
Castle Defense requires strategic thinking and tactical timing to defend your Castle from an onslaught of evil monsters.
60+ similar titles based on shared tags and player behavior. Themes include Strategy, Tower Defense, Singleplayer, Tactical.

Castle Defense requires strategic thinking and tactical timing to defend your Castle from an onslaught of evil monsters.

Countless Army
Become the villain and raise an army of undead in this real-time reverse tower defense strategy game. Send waves of monsters to battle and aid them with your evil magic until they break your enemies’ defenses. It’s time for you to rule over the continent with an iron fist as its Dark Lord!

GemCraft - Legacy Collection
Experience the original three GemCraft games in one collection. GemCraft 1, GemCraft 0, and GemCraft Labyrinth! Forge and combine magical gems, build deadly defenses, and survive relentless waves in one of the most beloved Flash-era tower defense series!
Become the villain and raise an army of undead in this real-time reverse tower defense strategy game. Send waves of monsters to battle and aid them with your evil magic until they break your enemies’ defenses. It’s time for you to rule over the continent with an iron fist as its Dark Lord!
Why similar: Tower Defense 28.8%, Tactical 14.2%, Medieval 13.5%, Difficult 9.9%, Strategy 9.2%
Experience the original three GemCraft games in one collection. GemCraft 1, GemCraft 0, and GemCraft Labyrinth! Forge and combine magical gems, build deadly defenses, and survive relentless waves in one of the most beloved Flash-era tower defense series!
Why similar: Tower Defense 26.4%, Difficult 15.8%, Tactical 12.8%, Strategy 8.7%, Medieval 7.7%
Enemies from this world and the dark one fight together in an “Unholy Alliance” to destroy your Extractors. Get ready to face and defeat enemy hordes using a vast arsenal of towers and special powers at your command in a unique tower defense game that will push your tactical skills to the limit!
Why similar: Tower Defense 37%, Strategy 13.7%, Dark Fantasy 11.2%, Difficult 9.5%, Military 8.5%
Command your elven army and defend mystical lands from sea serpents, evil sorcerers, and wave after wave of gnoll tribesman, all with the help of brand-spankin’ new towers, heroes, and spells to fend off every last baddie.
Why similar: Tower Defense 34.3%, Difficult 15%, Medieval 12.6%, Tactical 11.6%, Strategy 8.3%
The epic tower defense dark fantasy journey continues! Create powerful gems with various abilities and take on the battle against an endlessly flowing army of monsters, and face the growing darkness as you fight your way back towards the Spiritforge.
Why similar: Tower Defense 24.3%, Difficult 14.7%, Medieval 11.9%, Magic 10.1%, Tactical 9.8%
Get ready for an epic journey to defend your kingdom against hordes of orcs, trolls, evil wizards and other nasty fiends using a vast arsenal of towers and spells at your command!Fight on forests, mountains and wastelands, customizing your defensive strategy with different tower upgrades and specializations!
Why similar: Tower Defense 47.5%, Medieval 11%, Tactical 10.5%, Strategy 9.2%, Difficult 5.6%
Goblin Assault is an epic tower defense adventure where you stand against relentless hordes of goblins, monsters, and powerful bosses. Forge your strategy and prepare for a legendary fight!
Why similar: Tower Defense 30.2%, Difficult 17.2%, Medieval 15.6%, Demons 11.9%, Strategy 9.9%
Fight monsters with monsters! Heroes Battle Awakening is a top-down tower defense tactics game that puts you in command of cyclops knights, minotaurs, skull-topped guard towers and more as you fend off invaders.
Why similar: Tower Defense 40.8%, Tactical 17.5%, Strategy 16.5%, Demons 15.3%, Casual 4.7%
Fend off brutal waves of demonic hordes as a mobile hero amongst your stationary allies. As the city’s last line of defense, recruit followers, unlock upgrades, and synergize skills to hold the line against apocalyptic bosses. Remember: heroes can fall, but the gate must stand.
Why similar: Tower Defense 29.3%, Medieval 11.6%, Strategy 11.4%, Demons 8.5%, Magic 7.4%
Our game is a basic tower defense game where monsters are coming in through a portal are trying to destroy your tower! The only way to stop them is to send out your units, level up your tower and try to outwit them!
Why similar: Tower Defense 44.5%, Strategy 17.9%, Medieval 13.2%, Magic 10.6%, Fantasy 5.4%
Assemble legendary Spirits and defend against the endless hordes of Hell. A tower defense where you must shape the battlefield and create a maze using the three Hellements. Use Fire, Lightning, and Wind tiles to trap your enemies, or augment your defenses.
Why similar: Tower Defense 29.4%, Demons 13.3%, Difficult 12.8%, Tactical 11.2%, Medieval 10.1%
Strategic tower defense where you play a witch, place class-based towers, equip them with items that grant powerful abilities, combine them, create unique builds & deal ridiculous amounts of damage! Customize your builds with a deep stat system and giant skill tree!
Why similar: Tower Defense 34.2%, Tactical 12.6%, Difficult 11.6%, Loot 11.4%, Strategy 9.7%
Build your own towers by choosing and combining randomized upgrades. Would you like an anti-air tower that leaves its targets with a burning effect? Lightning attacks that deal Splash damage and bounce from enemy to enemy? There are over 25 million possible combinations!
Why similar: Tower Defense 30.7%, Difficult 18.6%, Medieval 12.3%, Tactical 10.6%, Strategy 8.8%
The Lich Queen needs your help to achieve her ultimate goal. Ready your troops and set your traps to hold the incoming kingdom soldiers and their allies in a 2D tower defense game!
Why similar: Tower Defense 39.1%, Strategy 14%, Difficult 11.9%, Medieval 9.7%, Tactical 9.3%
Perform a dark ritual with your own hands under relentless pressure. Draw runes in real time, defend the ritual from enemies trying to stop it, and upgrade your skills to unleash devastating magic. Summon ancient eldritch gods in this dark fantasy game driven by skill, strategy and constant tension.
Why similar: Tower Defense 20.9%, Difficult 12.1%, Demons 10.6%, Medieval 10.5%, Dark Fantasy 9.9%
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 40.1%, Tactical 16.1%, Difficult 11.7%, Dark Fantasy 10.5%, Strategy 10.2%
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 44.3%, Strategy 15.7%, Tactical 12.1%, Magic 11.1%, Casual 7.8%
Dive into 1BIT CASTLE: REMAKE, a strategic action-packed tower defense game. Choose heroes and perks to fight off evil monsters. Enjoy captivating pixel art while protecting your treasures in this addictive adventure with endless mode!
Why similar: Tower Defense 29.4%, Medieval 16%, Tactical 12.7%, Magic 10.7%, Demons 10.6%
Protect the portals and aid the good spirits in this 2D tower defense game. Stop demons from invading by activating turrets along the paths. As the forest protector, use your speed and strategy to keep peace across the realms, transforming into the legendary nine-tailed fox to fulfill your destiny.
Why similar: Tower Defense 32.3%, Tactical 14.8%, Difficult 14.3%, Strategy 10.4%, Magic 7.4%
Apeiron is a Tower Defense with an epic and exciting story. Defeat enemies and bosses with your own strategy. Upgrade your abilities and improve towers. Accept the challenge and adventure through many interesting levels and explore the wondrous game world.
Why similar: Tower Defense 31%, Difficult 14.6%, Demons 10.6%, Strategy 10.1%, Magic 8.7%
A turn-based roguelike game of strategic combat and sinister magic. Decimate the king’s loyalist forces, grow your powers, and discover the reimagined origin story of Baba Yaga, the most feared witch of Slavic folklore!
Why similar: Tower Defense 23.2%, Medieval 15.4%, Difficult 15.4%, Dark Fantasy 14.2%, Tactical 8.5%
Command your troops through an epic (mis)adventure as you defend exotic lands from dragons, man-eating plants, and ghastly denizens of the underworld -all with flashy new towers, levels, heroes, and more goodies to help you crush your foes in this Fantasy Action Tower Defense game!
Why similar: Tower Defense 42.9%, Difficult 15.9%, Magic 11.7%, Strategy 10.5%, Fantasy 5.4%
You are an Osteurgo, a lesser necromancer risen from the ashes of the Dark Lord. Raise your empire among desolate mountains, subjugate savage tribes, and spread corruption. Build, conquer, withstand enemy hordes, and claim the empty throne of evil.
Why similar: Tower Defense 34.3%, Dark Fantasy 15.7%, Strategy 11.5%, Medieval 7.5%, Magic 7.4%
A Fantasy based Tower Defence Game. Strategically construct different towers to direct monsters for most damage possible. Additional one shot skills might get you out of that sticky spot. Can you get on the global leaderboards ?
Why similar: Tower Defense 36.9%, Difficult 18.4%, Tactical 13.4%, Strategy 12%, Casual 5.4%
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 42.5%, Tactical 18.6%, Strategy 16.4%, Magic 12%, Fantasy 5.4%
The most addicting tower defense game, packed with monsters and tough defenders, all of which fit perfectly into the cartoonish environment. Prehistory is a prologue for the main story Age of Defense.
Why similar: Tower Defense 35.8%, Tactical 16.5%, Difficult 12.3%, Strategy 10.5%, Fantasy 6.7%
It's payback time! Lead your mighty dark army and make the Kingdom tremble with every step. Build powerful towers, choose your arsenal for destruction, and find the deadliest combination - train legendary heroes and lead them to victory!
Why similar: Tower Defense 33.2%, Difficult 16.3%, Medieval 14.2%, Demons 12.5%, Strategy 8.9%
FIREWALL: DEFEND THE GRID is a tower defense strategy game where you take the role of a hacker tasked with building cyberspace defense systems. Deploy hardware and software defenses and manage your compute resources to build a perfect firewall and protect your clients from the ever-growing chaos.
Why similar: Tower Defense 40.3%, Difficult 18.1%, Strategy 15.8%, Tactical 11.2%, Casual 6.2%
Ritual is a tower defense that deals with a sorcerer who must draw runes to invoke a goddess of death. During the summoning, villagers and believers will try to overthrow you. To achieve your goal, you must acquire improvements that enhance your rituals, or the defense of your fortress.
Why similar: Tower Defense 24.2%, Medieval 12.3%, Demons 12.2%, Dark Fantasy 11.1%, Magic 11.1%
A horde of stupid magical characters want to destroy the stronghold of good magic and become the only owners of magic! You are the only one who can try to stop them!
Why similar: Tower Defense 31.9%, Magic 17.9%, Medieval 17.6%, Strategy 16.2%, Tactical 7.9%
A minimalist 2D tower defense game with 3 towers, 6 maps, and 4 monster types. Simple, fun, and perfect for quick strategy sessions!
Why similar: Tower Defense 44.2%, Strategy 22.9%, Medieval 16.2%, Fantasy 7.7%, 2D 6.8%
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 47.7%, Strategy 19.2%, Magic 16.7%, Tactical 13.3%, Singleplayer 3.1%
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 35.8%, Medieval 18.8%, Strategy 18%, Magic 7.9%, Tactical 7%
Melt sand, shatter glass, and rust iron in this epic elemental tower defense game. Combine elemental effects to beat powerful materials. Use cunning strategy and wit to take on impossible challenges. Unlock new abilities and power as you embark on this difficult journey.
Why similar: Tower Defense 28.6%, Difficult 18.6%, Magic 13.7%, Tactical 12.2%, Strategy 9.4%
Build your own towers from modular units, adapt mid battle, and master custom defenses in this Build-a-Tower Defense.
Why similar: Tower Defense 34.4%, Difficult 20.1%, Magic 10.2%, Strategy 10%, Tactical 9.8%
In this tower defence game, you enter the world of Magonia and defend it against hordes of humans, orcs, ogres and other evil forces. Fight in different areas and adapt your strategy to the terrain and the enemy forces.
Why similar: Tower Defense 41.3%, Medieval 15.7%, Strategy 13.4%, Loot 6.8%, Demons 6.5%
Gunpowder and Sorcery Squad-Based Tower Defense game made by just one person
Why similar: Tower Defense 41.3%, Strategy 20.6%, Tactical 13.8%, War 8.1%, Fantasy 8%
Conjure towers and cast spells to slay hordes of enemies attempting to destroy your lone bastion
Why similar: Tower Defense 39.7%, Strategy 15.2%, Magic 12.5%, Dark Fantasy 8.6%, Medieval 8.2%
A tactical defense game where you build the battlefield itself. Lure enemies through your maze using traps, towers, and godly powers.
Why similar: Tower Defense 39.6%, Strategy 12.7%, Magic 11.1%, Action Roguelike 8.3%, Loot 8%
This is a challenging casual tower defense game.
Why similar: Tower Defense 49.1%, Difficult 22.8%, Strategy 12.1%, Casual 10%, 2D 4%
Pixel Fortress is a retro-inspired tower defense game packed with fast-paced real-time strategy. Build your defenses, command powerful abilities, and unleash devastating energy blasts to hold off relentless enemy waves. Can you master the battlefield?
Why similar: Tower Defense 35.2%, Tactical 18%, Medieval 13.5%, Strategy 11.5%, Fantasy 7.5%
Neon Defense is a minimalistic classical tower defense game with puzzle elements. Build towers to defend yourself against the attacking enemies. Can you beat every level on hard?
Why similar: Tower Defense 38.8%, Difficult 23.4%, Strategy 22.8%, Casual 11.5%, Singleplayer 3.4%
Portal Sentinels is a pixel-art, grid-based tower defense blending labyrinthine strategy and rich tower evolution. Play solo or with friends to thin out the army of the void before the horde reaches its destination.
Why similar: Tower Defense 36.5%, Strategy 17.2%, Dark Fantasy 12.3%, Medieval 11.3%, Magic 10.8%
Stand as the last guardian of the god-bound Runic Tower in a groundbreaking 3rd-person roguelike tower defense experience. Command evolving powers, confront relentless invading factions, and utilize strategic planning to overcome your foes!
Why similar: Tower Defense 31.5%, Strategy 15.3%, Dark Fantasy 10.4%, Medieval 10.2%, Tactical 8.2%
As a retired hero, lead and train your villagers to stand against relentless monster attacks. Assign roles, motivate your team, upgrade townsfolk, unlock powerful abilities, and adapt your strategy to outlast the next assault. TBH is a first-person fantasy action RPG with a strategy twist.
Why similar: Tower Defense 51.2%, Strategy 14.5%, Medieval 14.3%, Dark Fantasy 8.7%, Action 6.1%
Swallow’s Keep is a place of great prosperity; however, not all lands share in its wealth, and it has caught the eye of ambitious adversaries. Can you defend your home against the bandits?
Why similar: Tower Defense 36.8%, Tactical 15.8%, Strategy 12%, Difficult 11.5%, 2D 5.9%
An action-adventure survival game where every night could be your last. Explore a vast, dangerous world where survival depends on smart resource management, tactical combat, and what you choose to do before night falls.
Why similar: Tower Defense 27.7%, Medieval 17.3%, Loot 11.9%, Tactical 10.8%, Magic 9.9%
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 68%, Strategy 13.4%, Tactical 5.1%, Difficult 4.9%, Fantasy 2.7%
A real-time strategy, tower defense, and base-building game where physics based 2D blocks influence the course of grand battles and the construction of strategic fortresses.
Why similar: Tower Defense 37.8%, Tactical 15.4%, Medieval 13.6%, Strategy 12.7%, 2D 5.5%
Defend the land of the Pharaohs. Build towers, unleash powers, and hold the line in Ancient Egypt.
Why similar: Tower Defense 42.3%, Tactical 16.7%, Strategy 12.2%, Fantasy 6.9%, 2D 5.4%
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 38.9%, Difficult 19.1%, Tactical 14.9%, Strategy 14.6%, Medieval 10.9%
Legendary action with tower defense warfare! Become a castle guard in fantastic medieval era! Destroy the enemies with your wingman Centaur. Defend your castle!
Why similar: Tower Defense 35.3%, Medieval 18.5%, Tactical 16.8%, Strategy 5.7%, Fantasy 5.4%
A classic 3D Tower Defense fantasy game, made by a very small and dedicated team.
Why similar: Tower Defense 51.4%, Strategy 15.3%, Tactical 10.2%, Casual 7.5%, Action 6.3%
Design a tower maze and test your strategy against unique bosses and waves of enemies. TD Classic gives you complete control over not just the pathing of enemies through your tower placement but also the targeting behavior of your towers.
Why similar: Tower Defense 48.2%, Strategy 19.6%, Medieval 19.3%, Fantasy 5.2%, 2D 4.2%
A fast paced modern warfare tower defense game where you build, upgrade, and customize defenses to repel a relentless enemy invasion. Unlock powerful skills and abilities, craft advanced ammunition, and gather resources directly on the battlefield to outmaneuver and outlast the enemy.
Why similar: Tower Defense 38.4%, Military 22.6%, Strategy 18.7%, War 10.8%, Tactical 7.6%
Tower defense strategy in a hand-drawn atmospheric style. The action of which takes place in a fairy-tale world inhabited by animals. To survive, you will need to tactically consider the placement of units, control the hero, using his abilities to fight off the invading hordes of evil.
Why similar: Tower Defense 38.1%, Strategy 20.8%, Magic 11.5%, Casual 9.6%, Fantasy 8.2%
Merge, build, and defend in a brutal roguelike tower defense. Survive endless waves of monsters, evolve unique towers, outsmart epic bosses, and craft unstoppable builds in every run.
Why similar: Tower Defense 33.7%, Medieval 16.4%, Tactical 15.9%, Strategy 10.8%, Fantasy 7%
Dicey Towers is a unique tower defense hybrid that includes a variety of unique enemies, towers, and bosses. Upgrade, combine and, manage your towers to defeat countless waves of enemies as they attempt to breach your kingdom.
Why similar: Tower Defense 35%, Difficult 17.2%, Medieval 12.1%, Tactical 10.2%, Strategy 10.1%
While a formidable evil emerges, an unexpected alliance is taking shape! It will take the finest warriors of Linirea and the relentless Dark Army to stop it. Beware! Though they may journey side by side the ever-changing winds of fate could swiftly alter their course.
Why similar: Tower Defense 53.2%, Strategy 17.5%, Medieval 9.5%, Magic 5.4%, Fantasy 5%
Peasant TD is a fantasy tower defence game with card game elements. Towers are built and upgraded through cards that are bought in the shop or crafted from the forge. This means every game will be unique, you will not be able to rely on a specific build order or strategy. Adaptation is necessary.
Why similar: Tower Defense 40.5%, Tactical 17.9%, Strategy 15.8%, Medieval 14.7%, Fantasy 5.1%