
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.
60+ similar titles based on shared tags and player behavior. Themes include Strategy, Action RTS, RTS, Tower Defense.

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.

Ant Guardians Prologue
It’s a defense game where you create your own strategy, grow your units, and defend against enemies.
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 24.8%, Action RTS 21% ★, Real Time Tactics 11.6%, RTS 11.3%, Strategy 7.4%
It’s a defense game where you create your own strategy, grow your units, and defend against enemies.
Why similar: Action RTS 26.8% ★, Tower Defense 20.6%, Real Time Tactics 16.3%, RTS 16.1%, Strategy 6%
It’s a defense game where you create your own strategy, grow your units, and defend against enemies.
Why similar: Action RTS 25.2% ★, Tower Defense 20.8%, RTS 15.6%, Real Time Tactics 15.2%, Aliens 6.6%
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 23.2%, Action RTS 21.9% ★, Real Time Tactics 17.6%, RTS 17.3%, Strategy 10.1%
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 22.8% ★, Tower Defense 19.1%, Real Time Tactics 18.5%, RTS 15.8%, PvE 7%
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 24.7% ★, Tower Defense 19.5%, RTS 14.8%, Real Time Tactics 14.5%, Resource Management 6.3%
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 21% ★, Real Time Tactics 15.4%, RTS 15.3%, Tower Defense 11.9%, PvE 8.3%
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 27.3%, Action RTS 21.8% ★, RTS 19.1%, Real Time Tactics 11.6%, Strategy 9.3%
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 26% ★, Tower Defense 20.2%, Real Time Tactics 15.7%, RTS 15.5%, Strategy 6.3%
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 23.3% ★, Tower Defense 17.7%, Real Time Tactics 15%, RTS 14.3%, Tactical 6.5%
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 32.3% ★, Tower Defense 22.3%, RTS 16.9%, PvE 9.3%, Strategy 6.4%
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 25.4% ★, Tower Defense 18.8%, RTS 15.7%, Real Time Tactics 15%, Aliens 9.4%
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 29% ★, Tower Defense 22.2%, RTS 12.9%, PvE 8.3%, Aliens 7%
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 29.5% ★, Real Time Tactics 21.2%, RTS 14.8%, PvE 8.4%, Strategy 7.3%
"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 26.2% ★, Tower Defense 16.6%, Real Time Tactics 15.8%, RTS 12.5%, Aliens 8.3%
Para Bellum - Hold the Line is a 3D real time small unit tactics game. Your task is to hold off enemy attacks wave after wave using a variety of different Units and Supports in your arsenal to the best of your abilities in Campaign and Skirmish modes.
Why similar: Action RTS 27.6% ★, Tower Defense 20.1%, Real Time Tactics 16.7%, RTS 16.3%, Strategy 5.9%
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 33.4% ★, Tower Defense 23.3%, RTS 17.9%, Strategy 6.8%, Sci-fi 5.9%
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 29.4% ★, Tower Defense 22.4%, RTS 17.4%, Real Time Tactics 17.3%, Strategy 7%
Fable Forts! TD: defend your fairy kingdom from stupid human invaders!
Why similar: Tower Defense 26.6%, Action RTS 25.5% ★, RTS 19%, Real Time Tactics 10.4%, Strategy 8.6%
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 32.7% ★, Real Time Tactics 19.4%, RTS 15.9%, PvE 9.3%, Strategy 6%
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 22% ★, Tower Defense 19.1%, RTS 16%, Real Time Tactics 13.4%, Tactical 7.6%
"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 29% ★, Tower Defense 20.2%, Real Time Tactics 16.2%, RTS 12.1%, Tactical 7.2%
LANDS OF RYUU is a tower defense game that brings strategy and exploration together. Defend your homeland against waves of enemies using totems, spells and other manifestations of your power.
Why similar: Action RTS 22.6% ★, Tower Defense 22.4%, Real Time Tactics 14.4%, RTS 13.6%, Tactical 8.3%
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: Tower Defense 21.6%, Real Time Tactics 18.1%, RTS 17.9%, Aliens 9.1%, Strategy 6.5%
AT THE LIMITS OF EARTH, AT THE EXTREMITY OF HEAVEN. A REAL-TIME STRATEGY NIGHTMARE.
Why similar: Action RTS 25.1% ★, Tower Defense 17.2%, RTS 14.9%, Aliens 9.3%, Real Time Tactics 9.2%
Lead your chicks from the barn into battle and defend your farm against endless waves of hungry enemies. Combine strategy, action, and humor in a charming comic world, level up your units, and defeat powerful generals in thrilling boss fights.
Why similar: Action RTS 35.3% ★, Real Time Tactics 19.9%, Tower Defense 19.2%, RTS 9.4%, PvE 6.5%
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 28.5% ★, Tower Defense 21%, Real Time Tactics 17.2%, RTS 17.1%, Aliens 9%
Okashi Towers is a Real Time Strategy game with Tower Defense elements. Gather candy resources to build tower units or go on offense and summon creatures to attack other player bases. Join with up to 8 players and choose one of the four factions that fits your play style best
Why similar: Action RTS 26.8% ★, Tower Defense 20.4%, RTS 16.6%, Real Time Tactics 16.2%, Strategy 6.5%
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 29.5% ★, Tower Defense 23.7%, RTS 15.8%, Real Time Tactics 15.2%, Strategy 6.2%
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 26.2% ★, Tower Defense 21.8%, Real Time Tactics 15.6%, RTS 10.8%, Strategy 6.9%
Age of Darkness: Final Stand is a dark fantasy survival RTS where you must illuminate, build and defend humanity’s last bastion against hordes of Nightmares. Set in the remnants of a kingdom consumed by a deadly fog, you decide. Will you hide in the light? Or take back your world.
Why similar: Action RTS 27.5% ★, Tower Defense 19.9%, RTS 15.4%, PvE 8.2%, Tactical 7.4%
Lead small squads. Make hard decisions. Survive the Mist in a real-time tactical game where paladins, hunters, and mages fight for every inch of ground. Unlock new abilities, adapt your tactics, and turn limited resources into your advantage. Win battles. Reinforce your squads. Move forward.
Why similar: Action RTS 25.8% ★, Tower Defense 17.4%, Real Time Tactics 17.3%, RTS 14.4%, Tactical 8%
Master legendary heroes in intense top-down combat while commanding strategic tower defenses. Control your champion directly, build and upgrade persistent towers that provide covering fire, then face powerful bosses and massive hordes. Use magic to empower your strategy and turn the tide of battle.
Why similar: Action RTS 27.1% ★, Tower Defense 21.6%, RTS 14.5%, Real Time Tactics 10.6%, PvE 8.1%
Protect the base from an alien invasion. Place cannons and destroy the invaders. Upgrade cannons to resist the enemies.
Why similar: Action RTS 25.1% ★, Tower Defense 21.3%, RTS 16.5%, Real Time Tactics 16.4%, Aliens 6.9%
SiegeBorn is a top-down action RTS. Lead your troops, command powerful siege engines, and defeat the enemies!
Why similar: Action RTS 28.9% ★, Real Time Tactics 17.5%, Tower Defense 15.8%, RTS 15%, PvE 8.5%
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 38.1% ★, Real Time Tactics 21.6%, RTS 18.7%, Strategy 6.3%, Tactical 6.1%
Scrap Metal Heroes Rebuilt is a real-time strategy game where you can customize a set of 4 robots with over 300 parts and fight them against an AI opponent or other players.
Why similar: Tower Defense 22.8%, Action RTS 20.6% ★, Real Time Tactics 19.5%, Resource Management 7.1%, Strategy 7.1%
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 36% ★, Tower Defense 25.2%, RTS 19.4%, Strategy 7.4%, Tactical 4.6%
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 24.8% ★, Tower Defense 24.6%, Real Time Tactics 12.4%, RTS 12%, Tactical 6.7%
Conjure towers and cast spells to slay hordes of enemies attempting to destroy your lone bastion
Why similar: Tower Defense 32.7%, Action RTS 23.6% ★, Real Time Tactics 13.7%, Strategy 11.4%, RTS 7.9%
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 28.6% ★, Tower Defense 19.8%, Real Time Tactics 17.5%, RTS 14.2%, PvE 7.8%
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 26.6% ★, Tower Defense 21%, Real Time Tactics 17.5%, RTS 15.6%, PvE 7.2%
Classic tower defense rules meet modern systems. Build medieval towers, face adaptive waves, and experiment with upgrades, modifiers, and roguelike progression.
Why similar: Action RTS 33.8% ★, RTS 20.5%, Real Time Tactics 19.8%, Strategy 10.8%, Tactical 4.3%
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 22%, Real Time Tactics 18%, RTS 16.7%, Action RTS 15.1% ★, Tactical 6.4%
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 33.8% ★, Tower Defense 25.8%, Real Time Tactics 19.6%, Strategy 11.3%, Tactical 5.6%
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 23.7% ★, Tower Defense 17.3%, RTS 17%, Real Time Tactics 13.9%, PvE 7.1%
Grow and evolve 32 different plants in this tower defense! Unlock new skills an units by finding seeds throughout 100 levels. Replay each map as much as possible, to push the challenge and rewards even further!
Why similar: Tower Defense 31%, Real Time Tactics 18.6%, RTS 17.6%, PvE 8.5%, Strategy 7.7%
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 26.1% ★, Tower Defense 17.4%, RTS 15.7%, Real Time Tactics 12.3%, Tactical 7%
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 27% ★, Tower Defense 22.4%, RTS 17.1%, Real Time Tactics 15.6%, Strategy 6.3%
A roguelike where you build the colony you defend. Select and place cards to construct an army and a colony that supports them to beat back the ever-threating invaders!
Why similar: Tower Defense 22.8%, Action RTS 22% ★, RTS 19.5%, Real Time Tactics 14.6%, Strategy 11.2%
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 38.4%, Real Time Tactics 19.1%, RTS 12.3%, Strategy 9.7%, PvE 7.5%
Sorcs: Siege Chronicles is an indie 3D tower defense with: - Free positioning for towers - FPS mode - Configurable AI for towers - 4 skill trees - 25 levels with 3 difficulty modes - 20-25 hours to complete 100%
Why similar: Action RTS 27.5% ★, Tower Defense 20.5%, RTS 15.9%, Real Time Tactics 15.5%, Resource Management 6%
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 27.8%, RTS 17.8%, Real Time Tactics 16.9%, PvE 8.6%, Strategy 7.1%
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: Action RTS 23.9% ★, Tower Defense 21.9%, RTS 17.2%, Real Time Tactics 16.3%, Resource Management 6.3%
Employ lethal turrets, traps, and gadgets to defend against an onslaught of evolving creeps! Step into a twisted, hyper 3D, mind bending realm. Upgrade and adapt your defenses. Become a master maze crafter. Collect bizarre artifacts. Rush creeps for lucrative rewards, and succumb to greed!
Why similar: Tower Defense 25.8%, Action RTS 24.5% ★, Real Time Tactics 13%, Aliens 9%, Sci-fi 6.4%
Are you prepared for a thrilling toy army tower defense adventure? Welcome to the Toy Shire! Battle diverse foes in various locations, defend your family, and repel foes from your area. Save the world by strengthening your defense with toy towers! FULL GAME AVAILABLE NOW!
Why similar: Tower Defense 29%, RTS 19.3%, Real Time Tactics 16.4%, Strategy 7.3%, Tactical 7.2%
Last Stand is a tactical defense game where you must defend humanity against undead zombie horde.
Why similar: Action RTS 31.7% ★, Tower Defense 21%, Real Time Tactics 16.8%, RTS 12.7%, Strategy 6.9%
Stickman World Battle - new exciting and thrilling real-time strategy with famous stickman heroes!
Why similar: Action RTS 26.2% ★, Tower Defense 26.1%, RTS 19.4%, Strategy 12.1%, Tactical 4.9%
A sci-fi tower defense game. Build an army of towers to stop waves of a lured alien species called Zektid's.
Why similar: Tower Defense 28.8%, Real Time Tactics 23.2%, Strategy 12.6%, Aliens 11.4%, Action 5.5%