
Hardlight is a stylized, sci-fi tower defense game in which you must defend against dark, enigmatic invaders. Strategize your defense by lighting up the world so that you can detect and destroy waves of enemies.
60+ similar titles based on shared tags and player behavior. Themes include Strategy, Tower Defense, Singleplayer, 3D.

Hardlight is a stylized, sci-fi tower defense game in which you must defend against dark, enigmatic invaders. Strategize your defense by lighting up the world so that you can detect and destroy waves of enemies.

We Are the Universe
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.

Defense Task Force - Sci Fi Tower Defense
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.
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%, Sci-fi 19.9%, Strategy 17.2%, 3D 8.7%, Singleplayer 3.7%
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 52.1%, Strategy 18.1%, Simulation 15.4%, Sci-fi 13.7%, Indie 0.7%
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 42.4%, Strategy 17.2%, Top-Down 11.1%, Sci-fi 10%, 3D 6.7%
Do you like Tower Defense games with Strategy elements? Well, look no further! We've got exactly what you're looking for! Get ready to defend your settlement from enemies using a huge arsenal of towers!
Why similar: Tower Defense 53.2%, Tactical 19.2%, Strategy 17.1%, 3D 10.2%, Simulation 0.2%
Defentrix is an intense single-player tower defense strategy game where every decision matters. Plan your towers, react under real-time pressure, and hold the line with smart tactics instead of luck.
Why similar: Tower Defense 49.1%, Tactical 19.8%, Gun Customization 13.2% ★, Strategy 12.5%, 3D 3.6%
Slime Virus Defense is a 2D strategy game where animal towers defend your computer from invading virus-like slimes. Use unique tower classes and skills to develop strategies and stop the slime invasion before it's too late!
Why similar: Tower Defense 42.4%, Strategy 22.2%, Top-Down 11.3%, Tactical 11.3%, Sci-fi 10.9%
An atmospheric tower defense game with intentionally imbalanced mechanics. Deploy defenses and skills to stop enemies. Through multi-tiered levels, learn from failures to adapt strategies and secure victory.
Why similar: Tower Defense 40.9%, Strategy 16.2%, Simulation 11.9%, Tactical 8%, Real Time Tactics 6.2%
Solder diodes, capacitors and other electronic components to defend your motherboard from waves of evil viruses!
Why similar: Tower Defense 47.5%, Strategy 19.5%, Tactical 14.5%, Real Time Tactics 6.9%, 3D 6.7%
Build wild multi-class turrets, stack abilities, and outsmart waves of enemies in this fast-paced, cartoon-style sci-fi tower defense! Combine synergies, manipulate cooldowns, and unleash chaos with explosive effects and clever combos.
Why similar: Tower Defense 40.1%, Strategy 22.5%, Tactical 9.7%, Sci-fi 9.5%, Top-Down 9.4%
Wrench Towers is a tower defense game inspired by the golden age of Flash games, with a modern take on gameplay and pixel art.
Why similar: Tower Defense 40.2%, Gun Customization 16.1% ★, Strategy 13.8%, Real Time Tactics 10.3%, Top-Down 7.8%
"League Tower Defense" is a strategy tower defense game that combines unique defense towers and various upgradeable components to unleash different attack effects. Come and build your perfect defense line.
Why similar: Tower Defense 33.3%, Gun Customization 23.3% ★, Strategy 10.4%, Sci-fi 10%, Tactical 8.2%
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 36.9%, Tactical 14%, Strategy 11.2%, Sci-fi 10.4%, Top-Down 9.3%
Bad coffee. Boredom. And now—war. Southern forces have invaded the North in a dangerously curious conflict. Use your wits in Lore of Terra, a handcrafted tower defense game with charm, chaos, quirky characters, 9 continents, and 80+ unique allies and foes.
Why similar: Tower Defense 40.3%, Strategy 21.1%, Tactical 14.6%, Real Time Tactics 11.6%, 3D 6.6%
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: Tower Defense 38.9%, Sci-fi 14.2%, Strategy 13.1%, Tactical 8.5%, Real Time Tactics 6.5%
A sci-fi Tower Defense game where you build your own towers by combining different modules to create unique structures. The damage system and unique enemies will force you to choose weapons for each threat separately. Study the glossary to learn more about each enemy.
Why similar: Tower Defense 27.2%, Gun Customization 17.6% ★, Top-Down 9%, Real Time Tactics 8.6%, Nonlinear 8.4%
Build, defend and conquer in a strategic 3D tower defense game filled with unique enemies and challenging maps!
Why similar: Tower Defense 43.4%, Strategy 14.7%, Top-Down 12.9%, Sci-fi 12.7%, Tactical 12.3%
Defend your kingdom by fighting back against an approaching robot invasion. Place, upgrade, and relocate elementally-charged towers strategically to destroy incoming robots. Watch as elements collide and combine to create explosive reactions!
Why similar: Tower Defense 49.3%, Strategy 19.6%, Top-Down 13.7%, Sci-fi 8%, 3D 6.4%
Dead TD is a tower defense game that was inspired by the old school original maps from WC3. It features a wide range of towers that upgrade into more powerful types and features a range of different abilities that can be used to create the ultimate defense.
Why similar: Tower Defense 58.6%, Strategy 24%, Top-Down 14.2%, Singleplayer 3.2%
No Crooks on Christmas is a tower defense game with a fun holiday theme. Defend your house against a relentless onslaught of crooks and save Christmas!
Why similar: Tower Defense 51.9%, Strategy 20.7%, Tactical 10.2%, 3D 8.1%, Atmospheric 7%
《图标塔防》是一款将子弹本身作为资源的自动化塔防游戏,你不仅需要建造防御塔,还需要使用建筑来运输,分流,甚至改造子弹来应对不同特性的敌人。每一条子弹产线的构筑都至关重要,你准备好迎接挑战了吗?
Why similar: Tower Defense 39.1%, Noir 21.1%, Strategy 19.5%, Real Time Tactics 6.9%, Top-Down 4.6%
An epic, challenging tower defense game with an emphasis on strategy and replayability. Summon gems of immense magical potency and harness their unique abilities against a seemingly endless horde of monsters. The archdemon seeks to swallow the world, and you must journey to stand against her.
Why similar: Tower Defense 72.9%, Strategy 14.6%, Top-Down 5.1%, Tactical 4.8%, Singleplayer 2.3%
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 63.7%, Strategy 23%, Sci-fi 10.5%, Singleplayer 2%, Indie 0.8%
M.A.C.E. Tower Defense 2, a classic tower defense game with unique towers and enemies
Why similar: Tower Defense 40%, Strategy 20.5%, Real Time Tactics 11.5%, Tactical 10.1%, Sci-fi 9.8%
The battle against Zotrix aliens is getting closer to your door step. Every space station in the network is in danger and Solar Division command needs your help to setup proper strategy for the defense. You are trusted this important task before whole network is taken to the edge of the unknown.
Why similar: Tower Defense 66.5%, Strategy 16.4%, Simulation 14.7%, Casual 1.8%, Indie 0.6%
Defend your planet from relentless stream of incoming asteroids in this fast-paced 2D tower defence game. Strategically place defensive buildings and upgrade your arsenal to protect your world from destruction!
Why similar: Tower Defense 45.3%, Strategy 18.1%, Sci-fi 11.3%, Tactical 9.5%, Top-Down 5.8%
Ancient demons summoned from the deep dark abyss, and brought ruin to Tiede, land of our home. You should know your towers, and use them wisely. Bring your sword, worrior, and your brave heart! Join me in this defence of the ancient...lands!
Why similar: Tower Defense 65.8%, Strategy 16.7%, Simulation 14.9%, Casual 1.9%, Indie 0.7%
An AI menace is headed to your motherboard! CAN YOU SURVIVE?! A short tower defense game, where you strategically place unique towers on a grid to stop relentless waves of enemies. Survive as long as possible, & climb leaderboards.
Why similar: Tower Defense 72.4%, Sci-fi 21.1%, Strategy 5%, Singleplayer 0.6%, Casual 0.6%
Rampart Defense is a classic tower defense game where you strategically deploy troops and vehicles to protect your colony from waves of enemies.
Why similar: Tower Defense 51.7%, Strategy 21.2%, Top-Down 13.3%, Sci-fi 11.7%, Singleplayer 1.9%
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 74.3%, Strategy 12.3%, Sci-fi 10.9%, Singleplayer 2.2%, Indie 0.3%
Gunpowder and Sorcery Squad-Based Tower Defense game made by just one person
Why similar: Tower Defense 45.9%, Strategy 23.4%, Sci-fi 14.9%, Tactical 13.6%, Singleplayer 1.9%
Asteria is under siege! Take up arms as the commander and find the perfect strategy in this hero filled tower defense game. Will you become a Defender of Asteria or fall short?
Why similar: Tower Defense 57%, Strategy 23.9%, Top-Down 15.6%, Singleplayer 3.2%, Indie 0.4%
A 3D tower defense where not only the towers matters but also the ground that alters the towers. Spiced up with randomized wave modifications, skilltree, unique towers and spells. Voila! You get Tiles and Towers TD!
Why similar: Tower Defense 53.4%, Strategy 21.9%, Tactical 13.2%, 3D 8.3%, Singleplayer 3.3%
Defend the clearance shelf. When the lights go out, the seasonal war begins. Lead your unsold Easter stock against waves of full-price enemies — before morning reveals the secret.
Why similar: Tower Defense 52.6%, Strategy 28.8%, Top-Down 15.2%, Singleplayer 3.4%
A 2D tower defense inspired by Taoist array arts. Design arrays before battle, enhance them with Magic Array Runes, guide monsters using Rune Blocks, empower puppets in overlapping areas, and activate the Ancient Forbidden Array—watch monsters burn within the heavenly scheme you’ve laid.
Why similar: Tower Defense 49.2%, Strategy 19.4%, Tactical 19%, Top-Down 8.4%, Singleplayer 2.9%
Lead an armored squad through the perils of this reversed tower defense action-strategy game!
Why similar: Tower Defense 48.1%, Strategy 29.4%, Sci-fi 14.6%, Top-Down 4.7%, Singleplayer 2.5%
The ultimate mash-up of Real-time Strategy and Tower Defense!
Why similar: Tower Defense 66.6%, Strategy 15.4%, Sci-fi 11%, Top-Down 4.8%, Singleplayer 1.8%
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 43.3%, Strategy 20.5%, Top-Down 12.8%, Sci-fi 11.3%, Tactical 8.4%
Forge your team from a variety of different creatures, each with their own strengths and abilities, and stop the never-ending invasion of Peeps!
Why similar: Tower Defense 53.2%, Strategy 19.2%, Tactical 12.8%, 3D 8.3%, Singleplayer 4%
Trample, stomp, wrestle, crush, chastise, tease or do whatever it takes to protect your statue from the males!
Why similar: Tower Defense 44.9%, Strategy 23.7%, Tactical 16.2%, 3D 8%, Resource Management 3.9%
Go on a journey through more then 30 levels traveling from prehistoric caves all the way to futuristic lunar bases. Along the way; upgrade, level up, and unlock cosmetics for your Hero. Adapt your strategy to whatever the level requires with more than 100 defense variations & Slay epic bosses!
Why similar: Tower Defense 45%, Strategy 16.1%, Sci-fi 11.5%, Top-Down 10.3%, Character Customization 8.2%
The time of war has come! Take the command of your kingdom and use your strategic skills to defend the siege against your fortifications. You can’t win only by defending your Kingdom. Develop your economics, assemble and upgrade your army to defeat the enemy forces in a real Battle of Kings.
Why similar: Tower Defense 49.7%, Strategy 25.8%, Simulation 23.5%, Indie 1%
Tower Defense x Roguelite! Recruit Kids with branching Elite paths, use powerful Items, and gain randomized strategic Perks to defend your Fort against the Brats! Various challenging environments, Brats, and Bosses await you and the Kooky Kids.
Why similar: Tower Defense 41.1%, Character Customization 14.3%, Strategy 12.5%, Top-Down 11.2%, Tactical 9.4%
The biggest installment of the award winning Sentinel sci-fi tower defense series now on PC!Take the fight to the alien homeworld and unleash a massive arsenal of weaponry. Get up close and personal on the battlefield in your power armor to execute devastating attacks and support your defenses! * An epic campaign across 20 levels.
Why similar: Tower Defense 77.6%, Strategy 15.3%, Sci-fi 6.6%, Indie 0.5%
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 69.1%, Strategy 13.1%, Sci-fi 8.1%, Simulation 3.8%, Top-Down 3%
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 44.4%, Strategy 22.4%, Top-Down 12.2%, Tactical 11.7%, Real Time Tactics 5.8%
Defend the solar system from fearsome aliens by sending satellites into orbit in revolutionary tower defense action!
Why similar: Tower Defense 74%, Strategy 14.6%, Sci-fi 9.9%, Casual 1.2%, Indie 0.4%
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 39.4%, Strategy 21.8%, Simulation 18.7%, Real Time Tactics 11.3%, 3D 6.4%
Fantasy Tower Defense is a challenging, fast-paced, and strategic Tower Defense game where you frantically build towers, cast spells, and upgrade to stop monsters from reaching your castle.
Why similar: Tower Defense 56.3%, Strategy 30.1%, 3D 10%, Singleplayer 3.7%
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 33.1%, Strategy 19.2%, Simulation 14.2%, Real Time Tactics 11.1%, Tactical 8.6%
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 41.2%, Strategy 21.2%, Top-Down 15.3%, Real Time Tactics 7.6%, Tactical 7.1%
Classic tower defense game where you upgrade your towers. Get proficient in fighting specific mobs and make your heroes stronger.
Why similar: Tower Defense 38.1%, Strategy 16%, Real Time Tactics 13.5%, Simulation 12.6%, Top-Down 10.4%
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 31.7%, Strategy 11.1%, Character Customization 11%, Real Time Tactics 9.7%, Sci-fi 9.5%
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 43.8%, Strategy 22.1%, Real Time Tactics 12.5%, Top-Down 10.4%, 3D 4.9%
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 45.3%, Strategy 17.8%, Sci-fi 14.8%, 3D 7.3%, Tactical 6.2%
Hyperscaling, fusions, strategies, synergies and more. A gothic style casual game with a tactic gameplay progressing to an ultimate battle of thousands of monsters.
Why similar: Tower Defense 47.1%, Strategy 17.2%, Top-Down 14.4%, Real Time Tactics 10.3%, Nonlinear 6.2%
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 41.4%, Strategy 20.9%, Sci-fi 14.9%, Tactical 8.2%, Top-Down 8%
Immerse yourself in an epic yet whimsical journey to defend the crystals from hordes of enemies, each more broken-down than the next, with a whole arsenal of tricks! Fight on the plains, mountains, swamps, deserts and many others by adapting your strategy.
Why similar: Tower Defense 58%, Strategy 24.1%, 3D 8.1%, Resource Management 5.9%, Singleplayer 4%
KillGem - New Blood is an epic tower defense game, featuring classical gameplay created in a modern engine. Build powerful defense systems and journey across the continent as you battle against the swarm.
Why similar: Tower Defense 50.6%, Tactical 17.9%, Top-Down 15.6%, Strategy 13.1%, Singleplayer 2.5%
Engineered to Purpose is a new tower defence game where you custom-design towers to defend your base, with millions of builds to explore and refine. Set in the far future, E2P's story of posthumanism, family, and change will open new worlds to explore and survive.
Why similar: Tower Defense 31%, Gun Customization 22.6% ★, Sci-fi 11.1%, Strategy 10%, Real Time Tactics 7.9%