60+ similar titles based on shared tags and player behavior. Themes include Strategy, Tower Defense, Sci-fi, Indie.
Be the ultimate CEO and military strategist in this genre fusion of strategy and business management. Create your own company, hire employees, research weapon technology, and take control of units on the battlefield to defend the moon against an alien invasion. Aliens down, profits up!
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.
Dr. Professor Scientist's Weapons Testing Facility
DPSWTF is a base defense game with roguelike elements, where instead of placing towers, you build the best tower of them all. Combine the best projectiles with effective modifiers and push back the incoming hordes. Research them all to conquer the secrets of the Great North!
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 26.5%, RTS 17.9%, Aliens 15.3%, Strategy 10.3%, Sci-fi 8.8%
DPSWTF is a base defense game with roguelike elements, where instead of placing towers, you build the best tower of them all. Combine the best projectiles with effective modifiers and push back the incoming hordes. Research them all to conquer the secrets of the Great North!
Why similar: Tower Defense 20%, Science 18.4% ★, Gun Customization 16.3% ★, Aliens 11.2%, Management 9.4%
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 32.9%, RTS 23.4%, Strategy 15.5%, Aliens 13.1%, Sci-fi 9.2%
Lead an armored squad through the perils of this reversed tower defense action-strategy game!
Why similar: Tower Defense 37.9%, Strategy 23.1%, Sci-fi 12.3%, RTS 10.6%, Aliens 9.3%
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 33.5%, RTS 23.7%, Aliens 12.6%, Sci-fi 10.9%, Strategy 9.6%
Protolife is an unique tower-based strategy game which gives you a direct control over the builder robot in a struggle against the hungry proto-life organism.
Why similar: Tower Defense 31.4%, RTS 24%, Aliens 16%, Sci-fi 11.3%, Strategy 9.1%
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 23.6%, RTS 19.7%, Aliens 15.9%, Management 11.3%, Strategy 7.9%
Project Astra Dominium is a Tower Defense game with Basebuilding and Automation elements. Build up your base to become a supply hub for Earth's desperately needed materials, gather resources while defending against an unknown alien threat and improve your tower's and AI capabilities.
Why similar: Tower Defense 20.9%, Aliens 16.5%, Gun Customization 14.5% ★, Automation 14.4%, Space 7%
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 24.3%, RTS 19.2%, Automation 12.2%, Sci-fi 10.5%, Strategy 8.4%
Phantom Signal is a real-time sci-fi strategy game with unusual mechanics. Explore mysterious star systems and reveal the secret of the phantom signal.
Why similar: Tower Defense 33.4%, Strategy 18.9%, Sci-fi 12.9%, Space 11.9%, RTS 10.6%
U.F.O. K.O. Tower Defense: Place lasers, missile launchers, sniper turrets, and use combat strategies such as airstrikes and the space ray to repel waves of alien invaders in this sci-fi tower defense game.
Why similar: Tower Defense 36%, RTS 25.9%, Aliens 15.9%, Strategy 9.8%, Simulation 5.5%
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 31.9%, RTS 20.3%, Strategy 16%, Sci-fi 13.3%, Space 7.1%
The ultimate mash-up of Real-time Strategy and Tower Defense!
Why similar: Tower Defense 56%, Strategy 12.9%, Aliens 9.9%, Sci-fi 9.9%, RTS 6.1%
Space Nature Attack TD is a tower defense where you can level up and customize tower stats and elements to your liking! Fend off various types of alien creatures across many different sci-fi planet themed maps, biomes, and difficulties!
Why similar: Tower Defense 40.6%, Aliens 19.2%, Strategy 16.4%, Sci-fi 10.2%, Space 7.1%
Defend the solar system from fearsome aliens by sending satellites into orbit in revolutionary tower defense action!
Why similar: Tower Defense 61.1%, Strategy 12%, Aliens 11.1%, Sci-fi 8.7%, Space 3.6%
STARGEARS is a sci-fi RTS set on an alien world.
Why similar: Tower Defense 30.6%, RTS 26.3%, Aliens 16.2%, Strategy 16%, Sci-fi 6%
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 41.7%, RTS 14.1%, Strategy 12%, Sci-fi 9.3%, Automation 7.7%
Celestial Wardens is a sci-fi tower defense game where you command a lone spaceship to defend a planet under siege. Survive waves of enemies, build turrets, upgrade your ship, and manage your planet to prevent total annihilation.
Why similar: Tower Defense 36.6%, Management 18.1%, Aliens 12.6%, Strategy 11.2%, Space 10.2%
The replicator robots are back! It's 2528. The machines are increasingly infecting the planets with genetically modified monsters. Challenge them and try to stop the onslaught. Upgrade buildings and heroes, mine resources, discover technology and fight to save humanity!
Why similar: Tower Defense 50.4%, RTS 33.3%, Strategy 14.6%, Indie 1%, Action 0.7%
Defense Task Force Featuring Large Scale Procedurally Generated Tower Defense Battles with FPS Quality Visuals and Infinite Waves. 10 tower types, with different attacks , 3 levels plus boosts. 25 Enemy alien species: Regulars, Swarmers, Racers, Cloakers, Healers, Boss Units and Spawners.
Why similar: Tower Defense 50.6%, Strategy 17.5%, Sci-fi 14.3%, Simulation 13.5%, Indie 4.1%
A Rogue-like Tower Defense game with 10 towers, 5 damage types, 20 abilities, and hundreds of upgrades. Select one or more upgrades to your towers and/or abilities at the end of each level that stay with you through your mission to protect the Xenocrystals. Limitless possibilities!
Why similar: Tower Defense 44.7%, Aliens 14.3%, Science 12.7% ★, Strategy 12.3%, Sci-fi 9.2%
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: Tower Defense 25.8%, RTS 22%, Aliens 14.2%, Strategy 12.4%, Management 7.5%
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: Tower Defense 25%, RTS 20.5%, Aliens 17.3%, Automation 12.4%, Strategy 9.1%
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 43.6%, Strategy 24.1%, RTS 13.2%, Sci-fi 10.7%, Indie 4.2%
Defense Grid: The Awakening is a unique spin on tower defense gameplay that will appeal to players of all skill levels. A horde of enemies is invading, and it's up to the player to stop them by strategically building fortification towers around their base.
Why similar: Tower Defense 65.4%, Strategy 10.8%, Sci-fi 10.2%, Aliens 9.1%, Indie 1.7%
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 36.7%, Aliens 26%, Sci-fi 15.1%, Strategy 10.9%, Futuristic 5.6%
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 27.2%, Aliens 20.7%, Sci-fi 11.6%, Management 11%, Strategy 8.2%
Creeper World 3 is what happens when cellular automata takes over a strategy simulation. Instead of discrete units that attack your base, a fluid-like substance spreads over the terraformable terrain. Your base, your weapons, your strategy... you must adapt them all.
Why similar: Tower Defense 59.5%, RTS 14.6%, Strategy 11.2%, Sci-fi 7.5%, Simulation 2.9%
Plasma Dome is a tactical tower defense with roguelite progression and no predefined paths. Defend your city from an aerial assault of geometric entities from another dimension.
Why similar: Tower Defense 40.2%, RTS 28.1%, Strategy 14.7%, Sci-fi 9%, Base Building 3.7%
A tower defense strategy science fiction game, in the future era, when aliens invade the solar system, players need to build various turrets to resist alien attacks and guard the Milky Way and solar system.
Why similar: Tower Defense 40.2%, Aliens 19.4%, Strategy 16.1%, Space 7.2%, Sci-fi 6.6%
Join the European Space Agency's SHIELD mission and discover why aliens aren't the biggest threat to us! In this science-based Planetary Protection Simulator, you fight real cosmic hazards. Build, Monitor, Protect! Become Earth's Last Defense.
Why similar: Tower Defense 24.8%, Science 24% ★, RTS 16.5%, Strategy 8.5%, Management 8.1%
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 34.7%, Automation 21.4%, RTS 15.6%, Strategy 13.1%, Simulation 7.6%
Relativity Wars is a god-type strategy/action game, set in a universe which obeys Einstein’s theories of relativity!
Why similar: RTS 31%, Science 20.3% ★, Strategy 15.8%, Simulation 12.7%, Space 8.7%
A relaxing strategy game featuring unconventional gameplay. Your objectives include development, evolution, border expansion and protection of your hive.
Why similar: Aliens 15.8%, Science 15.4% ★, Strategy 13.8%, RTS 12.9%, Simulation 11%
Sci-fi tower defense where you create your own maze, manage drones and power levels, and harvest for resources. Upgrade your turrets, buildings and ground units. Upgrade and buy new vehicles and motherships.
Why similar: Tower Defense 50.6%, Sci-fi 21.5%, Strategy 17.3%, 3D 4.7%, Indie 3%
Spaceships and Cellular Automata is a tower defense game set in space! Place different towers to defend your ship against the waves of aliens. The enemies are simulated based on Conway's Game of Life. Even just one of your bullets is enough to cause a destabilizing chain reaction to destroy them!
Why similar: Tower Defense 42.7%, Aliens 17.7%, Strategy 15.6%, Space 13.6%, Sci-fi 7.9%
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 40.9%, Strategy 15.6%, Management 14.3%, Sci-fi 9.9%, Space 7.5%
Space Run is a «real-time spaceship construction strategy game». Space Run takes the well-known Tower Defense-style gameplay and twists it, challenging you to manage and protect a spaceship and its cargo against the hazards of deep space!
Why similar: Tower Defense 57.4%, Space 15.5%, Strategy 13.8%, Sci-fi 10%, Indie 2.2%
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: Tower Defense 31.2%, RTS 24.1%, Sci-fi 12.6%, Space 9.6%, Strategy 8.5%
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 27.1%, RTS 20.8%, Sci-fi 10.1%, Space 9.7%, Strategy 8.6%
Aliens Falling from the Sky? reimagines tower defense with intense action and tactical depth. Build, upgrade, and combine powerful towers to stop relentless alien waves — because somehow, saving the world is your problem now.
Why similar: Tower Defense 43%, Aliens 26.4%, Space 12.4%, Strategy 12.3%, Indie 2.1%
Colony Siege combines the best of RTS and tower defense, including base building, mazing, and unit physics. Defend Earth's remaining colonies using an arsenal of deadly weapons to torch, slice, throw, and impale swarms of alien invaders.
Why similar: Tower Defense 30.6%, Strategy 24.8%, RTS 17.3%, Simulation 14.5%, Sci-fi 10%
The Echoes of Mars is a voxel-style tower defence game. Defend your research base on Mars from ancient creatures by strategically placing towers and using advanced tech.
Why similar: Tower Defense 35.6%, RTS 16.2%, Sci-fi 14.1%, Aliens 13.4%, Strategy 12.2%
Protect the asteroid mine's reactor from swarms of supersized alien protozoa. This game's groundbreaking AI system uses machine learning to adapt to your strategy in real-time as you build and upgrade your defenses. Fight evolution itself.
Why similar: Tower Defense 36.5%, Strategy 18.3%, Science 17.8% ★, Sci-fi 14%, Futuristic 3.8%
The Rift is a tower defense game with elements of RPG gameplay that will appeal to players of all skill levels. Enemies from an alternate universe are attacking and it's up to the player to stop them by strategically building defensive towers.
Why similar: Tower Defense 38.7%, Aliens 19.6%, Strategy 15.3%, RPG 11.1%, Sci-fi 7%
Defend Earth from the dangers of space in Orbit Armada! Orbit Armada is a tower defense / roguelite where every run is different. Pick and manage your units wisely, you've only got one Earth!
Why similar: Tower Defense 32.9%, RTS 24.5%, Strategy 12.2%, Aliens 10%, Management 7.6%
Strange radio bursts have been detected! Embark on an immersive adventure as you analyze radio signals coming from space, decipher hidden messages, symbols, sounds, and translate alien languages. Follow an engaging story with countless dialogues and game-changing choices.
Why similar: Science 37% ★, Aliens 33.7%, Sci-fi 15.1%, Space 6.9%, Simulation 4.6%
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 36.5%, RTS 22.8%, Strategy 13.7%, Sci-fi 13.4%, Base Building 5.3%
Build floating automated rigs in a volatile gas giant. Extract elements, synthesize compounds, and descend through atmospheric layers in this sci-fi systems-builder focused on chemistry, engineering, and survival.
Why similar: Science 26.6% ★, Automation 18.9%, Management 14.7%, Sci-fi 9%, Space 8.8%
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 35.1%, Aliens 22.3%, Strategy 17.3%, Sci-fi 9.4%, Space 7.1%
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 34.8%, RTS 22.2%, Management 11.9%, Strategy 11.5%, Sci-fi 7.6%
Save Our Solar System brings a fresh look on the tower defense genre. Shape the world around you with a lovable playable character. Harvest metal to upgrade towers. Collect rocket parts to advance to further planets. Fend off endless waves of asteroids.
Why similar: Tower Defense 28%, Aliens 21.4%, Automation 15.9%, Sci-fi 11.2%, Space 9.5%
Star Trek: Prelude is a space-based game that builds defense towers on earth to defend against alien invaders called Black Ember.
Why similar: Tower Defense 28.3%, RTS 23.3%, Aliens 16.6%, Strategy 10.6%, Space 7.9%
Build towers and learn abilities to defend against swarms of hundreds of on-screen hostile alien creatures. Choose between sets of randomized upgrades that both upgrade you and the alien swarm. From enormous explosions to far-reaching flamethrowers, no two games are the same.
Why similar: Tower Defense 32%, Aliens 26.9%, Sci-fi 12.1%, Strategy 10.6%, Space 6.8%
Tower Ships is a tower defense game where the towers are spaceships, this leads to significantly different mechanics to classic tower defence games
Why similar: Tower Defense 35.1%, Aliens 29.4%, Sci-fi 14.4%, Indie 11.9%, Strategy 9.3%
Assume control of an evil intergalactic megacorporation in this sci-fi tower defense. Build a mining infrastructure on alien moons and exoplanets, exploit their precious resources, and defend your operation against defiant natives.
Why similar: Tower Defense 26.9%, Aliens 17.9%, RTS 17.7%, Gun Customization 12.7% ★, Sci-fi 9.4%
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: Tower Defense 34.3%, RTS 24.8%, Sci-fi 9.5%, Strategy 8.1%, Management 6.8%
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 38.3%, RTS 27%, Strategy 14.6%, Management 9.4%, Base Building 4.5%
Harvest: Massive Encounter is an award-winning real-time strategy game with battles of epic proportions and a unique style of resource management and exploration. Build power plants, mineral harvesters and defense towers and make sure they have sufficient energy to fend off endless hordes of evil aliens.
Why similar: Tower Defense 60.9%, Strategy 21.9%, Sci-fi 10.7%, Indie 5%, Singleplayer 1.5%
Rise of Mutant Swarms is a strategy survival tower-defense game where you defend the base against waves of evolving mutant enemies. Place and upgrade turrets, adapt to enemy abilities, and make critical decisions as the pressure rises with every wave.
Why similar: Tower Defense 41.4%, Aliens 20.5%, Strategy 16.2%, Sci-fi 14.4%, 3D 3.5%
