!
Why similar: Action RTS 23.9% ★, RTS 17.4%, Tower Defense 15.4%, Real Time Tactics 11.3%, PvE 8.4%
Use your towers to build a maze to kite the enemies to make more damage. But don’t block their way or they will go aggro on you! Use the checkpoints to have the enemies walk longer routes through your maze. Build your own maps in the map editor.
Why similar: Action RTS 31.9% ★, Tower Defense 23.6%, Building 15.1%, Strategy 11.9%, 3D 5.5%
This is a sci-fi strategy game featuring a Defense Mode focused on tower defense and an Attack Mode focused on combat. The game includes over 30 different buildings and units, all of which can be upgraded through entry editing to enhance their performance and firepower.
Why similar: Tower Defense 19.7%, RTS 19.4%, 3D Vision 15.9% ★, Real Time Tactics 10.9%, Futuristic 7.7%
Voxel Vanguard is a dynamic strategy game set in a vibrant voxel world where players must strategically expand their territory by placing interconnected towers. Navigate through voxel worlds, strategically deploy towers, and connect them with tethers to fend off threats and conquer new territories.
Why similar: Action RTS 24.4% ★, Tower Defense 18.6%, RTS 17.4%, Real Time Tactics 16.1%, PvE 8.9%
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: Action RTS 32.3% ★, Tower Defense 21.8%, RTS 20.9%, Strategy 7.4%, Sci-fi 6.3%
Control a Nanite body from a space station to gather Nanite resources on Earth, seized by a rogue AI. Build and fortify your dropbase with turrets and defenses, fight waves of robotic enemies, and collect Nanites for extraction, balancing fast FPS combat with strategic tower placement.
Why similar: Tower Defense 24.3%, Shooter 14.5%, Building 13.3%, Robots 9.1%, Strategy 8.9%
A Roguelike tactics game where you fight hordes of aliens. Your Units evolve and learn new skills as the fight goes on. Manage your squad of 5 specialised mercenaries, and fight a never ending war against the infestation.
Why similar: Action RTS 28.9% ★, Real Time Tactics 20.7%, RTS 17.5%, PvE 11.1%, Strategy 8.1%
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 35%, Real Time Tactics 18%, RTS 14.1%, Strategy 10.3%, PvE 9.5%
You play in a SciFi environment with LowPoly graphics, engaging in Tower Defense. Manage resources! Each round introduces more enemies that you must defeat. Build resource ships in the factory and simultaneously construct towers on the platforms to fend off the adversaries.
Why similar: Action RTS 35.7% ★, Tower Defense 26.9%, Strategy 14.6%, Building 12.9%, 3D 6.1%
Cubic Annihilation is a fast-paced RTS that demands skill and tactical thinking. Build your own faction by crafting a custom loadout of units, structures, and modifiers, then command cubic armies across land, sea, and air in tight, real-time combat.
Why similar: RTS 23.4%, Real Time Tactics 20.7%, Building 13.8%, Strategy 8.6%, Robots 8.2%
Neonverse defenders: The retro-futuristic 3D Tower Defense game.
Why similar: Tower Defense 26%, Real Time Tactics 21.3%, Science 14.1% ★, Strategy 13%, Futuristic 7.6%
Fast-paced multiplayer territory conquest. Host your own server, invite friends over LAN, and battle for control of procedurally generated maps. Four game modes, alliances, bot opponents, and cross-platform play.
Why similar: Action RTS 28.3% ★, RTS 22.9%, Real Time Tactics 19.2%, Strategy 11.5%, Casual 6.8%
Combine FPS skill and RTS strategy in one game. From the strategic overview of a commander to the focused fire of a frontline soldier, every perspective serves the same purpose: absolute victory. Experience a war where every life has value and every order carries the weight of consequence.
Why similar: RTS 30.3%, Action RTS 23.2% ★, Strategy 10.7%, Shooter 10.5%, First-Person 5.8%
Reapers Inc., is a fast-paced RTS where you lead an elite squad to defend your base against relentless intergalactic threats. Navigate diverse planetary biomes, strategically manage your squad, and use quick decision-making skills to exterminate your foes. Stand your ground, and reap the rewards.
Why similar: Action RTS 31.3% ★, Real Time Tactics 18.6%, RTS 18.5%, PvE 12.1%, Strategy 6.4%
It’s a defense game where you create your own strategy, grow your units, and defend against enemies.
Why similar: Action RTS 26.3% ★, Tower Defense 21%, RTS 19.7%, Real Time Tactics 15.9%, Strategy 6.2%
Frontier Control: Invasion is a Real-Time Strategy survival game in which you play the commander of a human space colony under the attack of outer space robots. Build your base, train your colony, and fight herds of enemies and bosses.
Why similar: Action RTS 19.9% ★, RTS 18.8%, Tower Defense 16.6%, PvE 8.7%, Building 8.5%
Protect the base from an alien invasion. Place cannons and destroy the invaders. Upgrade cannons to resist the enemies.
Why similar: Action RTS 23.9% ★, Tower Defense 19.6%, RTS 19%, Real Time Tactics 15.6%, Strategy 7.3%
Grapple anywhere, build towers, place traps, shoot guns, launch arrows, and throw sabers, to defend the spores from hordes of the evil empire. Includes native Meta Quest with Link and Steam VR support.
Why similar: Action RTS 26% ★, Tower Defense 17.7%, RTS 17.4%, Building 11%, Shooter 9.5%
A survival RTS game where you defend your village against relentless waves of Norse mythological creatures. Build defenses, train warriors, and gather resources to survive as long as possible. If your Town Hall falls, it's game over. How long will you last?
Why similar: Action RTS 32.5% ★, Tower Defense 21.7%, RTS 20.5%, PvE 12.7%, Strategy 7.2%