
Competitive endless sci-fi tower defense game with global leaderboards where you strategically place and upgrade Glowbots to stop waves of enemies across vibrant space maps.
60+ similar titles based on shared tags and player behavior. Themes include Strategy, Tower Defense, Real Time Tactics, Singleplayer.

Competitive endless sci-fi tower defense game with global leaderboards where you strategically place and upgrade Glowbots to stop waves of enemies across vibrant space maps.

Battle Brawlers
Battle Brawlers is a fast-paced, globally served RTS game. In 1v1, 2v2 battles, only goal is to strategically place troops and flexibly cast magic spells to defeat enemy's War Gods!

Eternal Siege
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?
Battle Brawlers is a fast-paced, globally served RTS game. In 1v1, 2v2 battles, only goal is to strategically place troops and flexibly cast magic spells to defeat enemy's War Gods!
Why similar: Competitive 37.7%, Tower Defense 29.8%, Real Time Tactics 20.3%, Strategy 12.2%
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 30.9%, Competitive 23.8%, Real Time Tactics 13.7%, Strategy 8.2%, Sci-fi 7.9%
Tau Cubis is a mazing tower defense game set in colorful sci-fi landscapes. Use your strategic skills to overcome numerous challenges and advance through the leaderboards.
Why similar: Tower Defense 32.3%, Score Attack 13.7%, Strategy 13.2%, Space 10.2%, Sci-fi 10%
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 40.8%, Strategy 14.4%, Real Time Tactics 12.8%, Space 8.8%, Sci-fi 8.7%
The Elgem Nexus is under attack! Protect it by killing enemies, upgrading gems, and discovering powerful combinations. Not all gems grow the same, and the randomness creates infinite replayability in this element-themed tower defense game.
Why similar: Tower Defense 32.7%, Competitive 20.3%, Score Attack 13.5%, Strategy 9.6%, RTS 8.9%
A maze tower defense where you build the path enemies are forced to walk, not a fixed track. Forge kill-corridors with 15 bespoke races and branching upgrades. Climb a solo Gauntlet of AI rivals, outlast endless waves, or duel a friend 1v1 online.
Why similar: Competitive 43.9%, Tower Defense 40.3%, Strategy 13.8%, Indie 1.5%, Singleplayer 0.5%
Element TD 2 sees you combine powerful elements to create unique towers. Prove your defenses against challenging foes, and compete or cooperate with others to determine who has mastered the elements.
Why similar: Tower Defense 27.5%, Competitive 25.2%, Real Time Tactics 17.4%, Score Attack 11.8%, Strategy 6.3%
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 46.4%, Sci-fi 15.3%, Real Time Tactics 15.2%, Strategy 11.5%, Top-Down 5.6%
Where the player will have to defend the location by placing towers and withstand waves of attacking enemies. In this 3D game, you will find yourself facing the task of repelling hordes of skeletons and monsters.
Why similar: Tower Defense 39.1%, Real Time Tactics 32.4%, Strategy 9.8%, Top-Down 8.5%, 3D 3.8%
A strategic space tower-defense game. Enemies detect, warn, and try to bypass defenses, forcing you to adapt. Combine diverse towers and face unique maps for varied battles. With tense sci-fi atmosphere, it delivers a fresh experience beyond traditional tower defense.
Why similar: Tower Defense 29.1%, Real Time Tactics 20.1%, Space 10.4%, RTS 9%, Strategy 8.9%
From the creators of Bloons TD6... Bloons TD Battles 2 is a brand new installment of the top-rated head-to-head tower defense game. Gather your Hero, choose your team of powerful Monkey Towers, and prepare to battle one on one against other players and relentless waves of Bloons!
Why similar: Competitive 34.5%, Tower Defense 28.1%, Real Time Tactics 16.4%, Strategy 7.3%, Top-Down 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 57.7%, Space 19.3%, Strategy 12.2%, Sci-fi 8.5%, Indie 2.2%
自分の城を守りつつ、モンスターを出撃させて、敵の城を攻めよう! モンスターの進むルートを指定できたり、壁を掘って地形を変えたりして自分自身の戦い方でステージを攻略できます。 モンスターは進んだルートの形に応じてスキルが発動します。 ルートの組み方を工夫することで、スキルを多く発動させたり、最短ルートを指示して敵の城へ素早く攻撃を仕掛けることもできます。 ルートのとり方によって戦略は無限大! モンスターのレベルアップ、世界観がわかるストーリーの収集、キャラクターやロボットのこぼれ話、隠しキャラクターなどやりこみ要素が満載! 登場キャラクターは12種類、収録曲は16曲以上!
Why similar: Tower Defense 37.9%, Real Time Tactics 25.3%, Strategy 16.9%, Score Attack 14.9%, Fantasy 2.9%
This thrilling real-time strategy tower defense game immerses you in a three-dimensional world, where every decision matters and every action impacts the outcome of the battle. Get ready for epic battles and become the hero of the kingdom!
Why similar: Tower Defense 36.3%, Real Time Tactics 29.9%, RTS 10.1%, Strategy 8.5%, Top-Down 6.6%
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 33.6%, Real Time Tactics 16.9%, Score Attack 12.6%, Sci-fi 10.7%, Strategy 8.4%
Project Myriad 2 is a tower defense strategy game. Build towers on a grid of hexagons floating in space. 35 levels with unique tiles and mechanics each providing a unique challenge. 3 difficulty levels including extreme mode which has never ending waves of enemies. Strive for your new high score!
Why similar: Tower Defense 43.2%, Strategy 14%, Arcade 8.4%, Top-Down 7.1%, RTS 6.8%
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 41.3%, Real Time Tactics 21.1%, Sci-fi 13.9%, Strategy 9.3%, Space 5.4%
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 35.4%, Real Time Tactics 20.4%, Space 13.6%, Strategy 11.9%, Top-Down 6.2%
A unique and modern take on the tower defense genre.
Why similar: Competitive 34.1%, Tower Defense 28.9%, Real Time Tactics 25.2%, Strategy 9.4%, 3D 2.3%
Defend humanity in IRON GUARD: Salvation. Build and upgrade turrets, support your heroes, and personally join the fight with your drone’s firepower against relentless machines.
Why similar: Tower Defense 27.1%, Real Time Tactics 20.1%, Score Attack 10.5%, RTS 7.8%, Space 7.4%
When monster troops flocked to the kingdom, which was troubled by the king's tyranny, the king, who had been tyranny, abandoned the kingdom and left. May you be our king and guardian and protect the kingdom. Hire archers, artillery, wizards, and develop their abilities, and save the kingdom
Why similar: Tower Defense 35.9%, Real Time Tactics 23.8%, Strategy 17.3%, Score Attack 13.8%, 3D 3.5%
Save the Dungeon! Is a tower defense game from the perspective of the villain. Upgrade your minions to hold back the relentless hordes of heroes.
Why similar: Tower Defense 39.9%, Real Time Tactics 26.4%, Strategy 17.5%, Top-Down 7.7%, Fantasy 3.3%
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 37.7%, Real Time Tactics 14.8%, Space 12.4%, Strategy 11.2%, Arcade 7.8%
Saadex Defense is a score-attack TD with RTS elements. Push the Creep back with specialized towers and upgrades, or avoid them, to ensure your towers are ready to fight the more immediate threat of the Creeplings. Can you survive long enough to turn the tide?
Why similar: Tower Defense 32.9%, Score Attack 20.5%, Real Time Tactics 13.6%, RTS 8.8%, Sci-fi 8.4%
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 50.2%, Real Time Tactics 20.6%, Strategy 12.4%, RTS 6%, Sci-fi 5.9%
The ultimate mash-up of Real-time Strategy and Tower Defense!
Why similar: Tower Defense 63.2%, Strategy 12.7%, Sci-fi 9.5%, Top-Down 3.7%, Indie 3.2%
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 54.2%, Sci-fi 19.6%, Strategy 16.2%, 3D 5.7%, Indie 3.2%
Chrono Crystal is a tower defense game. Spanning across 5 major regions with the Prince and facing numerous challenges, an unprecedented great war is about to break out. Build your towers, upgrade your heroes, and defend your crystal against waves of enemies—until the countdown timer runs out!
Why similar: Tower Defense 45.5%, Real Time Tactics 24%, Strategy 19.7%, Fantasy 4.8%, Colorful 3.6%
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 36%, Real Time Tactics 24%, Strategy 15.5%, Space 9%, Sci-fi 8.2%
Dive into 'Pallet Panic,' an action-packed forklift frenzy that blends strategic logistics with fast-paced fun. Manage the chaos of a vibrant factory, combining, lifting, and racing to become the ultimate forklift operator. Unleash your skills in this whimsical world of cartoony mayhem!
Why similar: Competitive 36.1%, Score Attack 22.4%, Real Time Tactics 11.3%, Strategy 11.2%, Top-Down 10.6%
Defenders 2, - an exciting hybrid of Tower Defense and CCG, - is now available on Steam! Challenge endless hordes of monsters: build an impassable defense on their path and protect your mines. Collect all the unique towers and prove that even a tornado is not an obstacle for you.
Why similar: Tower Defense 50%, Competitive 21.1%, Strategy 11%, Real Time Tactics 10.7%, RTS 4.7%
Sphere Invasion is Sci-Fi Tower Defence. Build your own road and defend it with 7 unique towers.
Why similar: Tower Defense 34.3%, Real Time Tactics 23.9%, Space 11.7%, Strategy 9.9%, Sci-fi 9.1%
A dark medieval tower defense. Build walls, arrow towers, bombards, and a castle against 13 escalating enemy types across 8 maps. Adaptive music and economy reshape every run. 4 difficulty modes, 24 Steam achievements, cloud saves, first-class controller support.
Why similar: Tower Defense 42%, Real Time Tactics 35%, Strategy 16.6%, 3D 4.1%, Indie 1.7%
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 60.6%, Real Time Tactics 22.8%, Strategy 16.5%
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 35%, Real Time Tactics 21.8%, Strategy 15.1%, RTS 9.5%, Sci-fi 8.6%
《The Galaxy》是一款以塔防为核心玩法的游戏。在游戏中,玩家将扮演一位能够在宇宙中“看到”航道的探星舰船长,体验和一众美少女船员探索星空,并和各种各样的宇宙生物战斗的故事。
Why similar: Tower Defense 38%, Real Time Tactics 23%, Strategy 16.6%, Space 9%, Sci-fi 8.3%
"In 'Random Core Defense,' acquire and enhance cores using limited resources to withstand relentless enemy onslaughts. Defeat powerful bosses and test your strategy to survive until the very end!"
Why similar: Tower Defense 40.7%, Real Time Tactics 22.4%, RTS 10.1%, Strategy 10%, Sci-fi 5.7%
Enjoy freedom of movement in full 3D with no fixed paths in this tower defense and RTS hybrid. Your units are your towers and you can build fences anywhere. Set your units' behavior to create a perfect team of defenders. Two leader boards let you play forever!
Why similar: Tower Defense 43.1%, Real Time Tactics 28.6%, Strategy 19.3%, 3D 4.2%, Fantasy 4.2%
Favela Defender is a tower defense game where you take charge of your own favela and must defend it against invaders. Face challenges across different maps, adapt your strategies, and compete for your spot on the global leaderboard!
Why similar: Tower Defense 38.4%, Score Attack 26.6%, Real Time Tactics 25.3%, Strategy 9.3%, Singleplayer 0.4%
Save Earth from total annihilation by drifting a missile through a variety of unique and punishingly difficult asteroid fields.
Why similar: Competitive 43.7%, Score Attack 18.8%, Space 12.1%, Sci-fi 10.4%, Arcade 8.2%
Space Run Galaxy is the sequel to Space Run, the game from one-man studio Passtech, which seduced hundreds of thousands of players with its dynamic and original gameplay. By twisting the tower-defense game style, Space Run offered an addictive real-time spaceship construction strategy experience.
Why similar: Tower Defense 57.5%, Strategy 21.2%, Space 16.8%, Indie 4.5%
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 34.6%, Real Time Tactics 21.6%, Strategy 14.8%, RTS 9.7%, Space 7.8%
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 29.6%, Real Time Tactics 17%, Space 13%, Sci-fi 9.4%, RTS 8.4%
You do not attack with towers. You must defend against enemies using the 'lines' that connect them. Endless strategic possibilities through the placement of towers in the right colors and the combination of lines with the perfect functions! The most classic yet entirely new tower defense.
Why similar: Tower Defense 38.8%, Real Time Tactics 32.1%, Strategy 14.3%, Top-Down 8.5%, Logic 6%
Defend the solar system from fearsome aliens by sending satellites into orbit in revolutionary tower defense action!
Why similar: Tower Defense 71.5%, Strategy 12.2%, Sci-fi 8.7%, Space 5.2%, Indie 2.5%
M.A.C.E. Tower Defense 2, a classic tower defense game with unique towers and enemies
Why similar: Tower Defense 40.1%, Real Time Tactics 26.8%, Strategy 17.9%, Sci-fi 8.9%, 3D 4%
Lead an armored squad through the perils of this reversed tower defense action-strategy game!
Why similar: Tower Defense 47.6%, Strategy 25.5%, Sci-fi 13.3%, RTS 5%, Indie 4.2%
Demon Invasion: Endless is a tower defense game with endless challenges and tons of talent to explore. You will need to plan your tactics and build defensive towers to repel endless demons. Keep challenging and gaining resources to build your unique talent tree.
Why similar: Tower Defense 42.8%, Real Time Tactics 28.2%, Strategy 21.1%, Colorful 3.9%, Fantasy 3.4%
Go head to head with other players in a Bloon-popping battle for victory. From the creators of best-selling Bloons TD 6, this all new Battles game is specially designed for multiplayer combat, featuring the ability to control bloons directly and send them charging past your opponent's defenses.
Why similar: Tower Defense 52.1%, Competitive 33.8%, Strategy 12.5%, Difficult 1%, Indie 0.3%
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 64.3%, Strategy 20.2%, Sci-fi 9.6%, Indie 5.3%, Singleplayer 0.5%
数以亿计的妖怪遍布整个世界各地。人类需要一个英雄要去弄明白妖怪的来源。去打败妖怪。为人类生存而努力下去。
Why similar: Tower Defense 45.6%, Real Time Tactics 30%, Strategy 21.7%, Indie 2%, Singleplayer 0.7%
Build, expand, and defend a finite grid while dynamically reshaping enemy paths. Every decision matters as escalating Colossus waves push your defenses to the limit. How long can you remain OnGrid()?
Why similar: Tower Defense 41.4%, Real Time Tactics 27.3%, Strategy 19.2%, Top-Down 9.8%, Indie 1.8%
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 40.8%, Strategy 20.2%, Space 18%, Sci-fi 13.5%, RTS 4.8%
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: Real Time Tactics 31%, Tower Defense 30.4%, Strategy 15%, Top-Down 9.3%, RTS 6%
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 37.5%, Real Time Tactics 22%, Strategy 9%, Space 8.8%, Sci-fi 7.8%
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 49.1%, Strategy 12.2%, Real Time Tactics 11.9%, Sci-fi 9.2%, RTS 6.1%
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 36.9%, Real Time Tactics 22.6%, Strategy 17.4%, RTS 10.2%, Top-Down 6.8%
WAIFU STAHP: Kekkon Kiken (結婚危険) is a non-violent tower defense game where you distract and dusgust waifus so they don't meet and inevitably marry your friend. Utilize over 100 defenses to distract & disgust waifus until they lose interest in marriage so you can keep hanging out with your best bud.
Why similar: Tower Defense 41%, Real Time Tactics 27.4%, Strategy 18.1%, Top-Down 9.1%, 3D 4.1%
Heroic Assault is a reverse tower defense game where you prepare your army to go through the infested lands of defenses. Choose your units wisely depending on the layout of the defenses and equip them with unique abilities.
Why similar: Tower Defense 40.2%, Strategy 17.9%, Real Time Tactics 17.1%, Top-Down 12.2%, Fantasy 3.8%