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

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.

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.

ChargeDrop
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.
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: Tower Defense 25.1%, Action RTS 21% ★, Real Time Tactics 11.5%, RTS 11.3%, Strategy 7.3%
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: Tower Defense 25.2%, Action RTS 21.8% ★, RTS 15.8%, Strategy 13.1%, Real Time Tactics 11.6%
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 27.8%, Action RTS 17.4% ★, RTS 15.2%, Strategy 13.3%, Real Time Tactics 13%
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: Tower Defense 20.8%, Action RTS 18.3% ★, RTS 12.3%, Real Time Tactics 10.9%, Robots 9.3%
It’s a defense game where you create your own strategy, grow your units, and defend against enemies.
Why similar: Tower Defense 26.3%, Action RTS 22.8% ★, RTS 14.9%, Real Time Tactics 12.7%, Strategy 8.4%
3D Real-time strategy attack enemy defense with upgradable summoned units. You play as Spirit Summoner to destroy modern human sophisticated defenses of a small city. Devise a masterful strategy that utilizes your summoned creatures to their fullest potential and breach their fortifications.
Why similar: Tower Defense 24.7%, Real Time Tactics 18.7%, Strategy 13.6%, RTS 9.6%, Action RTS 8.9% ★
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 17.1% ★, Tower Defense 14.5%, RTS 13.7%, Real Time Tactics 11.6%, Sci-fi 8.8%
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 25.3%, Action RTS 15.2% ★, Real Time Tactics 13.3%, Robots 11.2%, Strategy 8.7%
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 40.1%, Strategy 11.2%, RTS 9.8%, Sci-fi 8.1%, Robots 7.4%
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: Tower Defense 22.6%, Action RTS 17.3% ★, RTS 12.7%, Robots 10.1%, Real Time Tactics 9.9%
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 24.9%, Action RTS 20% ★, RTS 13.9%, Real Time Tactics 10.7%, Sci-fi 8.4%
Protect the base from an alien invasion. Place cannons and destroy the invaders. Upgrade cannons to resist the enemies.
Why similar: Tower Defense 24.5%, Action RTS 19.3% ★, RTS 13.9%, Real Time Tactics 11.6%, Strategy 8.7%
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 34%, Action RTS 18.1% ★, RTS 17.4%, Strategy 12.8%, Real Time Tactics 8.9%
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 44.4%, Real Time Tactics 13.6%, Strategy 12.4%, RTS 10.4%, Sci-fi 5.6%
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 30.3%, RTS 16.1%, Strategy 14.6%, Real Time Tactics 14.1%, Robots 9.1%
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: Tower Defense 27.2%, Action RTS 23.5% ★, RTS 17%, Strategy 14.2%, Real Time Tactics 12.5%
Command a team of 5 elite soldiers against an alien horde of 100,000. Surrounded on all sides, you must outmaneuver and outsmart the enemy.
Why similar: Tower Defense 36.1%, RTS 18.7%, Strategy 16.9%, Sci-fi 9.1%, Top-Down 6.5%
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: Tower Defense 27.8%, Action RTS 26.6% ★, RTS 15.6%, Sci-fi 9.4%, Strategy 9%
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 30.6%, Action RTS 15.2% ★, RTS 15.1%, Robots 12.2%, Strategy 11.7%
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: Tower Defense 27.2%, Action RTS 23.7% ★, RTS 11.6%, Robots 7.9%, Sci-fi 7.8%
A boy's village was burned. His people were killed. Years later, he returns — with an army of monsters. But the king he hunts is nothing like his father. He is just. He is loved. He will not fall without a fight. Two campaigns. One tragedy.
Why similar: Tower Defense 33.4%, Action RTS 15.3% ★, RTS 12.8%, Strategy 12.6%, Real Time Tactics 8.2%
It’s a defense game where you create your own strategy, grow your units, and defend against enemies.
Why similar: Tower Defense 26.7%, Action RTS 21.6% ★, RTS 14.6%, Real Time Tactics 12.1%, Strategy 7.5%
Stickman World Battle - new exciting and thrilling real-time strategy with famous stickman heroes!
Why similar: Tower Defense 29.7%, Action RTS 19.9% ★, RTS 16.1%, Strategy 15.2%, Action 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: Tower Defense 23.4%, Action RTS 21.1% ★, RTS 14.3%, Real Time Tactics 11.5%, Robots 9.3%
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: Tower Defense 29.9%, Action RTS 26.1% ★, Strategy 14.4%, Real Time Tactics 14%, War 5.2%
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: Tower Defense 25.5%, Action RTS 21.8% ★, RTS 14.2%, Real Time Tactics 12.2%, Strategy 8.7%
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: Tower Defense 25.2%, Action RTS 23% ★, RTS 15%, Real Time Tactics 12.9%, Strategy 8.1%
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: Tower Defense 28.6%, RTS 17.9%, Strategy 14.8%, Real Time Tactics 14.2%, Sci-fi 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: Tower Defense 29.2%, Action RTS 27.8% ★, RTS 16.5%, Strategy 9.4%, 3D 4.9%
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: Tower Defense 24.5%, Action RTS 21.9% ★, RTS 13.9%, Real Time Tactics 11.4%, Strategy 7.5%
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: Tower Defense 29.1%, Action RTS 19.5% ★, RTS 10.3%, Real Time Tactics 9%, Strategy 8.5%
Lead an armored squad through the perils of this reversed tower defense action-strategy game!
Why similar: Tower Defense 41.9%, Strategy 25.2%, Sci-fi 12.4%, RTS 8.6%, Action 7.1%
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: Tower Defense 20.6%, Action RTS 20.5% ★, RTS 13.6%, Real Time Tactics 8.9%, Sci-fi 8.2%
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 32.5%, RTS 15.2%, Real Time Tactics 12.1%, Sci-fi 11%, Strategy 9.2%
A tower defense game that demands high skill in both controls and deck building
Why similar: Tower Defense 32.5%, Action RTS 27.4% ★, Strategy 16%, Real Time Tactics 14.6%, Tactical 4.8%
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: Tower Defense 28.7%, Action RTS 27.7% ★, RTS 15.9%, Strategy 9.1%, Top-Down 4.9%
A 3D FPS/TPS Tower Defence game in a sci-fi world, defend your base from corrupted robots and unlock better turrets
Why similar: Tower Defense 22.6%, Action RTS 19.5% ★, RTS 12.7%, Real Time Tactics 10.7%, Strategy 7.6%
Anomaly 2 is a sequel to the critically acclaimed Anomaly Warzone Earth. Maintaining the core elements of the original, Anomaly 2 adds plenty of new features: unit morphing, over million tactical combinations, post-apo world and tower defense vs tower offense multiplayer mode.
Why similar: Tower Defense 44.2%, Strategy 23.8%, RTS 9.9%, Sci-fi 9.9%, Action 9.6%
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: Tower Defense 27.1%, Action RTS 26.3% ★, Strategy 8%, Sci-fi 7.6%, Robots 7.5%
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: Tower Defense 26.1%, Action RTS 20.8% ★, RTS 15.9%, Real Time Tactics 15.6%, Strategy 5.9%
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 38%, RTS 19.6%, Sci-fi 11.1%, Action RTS 11% ★, Strategy 10.7%
Defend a salvaged power core with linked tower networks on handcrafted scrapyard maps.
Why similar: Tower Defense 48.1%, Strategy 19.5%, Sci-fi 12.6%, Robots 11.2%, Tactical 7.9%
Join our machine legion to conquer the world.
Why similar: Tower Defense 26.6%, RTS 13.9%, Robots 12.8%, Real Time Tactics 11.1%, Sci-fi 9.2%
Random Realms Hero Under Siege is a fast-paced single player tower defense RTS where every match is a fresh roll of the dice. Build bases from randomized building options, lead a leveling hero and their army, and hold the line against escalating enemy waves.
Why similar: Tower Defense 32.1%, Action RTS 19.5% ★, RTS 13.4%, Strategy 10.6%, Action 7.2%
Sphere Invasion is Sci-Fi Tower Defence. Build your own road and defend it with 7 unique towers.
Why similar: Tower Defense 32%, Real Time Tactics 16.6%, Strategy 10.4%, Sci-fi 9.1%, War 7.6%
A real-time tactical game about making the right decisions with incomplete information. Choose your battles, prepare your squads, and adapt on the fly when enemy waves unfold in unexpected ways.
Why similar: Tower Defense 21.4%, Action RTS 21% ★, Real Time Tactics 13.1%, RTS 12.9%, Tactical 7.4%
Your defense is the enemy's disaster! Combine units to build a powerful army and send defeated monsters to your opponent instantly. Master your strategy with skill synergies and real-time scouting to survive and win.
Why similar: Tower Defense 33.3%, RTS 18%, Strategy 17.6%, Real Time Tactics 15.2%, Tactical 6.4%
Vtuber「オシャレになりたい!ピーナッツくん」のキャラクター達が繰り広げる ACTRTSゲーム
Why similar: Tower Defense 35.3%, RTS 19%, Strategy 17.6%, Real Time Tactics 12.9%, Action 11.1%
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: Tower Defense 29.2%, RTS 19.7%, Real Time Tactics 16.9%, Strategy 16.5%, Tactical 5.2%
"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: Tower Defense 25.7%, Action RTS 24.5% ★, Real Time Tactics 12.6%, RTS 11.2%, Strategy 9%
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: Tower Defense 35.6%, Action RTS 27.1% ★, Strategy 9.3%, Real Time Tactics 8.7%, RTS 7.9%
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 28.4%, RTS 16.3%, Sci-fi 11.1%, Strategy 9.6%, Real Time Tactics 9.4%
Zero Zone 2020 is a classic Tower defense game where you will need to defend a home base from swarms of enemies
Why similar: Tower Defense 56.7%, Strategy 17.4%, Real Time Tactics 15.9%, Action 10%
Yãkoana: Dreams of Resistance is a strategy game with roguelite and tower defense elements. Defend your people’s legacy against colonizers, mastering the land and awakening ancient powers in a relentless fight for freedom.
Why similar: Tower Defense 27.9%, Action RTS 19.7% ★, RTS 15.3%, Real Time Tactics 10.6%, Strategy 9.3%
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: Tower Defense 26.6%, Action RTS 22.4% ★, RTS 14.8%, Real Time Tactics 12.2%, Strategy 7.5%
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.
Why similar: Tower Defense 24.2%, Action RTS 18.2% ★, RTS 11.1%, Real Time Tactics 11.1%, Sci-fi 9.4%
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: Tower Defense 28.4%, Action RTS 24.8% ★, RTS 16.1%, Real Time Tactics 13.5%, Strategy 9.8%
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: Tower Defense 26%, Action RTS 18.9% ★, RTS 15%, Real Time Tactics 11.9%, Strategy 8.2%
Fable Forts! TD: defend your fairy kingdom from stupid human invaders!
Why similar: Tower Defense 33.9%, Action RTS 21.7% ★, RTS 17.7%, Strategy 12.1%, Real Time Tactics 8.1%