60+ similar titles based on shared tags and player behavior. Themes include Tower Defense, Strategy, Singleplayer, Sci-fi.
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.
AGE OF ALIENS
On an alien world, you must defend yourself in this unique base-building tower-defense game. Build a base by placing blocks, turrets and traps in order to survive the hoards of aliens.
Raging Titan
Build your towers, plan your efforts, watch out for changing paths and strike back against the alien invaders in this challenging tower defense game!
On an alien world, you must defend yourself in this unique base-building tower-defense game. Build a base by placing blocks, turrets and traps in order to survive the hoards of aliens.
Why similar: Tower Defense 23.2%, Base Building 14.3%, Aliens 12.5%, Real Time Tactics 11.4%, Strategy 8.3%
Build your towers, plan your efforts, watch out for changing paths and strike back against the alien invaders in this challenging tower defense game!
Why similar: Tower Defense 22.6%, Real Time Tactics 16%, Aliens 13.8%, Base Building 9.3%, Futuristic 8.1%
Defend your base by placing towers strategically, forming interconnected systems that depend on one another. Adapt your strategy to different environments and enemy waves, exploiting their weaknesses. In System Status: SuperCritical, resources are scarce and critical failure is always an option.
Why similar: Tower Defense 25.8%, Real Time Tactics 16.4%, Strategy 9.8%, Space 9.1%, Base Building 8.5%
A planetary tower defense where enemies attack across land, air, and space. Build layered defenses, manage resources, and survive an escalating alien invasion.
Why similar: Tower Defense 29.2%, Real Time Tactics 15.5%, Base Building 12.6%, Strategy 8.3%, Tactical 6.5%
A Roguelike Tower Defense in space with missions to conquer. Can you hold against the spreading alien bosses? Build and upgrade towers against the corruption. Choose your technologies and warpspeed your way to victory.
Why similar: Tower Defense 23.3%, Real Time Tactics 17.9%, Aliens 11.9%, Building 9.2%, Strategy 8.2%
Great strategy is timeless. Build, adapt, and defend across dynamic maps, solo or online - every session brings new strategies, new solutions, and new surprises. Now is the perfect time to enter the grid.
Why similar: Tower Defense 18.8%, Aliens 15.2%, Real Time Tactics 13.2%, Base Building 11.8%, Tactical 8%
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 34.6%, Aliens 16.9%, Strategy 13.8%, Real Time Tactics 12%, Sci-fi 7.8%
Project VTS is a real-time TD game. You'll need to build your defence around your base and defend against different enemies from all directions in various terrains of the alien planet.Use your turrets, obstacles, power supply, resource facillities to defend your base.
Why similar: Tower Defense 33.6%, Base Building 17%, Building 13.1%, Futuristic 12.1%, Strategy 8.4%
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: Tower Defense 26.2%, Real Time Tactics 23.5%, Base Building 11.2%, Strategy 10.5%, Sci-fi 5.9%
A classic tower defense game set in space! Build and upgrade towers, defend your portal from waves of alien invaders, and outsmart evolving threats across handcrafted and procedural maps.
Why similar: Tower Defense 29.6%, Real Time Tactics 12.8%, Aliens 12.6%, Arcade 10.8%, Strategy 10%
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 27.8%, Real Time Tactics 20.4%, Aliens 18.2%, Strategy 13.5%, Action 6.7%
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 36%, Base Building 15.2%, Strategy 10.1%, Real Time Tactics 9.8%, Sci-fi 7.2%
Aim, fire, and fortify. Shogun's Stand is a fast-paced tower defense where you take direct control of your castle against relentless waves of feudal enemies. Place traps, command the battlefield, and level up to survive!
Why similar: Tower Defense 26.6%, Real Time Tactics 18.5%, Base Building 14.8%, Strategy 11.1%, Top-Down 8.6%
Build and upgrade towers with unique abilities to stop waves of enemies. With the advanced augment system, every 3 rounds you can boost your defenses and create strategies that fit your playstyle.
Why similar: Tower Defense 32.1%, Strategy 15.9%, Real Time Tactics 10.7%, Building 10.1%, Base Building 8.1%
0 World TD is a 2d tower defence game with deep combat system, highly adjustable difficulty settings and many more features!
Why similar: Tower Defense 31.5%, Base Building 18.8%, Real Time Tactics 18.6%, Strategy 12%, Tactical 7.9%
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 29.4%, Aliens 17.5%, Strategy 13.4%, Sci-fi 10.4%, Base Building 8.9%
Outpost Ginga follows the events of a research and production space station that was attacked at the beginning of the Automaton War. While that station was captured by the abhorrent Automatons the control center managed to make an emergency FTL jump, becoming lost in the vastness of space.
Why similar: Tower Defense 27.3%, Aliens 19.7%, Arcade 11.6%, Base Building 10.1%, Building 9.4%
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 31.9%, Aliens 23.3%, Futuristic 12.5%, Sci-fi 11.7%, Strategy 9.4%
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: Tower Defense 28.6%, Strategy 12.6%, Aliens 12%, Arcade 11.7%, Space 9.2%
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 40.4%, Real Time Tactics 18.3%, Strategy 11.3%, Base Building 10.4%, Tactical 6%
Build and upgrade towers, defend your fortress from the growing onslaught. With each wave, the challenges become more difficult, but a smart strategy and the right decisions will help you endure and prevail!
Why similar: Tower Defense 32.4%, Real Time Tactics 15.1%, Building 13.2%, Strategy 12.2%, Base Building 10.9%
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 35%, Aliens 17.4%, Strategy 13.9%, Base Building 7.8%, Futuristic 7.6%
Terra Forma is a pixelated 2D tower defense, inspired by Flash-age classics. Build a dozen unique towers and create even more fusions by combining shock, ice, fire, and iron. Prove your command prowess one final time, and defend mankind's final hope.
Why similar: Tower Defense 38.6%, Strategy 14.5%, Aliens 9.9%, Futuristic 9.6%, Sci-fi 7.8%
Galactic Garrison is a sci-fi, turn-based tower defense game where you defend your base from relentless alien waves on Mars. Deploy soldiers, build barricades, and upgrade defenses to withstand attacks. Earn powerful reward cards to gain strategic advantages and outmaneuver your enemies.
Why similar: Tower Defense 29.1%, Real Time Tactics 19.2%, Base Building 11.2%, Strategy 10.4%, Aliens 9.3%
Space Base is an action-packed tower defence game, where you aim to protect your planets from the incoming forces of enemy ships and aliens by any means necessary. Build up your defences as stronger and stronger waves of enemies arrive to reach the highest score possible.
Why similar: Tower Defense 32.4%, Base Building 17.2%, Aliens 12.8%, Strategy 11.1%, Tactical 7.9%
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 37.3%, Aliens 16%, Strategy 13.5%, Space 13.5%, Arcade 9.8%
M.A.C.E. Tower Defense 2, a classic tower defense game with unique towers and enemies
Why similar: Tower Defense 31.9%, Real Time Tactics 23.4%, Strategy 16.1%, Futuristic 13.2%, Tactical 7.8%
Tower defense / Roguelike / Sci-Fi / Pixel Art game with boomer games aesthetics. Mine resources and shoot those disgusting aliens right in their faces. Unlock new technology, develop new strategies and explore the planet. A modern old-school Pixel Art experience with the vibe of 90s classics.
Why similar: Tower Defense 31.3%, Base Building 13.4%, Building 12.7%, Strategy 11.3%, Sci-fi 8.6%
A 3d tower defense game set in space. Protect the last resource outposts from the ongoing Alien attacks! Can you hold out in these ever increasing difficult waves of enemies and protect the last of your resources and Energy?
Why similar: Tower Defense 31.4%, Aliens 18.5%, Arcade 11.6%, Sci-fi 9.3%, Space 9%
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 23.2%, Real Time Tactics 17.7%, Aliens 16.2%, Base Building 11%, Strategy 7.7%
The hungry Gooper swarm threatens intergalactic peace. Stop them! Build towers around planets and take control over their orbits. Spin them with all you’ve attached! Collect new towers, powers and upgrades to beat the onslaught of goopers and save the galaxy in this colorful Tower Defense Roguelite!
Why similar: Tower Defense 29.5%, Real Time Tactics 19.1%, Tactical 10.4%, Strategy 8%, Sci-fi 6.4%
A strategy tower defense game, selected from the story of humans logging into an outer planet in the future to obtain resources and fight against the Zerg tribe. Set in a beautiful and dangerous outer planet, it is fun to resist Zerg attacks with different colored energy crystals.
Why similar: Tower Defense 22.8%, Real Time Tactics 17.3%, Aliens 16.2%, Strategy 7.6%, Building 7.5%
A new charm of traditional tower defense.Hordes of unknown aliens have descended upon Earth. On dynamic scene maps, you need cleverly build defense towers to construct their path of advance, combine with controllable targeting strategies, and stop the aliens' assault.
Why similar: Tower Defense 41.4%, Base Building 20.2%, Strategy 17.1%, Sci-fi 13%, Top-Down 7.6%
Solder diodes, capacitors and other electronic components to defend your motherboard from waves of evil viruses!
Why similar: Tower Defense 41%, Strategy 16.6%, Real Time Tactics 15.2%, Base Building 14.3%, Tactical 12%
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 28.6%, Aliens 17.1%, Strategy 11%, Base Building 9.1%, Sci-fi 8.5%
In Radical Tower Defense, harness shifting core chips to forge a unique steel defense. Each choice reshapes your combat style. Unlock architectures, explore chip synergies, ignite tactical reactions. Don’t just defend—become a blade to break formations, strike the heartland, crush the enemy lair!
Why similar: Tower Defense 36.7%, Real Time Tactics 23.1%, Base Building 18.2%, Strategy 14.9%, Top-Down 5%
Play as Gregg. Gather, build and destroy your slimy enemies in this thrilling pixel art tower defence!
Why similar: Tower Defense 29.8%, Real Time Tactics 20.3%, Strategy 14.1%, Building 8.4%, Base Building 8%
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 38%, Aliens 24.1%, Space 12.4%, Strategy 10.7%, Top-Down 9.5%
A strategy game that combines MOBA and Tower Defence, You would control guardians with different skills，building your outpost to fend off enemy attacks.
Why similar: Tower Defense 32.1%, Base Building 20.4%, Strategy 15.5%, Building 12.4%, Tactical 7.6%
Join our machine legion to conquer the world.
Why similar: Tower Defense 23.7%, Aliens 18.4%, Real Time Tactics 14.7%, Futuristic 11.6%, Sci-fi 8.1%
East DefenseYour duty is to protect the castle by strategically building & upgrading towers to stop monsters from coming their way!
Why similar: Tower Defense 33.7%, Base Building 16.4%, Strategy 13.2%, Tactical 11.8%, Real Time Tactics 10.8%
Sphere Invasion is Sci-Fi Tower Defence. Build your own road and defend it with 7 unique towers.
Why similar: Tower Defense 28.5%, Real Time Tactics 21.9%, Strategy 9.4%, Space 8.9%, Tactical 8.8%
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%, Strategy 15.4%, Base Building 13.8%, Sci-fi 11.5%, Space 7.8%
A maze-building tower defense where tower placement is everything. Force enemies the long way around, build choke points, push through lava, and adapt as levels change beneath you. No spells, no card modifiers. Just planning, placement, and a cat stuck in a jar.
Why similar: Tower Defense 40.9%, Base Building 12.5%, Strategy 11.6%, Tactical 7.8%, Top-Down 6.9%
The day has come… Humanity has been attacked by an alien race.You have space bases at your disposal. Use them to launch battleships and take over the alien mothership.
Why similar: Tower Defense 23.7%, Real Time Tactics 14.5%, Base Building 13.5%, Aliens 13.4%, Tactical 10.5%
Gather and build during the day, then hold the line at night as hostile drones assault your base. A top-down sci-fi tower defense strategy game about resource management, base expansion, and surviving escalating nightly threats.
Why similar: Tower Defense 24.9%, Real Time Tactics 18.2%, Base Building 16.2%, Strategy 8.6%, Futuristic 8%
Eternal Siege is an evolutionary tower defense based around min-max resource management, efficient use of spells, and (hopefully) building some towers. Start in the Ancient Greek era and defend your way through the human eras (Roman, medieval, modern, etc). Can you survive the human extinction era?
Why similar: Tower Defense 31.3%, Real Time Tactics 15.4%, Building 12.7%, Tactical 11.4%, Strategy 9.4%
Take direct control of your hero in this stylized 3D tower defense. Don’t just place your defenses—pick them up and rush them to the front lines as the tide of battle shifts. Strategize in real-time to protect your realm from ever-evolving threats.
Why similar: Tower Defense 21.8%, Strategy 18.4%, Real Time Tactics 17.3%, Base Building 14.9%, Tactical 9%
Build your towers according to the enmey you are facing in the wave. Upgrade your turrets to increase range, damage or rewards. Each enemy wave will be random and increases in speed and damage resistance. How far can you go!
Why similar: Tower Defense 36.2%, Real Time Tactics 20.4%, Sci-fi 12.8%, Strategy 9.2%, Futuristic 7.7%
'Galaxy Defense War' is a roguelike tower defense game where you need to select suitable galactic principles from randomly dropped heroes and equipment to form a combat-ready team to resist alien invaders.
Why similar: Tower Defense 34.6%, Base Building 18.4%, Aliens 18.3%, Strategy 14.4%, Building 10.9%
Bumper Blitz TD redefines tower defense with gravity-powered physics and dynamic gameplay. Build, upgrade, and bounce enemies away in this thrilling fusion of strategy and action!
Why similar: Tower Defense 41.3%, Aliens 20.9%, Strategy 11.7%, Space 8.3%, Top-Down 6.8%
Build by day. Survive by night. A focused medieval tower defense where every decision is permanent.
Why similar: Tower Defense 33%, Base Building 17.5%, Real Time Tactics 16%, Strategy 12.8%, Tactical 8%
Build, gamble, and most of all survive in this roguelike tower defense where everything is a tile. Use the slot shop to draft towers and physical upgrade tiles to buff your grid. With hundreds of unique synergies, will you hit the jackpot or let the enemies break your base? Play the odds today!
Why similar: Tower Defense 32.4%, Real Time Tactics 23%, Base Building 13.2%, Strategy 11.4%, Top-Down 5.9%
Players resist enemy invasion by building production bases, constructing conveyor belts, upgrading carriers, and strengthening weapons.
Why similar: Tower Defense 32.5%, Real Time Tactics 20.3%, Strategy 16.3%, Base Building 11.1%, Futuristic 10.2%
This is a tower defense building game. The game controls the movement of the protagonist through the arrow keys on the keyboard or the left mouse button, and interacts with characters and objects in the scene through the space bar.
Why similar: Tower Defense 37.5%, Real Time Tactics 26.2%, Base Building 18.3%, Strategy 8%, Building 6.6%
Build and defend your fortress while expanding out in this hold-out tower defense roguelite. Battle across a procedural alien homeworld, fight back corrupted terrain, discover hundreds of structures and upgrades as physics-driven swarms threaten to wipe out humanity.
Why similar: Tower Defense 24.7%, Aliens 15.9%, Base Building 15.5%, Sci-fi 7.2%, Strategy 7.2%
Desperate Place is a strategic tower defense game where you play as a crew member who wakes up early on a damaged colonization starship. Stranded on an unknown planet, you must gather resources, repair the ship, and defend against alien monsters to survive and escape.
Why similar: Tower Defense 21.6%, Real Time Tactics 14.4%, Base Building 13.6%, Futuristic 10%, Building 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 34.9%, Base Building 19.1%, Aliens 13.6%, Sci-fi 10.1%, Strategy 9.9%
With a style inspired by the RTS games from early 2000's, a new tower defense combines in a unique way action, tactics, replay value and fun. They are here! Choose your targets, upgrade, replay, discover your enemies and your tactical skills.
Why similar: Tower Defense 28.9%, Aliens 23.6%, Real Time Tactics 21.6%, Strategy 8.2%, Tactical 7%
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 30.7%, Real Time Tactics 17%, Building 13.1%, Sci-fi 10.3%, Strategy 8.7%
