60+ similar titles based on shared tags and player behavior. Themes include Strategy, Tower Defense, Action RTS, RTS.
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!
Cosmic Robots
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.
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.
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 21.6%, Action RTS 17.2% ★, RTS 14.1%, Robots 10.3%, Aliens 7.9%
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 29.4% ★, Tower Defense 22.1%, RTS 13.2%, PvE 7.9%, Aliens 7.1%
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: Action RTS 29.7% ★, Tower Defense 21.6%, RTS 17.8%, Strategy 9.5%, Futuristic 8.2%
Command a crew of tiny bots, build a modular space base, and repel relentless alien swarms. Build, upgrade, defend, but don't stay too long, the hive is closing in.
Why similar: Action RTS 34% ★, Tower Defense 18.6%, RTS 15.4%, Strategy 9.1%, Action Roguelike 7.5%
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: Action RTS 30.9% ★, Tower Defense 22.1%, RTS 11.6%, PvE 8%, Sci-fi 6.8%
Defend humanity against a machine Void that turns Earth's own technology into a weapon. An alien nanocluster has reached Earth. It doesn't invade with soldiers. It infects factories, military vehicles, etc. Your mission is simple: Protect the Shield Core. Survive every assault. Stop the spread.
Why similar: Action RTS 34.2% ★, Tower Defense 24.9%, Strategy 10.2%, Futuristic 9.2%, Robots 8.2%
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 35.2% ★, Tower Defense 23.2%, RTS 17.3%, Linear 6.6%, Strategy 6.4%
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 35.1% ★, Tower Defense 22.8%, RTS 16.7%, PvE 10.1%, Strategy 6.1%
Our Last Stand is a tower defence game that allows you to command a powerful mech and defend against relentless waves of enemies. Play on different worlds to gather resources, unlock advanced technology, and level your commander to gain powerful new abilities. Build defend, survive.
Why similar: Action RTS 31.2% ★, Tower Defense 22.7%, RTS 18.8%, Strategy 10.1%, Futuristic 9.2%
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 35.4% ★, Tower Defense 23.1%, RTS 17.2%, Futuristic 6.8%, Sci-fi 6.5%
Starfall Defenders is a classic tower defense game that features unique towers and enemies. It also has an in-game shop system that allows players to purchase better towers, upgrade existing ones, and buy special items like the Atom Bomb, Splash Bomb, and Air Supply.
Why similar: Action RTS 38% ★, Tower Defense 26.8%, Strategy 10%, Futuristic 6.9%, Aliens 6.9%
Command Captain Hope's ship in this strategic 2D space game. Build structures, deploy fleets, and manage resources to defend the Citadel against waves of enemies. Combine direct ship combat, tower defense, and base building as you face epic boss battles.
Why similar: Action RTS 29.6% ★, Tower Defense 21.3%, RTS 17.5%, Strategy 8.5%, Aliens 7.4%
Defence of Nythrial is a 2D, Top down, Tower Defence / Real Time Strategy Game.
Why similar: Action RTS 34% ★, Tower Defense 24.8%, RTS 20.6%, Strategy 11.1%, Magic 5.8%
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 28.3% ★, Tower Defense 19.7%, RTS 15.9%, Aliens 10%, Robots 9.4%
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 27.9% ★, Tower Defense 21.7%, RTS 16%, Futuristic 8.3%, Sci-fi 6.1%
It’s a defense game where you create your own strategy, grow your units, and defend against enemies.
Why similar: Action RTS 32.4% ★, Tower Defense 23.4%, RTS 17.6%, Strategy 6.4%, Aliens 4.7%
Build sprawling defensive networks of high-tech turrets and logistics systems to repel massive enemy swarms! Take direct control of your turrets and utilize powerful support powers to repel the invasion!
Why similar: Action RTS 36.2% ★, Tower Defense 26.1%, Futuristic 9.6%, Action 4.5%, Stylized 4.4%
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 24.6% ★, Tower Defense 20.2%, RTS 15%, Robots 10.8%, Futuristic 8.9%
Apocalypseed is a 2D real-time strategy game where you are the invasion. Devour humans to harvest flesh, build and strengthen an army of alien plants, and evolve your creatures into new forms with unique abilities. Crush the human resistance as it deploys increasingly dangerous threats to stop you.
Why similar: Action RTS 35.7% ★, RTS 19.8%, Tower Defense 18.6%, Strategy 7.5%, PvE 5.8%
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 22.9% ★, Tower Defense 18.5%, RTS 16.1%, Futuristic 7.6%, Aliens 7.5%
Battle For Cosmos is a fast-paced, action-packed RTS set in space. With a focus on the battle it is perfect for those who want a thrilling and engaging strategy game without the unnecessary filler. Take control of your empire, build your defenses, and conquer the cosmos!
Why similar: Action RTS 46.1% ★, RTS 21%, Strategy 7.9%, PvE 6.9%, Futuristic 6.2%
TEP the destroyer is a single player tower defense game where you will face alien monsters and ships in ground and space battles! Your strategy will decide the fate of your people in a sci-fi environment of varying difficulties!
Why similar: Tower Defense 23.2%, Action RTS 20.4% ★, Futuristic 13%, Aliens 11.2%, Robots 9.8%
Raise your favorite characters and have them ready to fight in the next run! Command beautiful girls to defend the castle and princess A non-reset roguelite × tower defense
Why similar: Action RTS 36% ★, Tower Defense 30.2%, Action Roguelike 12.9%, RTS 8.7%, Strategy 6.6%
You are infected by the virus and slowly dying. SURVIVE AS LONG AS POSSIBLE !!
Why similar: Action RTS 32.8% ★, Tower Defense 23.4%, RTS 13.1%, PvE 7.2%, Strategy 6.5%
A 3D FPS/TPS Tower Defence game in a sci-fi world, defend your base from corrupted robots and unlock better turrets
Why similar: Action RTS 26.4% ★, Tower Defense 19.2%, RTS 14.3%, PvE 9.7%, Futuristic 8%
A lighthearted tower defense game where everyday people fight back against hustle culture. Place and upgrade offbeat heroes like pillow-throwing grannies and wheelchair slingshot kids to stop workers zombified by an energy drink corp. Use philosophy and paint to remind humanity how to enjoy life.
Why similar: Action RTS 42.7% ★, Tower Defense 36.6%, Strategy 12.7%, Stylized 6.2%, Indie 1%
Face off against hordes of shambling skeletons in this magical rogue-like tower defense! You're just cat-sitting for a shopkeeper, but an evil necromancer has other plans! Summon living statues to defend the shop and discover powerful spells to create devastating combos!
Why similar: Action RTS 38.3% ★, Tower Defense 24.3%, Action Roguelike 14.7%, PvE 10.3%, Strategy 7.1%
Robowars is back on Steam! Fight off troops of droids for freedom and honor in our classical tower defense game. Lead the forces of the Solar Union to protect the peaceful planet of Praymos from the aggressive Trade Confederation.
Why similar: Action RTS 27.9% ★, Tower Defense 18.5%, RTS 13.4%, Action Roguelike 10.1%, PvE 8.2%
Song of the Chalice is a simple 3D realtime strategy for a single player with tower defense mechanics, inspired by the events of the Hussite era (1419-1420).
Why similar: Action RTS 37.5% ★, RTS 21.4%, Tower Defense 13.2%, Strategy 11.1%, Stylized 6%
Endless waves of 100,000 infected pour toward you. A brutally hard roguelike defense built on the Paradox of Progress: every advance raises the noise, and louder noise draws a deadlier swarm. Design your base, break through with one unit you control, and adapt each run. Survive a planet alone.
Why similar: Action RTS 28.1% ★, Tower Defense 24.1%, RTS 17.6%, Action Roguelike 10.5%, PvE 5.9%
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 28.1% ★, Tower Defense 20%, RTS 15.7%, Robots 10.8%, PvE 7.6%
Protect the base from an alien invasion. Place cannons and destroy the invaders. Upgrade cannons to resist the enemies.
Why similar: Action RTS 28.2% ★, Tower Defense 22.5%, RTS 16.8%, Futuristic 9.8%, Aliens 7.3%
Take on the role of commander and protect Earth from the relentless Drone invasion in this exciting tower defense game. Strategize and strengthen your defenses by utilizing a variety of towers, abilities, and elemental upgrades. It's up to you to lead the charge and save humanity from destruction.
Why similar: Action RTS 36.5% ★, Tower Defense 23.5%, PvE 10.4%, Robots 7.8%, Linear 6.3%
An Incremental-Ish game about evolving The Bastion.
Why similar: Tower Defense 34.2%, Action RTS 26.3% ★, Strategy 11.1%, PvE 8.5%, RTS 8%
A finger-blisteringly action-packed Tower Defence advanture!
Why similar: Action RTS 41.2% ★, Tower Defense 29.8%, Futuristic 15.8%, 3D 4.7%, Strategy 4.4%
You are The Dark Lord! Raise an evil army, and crush the race of men. An action-strategy hybrid RTS, blending tower defence, base building and direct control of your Dark Lord avatar, currently in early development.
Why similar: Action RTS 40.2% ★, Tower Defense 24.8%, RTS 17.4%, Strategy 8.1%, Magic 3.3%
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 43% ★, Tower Defense 31.5%, Strategy 13.8%, Stylized 6.3%, 3D 4.7%
Build deadly mazes and outsmart a rogue AI in this strategic tower defense game. Adapt your defenses, use aiming parameters to your advantage, and activate powerful perks to survive increasingly complex waves of incoming robots.
Why similar: Action RTS 29% ★, Tower Defense 21.6%, RTS 16%, Futuristic 10.5%, Robots 8.8%
Prevent the invasion of the minions that stimulate the desire for challenge and prove that you are a slayer physically and mentally.
Why similar: Action RTS 37.4% ★, Tower Defense 31.3%, RTS 20.8%, Strategy 9.3%, Indie 0.7%
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: Action RTS 27.4% ★, Tower Defense 27.4%, RTS 19.7%, Strategy 11.2%, Futuristic 7%
In Domefender you are the commander of a mining outpost on a hostile alien planet - and the pilot of a powerful customizable mech. Expand your base, recruit soldiers, and take control of your mech to defend your dome generator at all costs.
Why similar: Action RTS 30.2% ★, Tower Defense 21.3%, RTS 17.1%, Futuristic 9%, Strategy 6.9%
Build a tiny fishball base, organize your crew, and hold the line. When defenses falter, possess a fishball and fight with toothpick swords and bottle-cap shields. A single-player roguelite that brings base management and hands-on combat together.
Why similar: Action RTS 35.9% ★, Tower Defense 21%, RTS 13.8%, Action Roguelike 13.1%, Strategy 7.1%
An old-school real-time strategy with automatic, resource-free unit production and large-scale, deliberately unfair battles. Lead Spain through a story campaign, or command the Spanish, Inca, or mysterious machine race Supayari in skirmishes against the AI.
Why similar: Action RTS 37.6% ★, RTS 20.9%, Strategy 10.9%, Futuristic 10.8%, Robots 8.5%
Cozy tower defense meets stylistic futuristic steampunk. Manage resources, buildings & towers. Unlock perks to further specialize yourself. Plan your defense & survive all enemy waves.
Why similar: Action RTS 41.7% ★, Tower Defense 25.4%, Strategy 8.1%, PvE 6.2%, Futuristic 5.9%
Faith & Shield: 4044 Tower Defense game, where you protect the human settlement from the incoming invaders, robots and other creatures, never seen before on our planet.
Why similar: Tower Defense 32.7%, Futuristic 14.9%, Aliens 14.7%, Robots 14.3%, Sci-fi 10.2%
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 39.2% ★, Tower Defense 28.2%, Strategy 11.5%, Magic 6.9%, PvE 4.7%
"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 31.3% ★, Tower Defense 18.6%, RTS 13.6%, Futuristic 10%, Aliens 9.4%
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 26.6% ★, RTS 17.6%, Tower Defense 14.1%, PvE 10.5%, Sci-fi 7.2%
Fight against huge hordes of geometric amalgamations with BOTH towers and allied defenders to stop them from breaking your CORE! Travel to barren deserts, hostile wastelands in this fast-paced tower-defence game.
Why similar: Action RTS 40.3% ★, Tower Defense 28.2%, PvE 8.9%, Strategy 7.9%, Retro 5.6%
Defend your base across four unique worlds in this 3D tower defense game. Battle waves of monsters, conquer 20 campaign levels, and climb the global leaderboard in the endless mode.
Why similar: Tower Defense 36.3%, PvE 14.4%, Strategy 11.5%, Magic 9.9%, Futuristic 9.4%
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 33.8%, RTS 23%, Action RTS 15.6% ★, Sci-fi 8.3%, Strategy 8.1%
Critter Chaos TD is a fast, frantic and chaotic Tower Defence game in which you must rid the world of the evil Critters. Build stations and guns to fortify your defences and prevent the various types of Critters from reaching your base.
Why similar: Action RTS 43.5% ★, Tower Defense 24.1%, RTS 17.3%, Strategy 8.4%, Retro 3.3%
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 36.2% ★, Tower Defense 23.3%, RTS 17.1%, PvE 10.3%, Strategy 5.9%
Join our machine legion to conquer the world.
Why similar: Tower Defense 23.5%, RTS 16.2%, Robots 13.6%, Futuristic 13.4%, Aliens 11.2%
Enter a block-sized world and conquer the world by defending your towers in this colorful strategy game!
Why similar: Action RTS 32.9% ★, Tower Defense 23.9%, RTS 21.2%, Strategy 9.8%, Stylized 3.6%
Alienshire is a classic real-time strategy game where you command an alien force, harvest biomass, build your army, and fight for control of a familiar landscape.
Why similar: Action RTS 28.4% ★, RTS 26.9%, Aliens 11.8%, Strategy 11%, Sci-fi 9%
A tower defense game where you must defend your home planet from endless waves of Gribblins!
Why similar: Action RTS 36.4% ★, Tower Defense 25.5%, RTS 19.2%, Strategy 6.7%, Stylized 6.2%
It’s a defense game where you create your own strategy, grow your units, and defend against enemies.
Why similar: Action RTS 32.6% ★, Tower Defense 25.3%, RTS 18.3%, Aliens 8.1%, Strategy 6%
Fight directly as a Commander in a 2D side-scrolling action-RTS while Flux and Forge build systems that keep working—and Shade infiltrates and disrupts the enemy. Gather physical Nuts and master three asymmetric machine species.
Why similar: Action RTS 35.6% ★, Tower Defense 23.3%, RTS 17.3%, Strategy 5.7%, Sci-fi 4.8%
