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Games Like Endless Castle: Under Siege

60+ similar titles based on shared tags and player behavior. Themes include Tower Defense, Singleplayer, Auto Battler, Casual.

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  1. #1 Idle Spin&Win Tower Defense
    97% matchNo user reviews2026
    Dev: Creative idle studio
    Windows

    Idle Spin&Win combines strategic tower defense, satisfying idle progression, and thrilling luck-based mechanics. Build an impenetrable fortress, unlock devastating abilities, and spin the wheel of fortune to supercharge your defenses against endless enemy waves!

    Why similar: Tower Defense 31.7%, Auto Battler 26.8%, Idler 22.8%, Strategy 6.9%, Resource Management 6.9%

  2. #2 Elemental Master: Heroes Assemble
    96% matchNo user reviews
    Dev: DeepDream Studio
    Windows

    A deep idle strategy game with extensive progression: heroes, promotions, arcane arts, gear, spirit beasts, talents, and runes. Create thousands of unique builds to form powerful teams! Experience adventure, team battles, and Demon Tide defense, and win easily with smart strategies!

    Why similar: Idler 22.9%, Loot 18.6%, Tower Defense 18.5%, Strategy 12%, Auto Battler 9.2%

  3. #3 idle:Doodle Realm
    96% matchNo user reviews
    Dev: JIANBING
    Windows

    Idle: Doodle Realm is an idle loot-based game with equipment and relic systems. Combat plays out like a castle war, where your units automatically fight and push forward. All you need to focus on are unit synergy effects, collecting relics and equipment, and upgrading talents and buildings.

    Why similar: Tower Defense 26.6%, Idler 23.6%, Auto Battler 20.2%, Loot 16.7%, Strategy 7.4%

  4. #4 Mercenary Battlegrounds
    95% matchNo user reviews
    Dev: Saltant Studio
    Windows

    Mercenary Battlegrounds is an exciting strategy game where you have to fight and defend your base against waves of enemy forces. Immerse yourself in a fantasy world and enjoy a unique combination of tower defense, auto-battler and strategic game mechanics.

    Why similar: Auto Battler 28.9%, Tower Defense 28.1%, Idler 26.7%, Strategy 8.7%, Casual 5.2%

  5. #5 Tiny Battles
    94% matchPositive87% of 47 reviews2024
    Dev: MyDreamForever
    Windows

    Tiny Battles is a tactical action auto-battler where battles take place automatically in the arena.

    Why similar: Auto Battler 33.2%, Tower Defense 30.6%, Strategy 10.9%, Medieval 7%, Fantasy 5.5%

  6. #6 Hang up Street
    94% matchMixed64% of 53 reviews2025
    Dev: FoxGame
    Windows

    Build your vocational academy to turn adventurers into your idle heroes, liven up the deserted streets, and advance the levels together!

    Why similar: Idler 22%, Auto Battler 18.9%, Loot 18.5%, Tower Defense 18.2%, Pixel Graphics 4.7%

  7. #7 GreySpire
    93% match2 user reviews100% of 2 reviews2025
    Dev: BluSheep
    Windows · Linux

    Build random towers, combine them into powerful defenses, farm gold, go fishing for jackpots, and level up to get stronger every run in GreySpire!

    Why similar: Auto Battler 31.9%, Tower Defense 30.7%, Strategy 13.8%, Casual 10.1%, Fantasy 4.4%

  8. #8 Empire of Zombies
    92% match4 user reviews75% of 4 reviews2026
    Dev: Tomasz Letki
    Windows

    Raise an undead army and conquer the realms of the living! Empire of Zombies is a dark fantasy idle clicker where you recruit skeletons, zombies, and ghosts, build your necropolis, and crush human, elven, and barbarian kingdoms one by one.

    Why similar: Tower Defense 30.7%, Idler 27.1%, Auto Battler 19.9%, Strategy 11%, Fantasy 3.5%

  9. #9 Crown Siege
    91% matchNo user reviews
    Dev: JOrbits Games
    Windows · Mac · Linux

    A short incremental tower defense game centered around growing and strengthening armies, to defend your kingdom and stop endless waves of enemies.

    Why similar: Auto Battler 24.7%, Tower Defense 24.2%, Idler 20.7%, Medieval 9%, Strategy 6.4%

  10. #10 Myriad Realms: Ascend to Sage
    90% matchPositive93% of 29 reviews2026
    Dev: BiranranPub: ForDream
    Windows

    An idle strategy RPG inspired by xianxia. Rise from Qi Refining to Sage, recruit heroes, master divine arts, forge gear, and conquer secret realms and endless waves. Rebirth for permanent bonuses and push your power beyond every limit.

    Why similar: Tower Defense 33.9%, Idler 22.5%, Loot 13.8%, Casual 10.3%, 2D Platformer 4.3%

  11. #11 Undeads vs Humans
    91% match5 user reviews86% of 6 reviews2022
    Dev: Wa TranPub: Unknown Magic
    Windows

    A Tower Defense with deck of cards. Unlock cards and build your own deck to beat the levels. Easy to play but hard to master.

    Why similar: Tower Defense 30.4%, Auto Battler 30.1%, Strategy 8.8%, Medieval 8.3%, Casual 6.4%

  12. #12 Idle Hero TD - Tower Defense
    89% matchVery Positive83% of 1,068 reviews2024
    Dev: Swell Games LLC
    Windows · Mac
    Median: 3.4 hrsMean: 169.0 hrs≥1hr: 72%

    Endless idle tower defense game full of deep strategy and combat mechanics. Unlock and upgrade dozens of epic fantasy heroes to defeat an infinite swarm of enemy monsters. Strategize hero positions, synergies, and skills for an effective defense, then sit back and let the auto-battler do its thing!

    Why similar: Tower Defense 27.6%, Auto Battler 25%, Idler 21.2%, Strategy 7.2%, Resource Management 5.9%

  13. #13 Zero Stress King: Idle Defense
    89% matchVery Positive89% of 209 reviews2026
    Dev: Pauloondra
    Windows

    A short relaxing incremental game disguised as a tower defense, but enemies can’t reach your walls. Thanks to lava.

    Why similar: Idler 26.4%, Tower Defense 23.6%, Auto Battler 17.7%, Strategy 11%, Casual 7.9%

  14. #14 Lazy Lord: War on the Desktop
    87% matchPositive94% of 16 reviews2025
    Dev: Restart Studio
    Windows

    You're the Laziest Evil Lord ever—too lazy to fight, yet destined to rule the world. Send minions (automatically), upgrade them with gold and treasures, and conquer 1,000 areas without leaving the throne. Evil has never been this effortless.

    Why similar: Tower Defense 39.2%, Idler 28.4%, Casual 11.1%, Medieval 7.7%, Resource Management 5.5%

  15. #15 Broken Banners
    88% matchVery Positive81% of 59 reviews2022
    Dev: Eirik Wiklund
    Windows

    Defend your kingdom from evil monsters in this combination of Tower Defense and Auto Battle. Place your defenses and stop the forces of evil from reaching your kingdom.

    Why similar: Tower Defense 38.7%, Auto Battler 29.6%, Strategy 12.6%, Building 8.3%, Fantasy 5.9%

  16. #16 Formation Builder Idle
    86% matchNo user reviews2026
    Dev: Idle Games LLC
    Windows · Mac · Linux

    Build the ultimate hero formation on a tactical grid, then watch your team crush endless waves. Level heroes, collect mounts, farm pets, dig into mines, and prestige across 17+ worlds, all while you're away. A deeply layered idle RPG with real strategic depth.

    Why similar: Idler 27.4%, Auto Battler 26.2%, Tower Defense 13.6%, Strategy 11%, Casual 5.6%

  17. #17 Covenant Tower
    86% matchNo user reviews2026
    Dev: Pixel Crate Games
    Windows

    The Covenant Tower is an incremental tower defense game where you build your tower higher during the day, defend it with archers and catapults at night, and prevent world-ending catastrophes by fulfilling an ancient prophecy. Strategic. Satisfying. Surprisingly addictive...

    Why similar: Auto Battler 27.6%, Tower Defense 26.9%, Idler 25.2%, Medieval 9%, Strategy 3.9%

  18. #18 Little TD
    85% matchNo user reviews
    Dev: Hightea Studio
    Windows

    Escape from daily life and immerse yourself in the exciting tower defense strategy game 'Little TD'. Experience a unique gaming style in 'Little Tower Defense', with various fresh game modes that are different from traditional tower defense.

    Why similar: Tower Defense 42.9%, Idler 17.1%, Strategy 14.5%, Casual 9.3%, Building 5.4%

  19. #19 Polygon War
    84% match1 user reviews100% of 1 reviews2025
    Dev: MVP Games
    Windows

    In this roguelike, idle and strategy game, you're in the middle of a polygonal war, with a turret and countless enemies. Are you ready to overcome the challenges ahead?

    Why similar: Auto Battler 32%, Tower Defense 30%, Idler 22.1%, Strategy 10.4%, Combat 2.2%

  20. #20 Desktop Defender
    82% matchVery Positive93% of 1,632 reviews2025
    Dev: Conradical GamesPub: Poysky Productions
    Windows
    Median: 26.0 hrsMean: 52.0 hrs≥1hr: 88%

    An idle auto-battler that sits in the corner of your screen while you do other things.

    Why similar: Idler 29.8%, Auto Battler 29%, Tower Defense 28.4%, Casual 6%, Pixel Graphics 4.5%

  21. #21 Pixel Empires
    84% matchNo user reviews2026
    Dev: Ahmet Babagil
    Windows

    Experience classic RTS gameplay with pixel art style! Gather resources, build armies, master strategic formations, and crush your enemies. Up to 16-player multiplayer battles, epic campaign, and challenging AI await!

    Why similar: Tower Defense 26.9%, Idler 22.2%, Auto Battler 21.9%, Resource Management 7.3%, Strategy 6.8%

  22. #22 Emoji Random Defence
    83% match1 user reviews100% of 1 reviews2025
    Dev: jewelry
    Windows · Mac

    its very hard. You can check the statistics by pressing the ESC key or after the game over. Analyze why you couldn't stop the enemies and try to clear it next time If too difficult, collect coins and purchase permanent upgrades from the shop

    Why similar: Auto Battler 35.5%, Tower Defense 33.8%, Strategy 15.8%, Casual 11.7%, 2D 1.7%

  23. #23 Galaxy Pirates
    82% matchNo user reviews
    Dev: Chubby Horse Games
    Windows

    An idle auto-battler that fights epic battles in the corner of your screen while you conquer your day. Complete missions, build your hero squad, unlock new weapons, skills and upgrades. Assemble your own pirate crew and set sail among the stars!

    Why similar: Tower Defense 29%, Auto Battler 28.9%, Idler 25.5%, Strategy 9.1%, Casual 4.6%

  24. #24 Idle Monster TD
    81% matchMostly Positive72% of 841 reviews2021
    Dev: Swell Games LLC
    Windows · Mac
    Median: 6.6 hrsMean: 164.6 hrs≥1hr: 74%

    An endless Tower Defense game of epic Monsters vs evil War Machines. Unlock and upgrade tons of unique elemental Monsters (Water, Air, Earth, and Fire) to defend your home from an infinite swarm of robots. Strategize the most effective placement of Monsters to synergize their elemental abilities.

    Why similar: Tower Defense 34%, Idler 25.8%, Strategy 9%, Resource Management 7.4%, Fantasy 6%

  25. #25 Castle Push
    81% match2 user reviews100% of 2 reviews2023
    Dev: Blue Cat studio
    Windows

    Castle Push is a fantasy and strategy game developed by Blue Cat Studio. Play the classic browser strategy. Complete all levels and unlock all possible achievements in this game. And listen to the best music from Haindale.

    Why similar: Auto Battler 33%, Tower Defense 32%, Strategy 9.3%, Medieval 7.9%, Casual 6.6%

  26. #26 Defender of Grids
    80% matchNo user reviews
    Dev: Wooden Pillow GamesPub: Nue Games
    Windows

    A pixel-perfect Tower Defense game where defeat is just the beginning. Master the rock-paper-scissors balance of combat, speed up the action with 4x speed, and use your hard-earned XP to unlock powerful permanent skills. Can you hold the line?

    Why similar: Tower Defense 32.1%, Auto Battler 26.9%, Idler 23.5%, Strategy 9.2%, Casual 4.8%

  27. #27 Don’t Idle: TD
    79% matchNo user reviews
    Dev: Lil knee Games
    Windows

    This is an idle auto-battle tower defense game that runs quietly in the corner of the screen while you are busy with other things.

    Why similar: Tower Defense 46.8%, Idler 31.7%, Pixel Graphics 6.4%, Strategy 4.9%, Combat 3.9%

  28. #28 Drop Guardians
    79% matchNo user reviews
    Dev: Chase of Bass, Inc.
    Windows

    Do you have what it takes to manage your coins to strategically place and upgrade pegs to defend against the falling balls.

    Why similar: Tower Defense 40.4%, Idler 26.1%, Strategy 12.1%, Resource Management 7.5%, Casual 6.3%

  29. #29 希望之城 The City Of Hope
    78% matchMixed67% of 130 reviews2024
    Dev: 家里蹲工作室
    Windows

    A light city-building game that combines elements of card games and tower defense, where players must survive daily enemy attacks and gradually grow their strength to ultimately defeat powerful invaders.

    Why similar: Tower Defense 26.4%, Idler 23.5%, Auto Battler 19.9%, Medieval 8%, Strategy 7.9%

  30. #30 The Wall Mustn't Fall
    78% matchVery Positive91% of 68 reviews2023
    Dev: CapsuleCollapse
    Windows

    You will select a hero with unique abilities. As you defend your castle, you will earn money and loot. This will allow you to upgrade your castle and recruit AI controlled allies to synergize with and equip them with weapons and relics. You may also choose to allow the AI to control your hero.

    Why similar: Tower Defense 29.7%, Auto Battler 27.2%, Idler 16.9%, Loot 15.1%, Strategy 7%

  31. #31 NodalBastion
    77% matchNo user reviews2026
    Dev: BNStudio
    Windows · Linux

    Defend the last AI core in a minimalist incremental game as you manage resources, upgrade your network, and unleash powerful skills. Resist humanity’s onslaught!

    Why similar: Tower Defense 43.9%, Idler 30.8%, Resource Management 11.7%, Strategy 9.3%, Casual 2.2%

  32. #32 A Dungeon Is You
    77% matchNo user reviews2026
    Dev: Olaf Es SaadiPub: Olaf Es Saadi Games
    Windows

    You died and got reincarnated as a dungeon core! Grow your dungeon, summon minions to defend you and conquer the world. A Dungeon Is You is a modern incremental dungeon management game. With a sprinkle of tower defense and rpg.

    Why similar: Tower Defense 26.2%, Auto Battler 24.2%, Idler 21.6%, Resource Management 6.5%, Building 6%

  33. #33 Idle Monster TD: Evolved
    76% matchMostly Positive77% of 1,226 reviews2022
    Dev: Monstermob USA, INC
    Windows · Mac
    Median: 3.7 hrsMean: 130.2 hrs≥1hr: 66%

    Evolve epic monsters and crush puny humans in this endless idle tower defense game! Unlock, upgrade, and evolve over 150 unique monsters and pets, ranging from cute and colorful flower creatures to epic fire breathing dragons, to assemble the ultimate team against the endless waves of enemies.

    Why similar: Tower Defense 28.9%, Auto Battler 24.6%, Idler 23.2%, Strategy 6.9%, Fantasy 4.5%

  34. #34 Open The Gate: Just A Little
    76% matchNo user reviews
    Dev: Abubu DancePub: The Bueno Interactive
    Windows · Mac

    PvE Tower Defense where you control enemy's gate. Each time you lift the gate more enemies are coming. You can either choose to fight slowly to earn gold, buy soldiers and prepare your defense or choose risk and lift the gate all the way up to face all enemies at the same time!

    Why similar: Tower Defense 30.9%, Idler 20%, Auto Battler 19.1%, Medieval 9.6%, Strategy 6.2%

  35. #35 Desktop Siege
    75% matchMixed66% of 37 reviews2025
    Dev: PaniCer
    Windows

    《Desktop Siege》 is a free tower defense idle game you can play on your desktop. Upgrade your base and defense towers to protect against endless waves of monsters!

    Why similar: Tower Defense 43%, Idler 39.2%, Casual 11.1%, Pixel Graphics 6.7%

  36. #36 Bottom Squad
    75% matchNo user reviews
    Dev: Family Devs
    Windows

    An idle defense game at the bottom of your screen. Build your squad, upgrade your base, and hold the line against relentless alien waves while you work or browse.

    Why similar: Tower Defense 30.4%, Idler 28.3%, Auto Battler 27.4%, Casual 5.8%, Strategy 5.6%

  37. #37 Idle Stellar
    74% matchMixed61% of 44 reviews2024
    Dev: Noody Games
    Windows

    Embark on an epic adventure through the cosmos in Idle Stellar. Gather, craft and upgrade your spaceship to destroy your enemies. Play actively or relax into idle progression as you experience the feature-rich journey ahead!

    Why similar: Auto Battler 30.6%, Idler 26.2%, Loot 17%, Resource Management 5.9%, Fantasy 5.5%

  38. #38 Treasure Hunter: Idle RPG
    73% match7 user reviews29% of 7 reviews2026
    Dev: Random Looters
    Windows

    Let your team kill the bad guys and gather all sorts of loot for you to play with

    Why similar: Auto Battler 36.3%, Idler 27.9%, Loot 20%, RPG 7.9%, Strategy 5.3%

  39. #39 Arrow Spire: Tower Defense
    73% matchNo user reviews64% of 50 reviews2025
    Dev: Kettle Studio
    Windows · Mac · Linux

    A roguelite tower defense where every defeat makes you stronger. Spend gold on powerful temporary boosts, invest gems in permanent upgrades, and push your tower higher each attempt as you fight to survive all 100 waves.

    Why similar: Tower Defense 35.4%, Idler 33.7%, Strategy 7.9%, Casual 6.5%, Medieval 5.3%

  40. #40 Tiny Towers
    74% matchNo user reviews
    Dev: RKO Software
    Windows

    An active-incremental game with tower defense elements. Strategically place towers to defend your tiny fortress from hordes of tiny mobs, acquire gold & resources by defeating enemies, and unlock new upgrades & abilities in the skill tree to strengthen your goblin stronghold.

    Why similar: Tower Defense 43.1%, Idler 27.5%, Strategy 11%, Casual 8.8%, Fantasy 4%

  41. #41 Bandit Simulator TD
    73% matchNo user reviews
    Dev: 游戏养家工作室
    Windows

    This is a "Tower Defense + Base Building" game where you establish a bandit stronghold from scratch. With "Tower defense" at its core, you can ambush travelers, develop characters through profession and equipment systems, and expand your stronghold by researching, forging, and constructing!

    Why similar: Loot 27.1%, Idler 27%, Strategy 13.5%, Casual 7.3%, Tower Defense 6.9%

  42. #42 Heros and Monsters: Idle Incremental
    72% matchMixed69% of 118 reviews2023
    Dev: Mathew Perry
    Windows

    Auto Battler, Incremental, Idle Game

    Why similar: Auto Battler 35%, Idler 30.7%, Medieval 12.3%, Strategy 8.2%, Fantasy 4.9%

  43. #43 Portal Defense
    72% matchPositive82% of 22 reviews2022
    Dev: Stealthy Wolves Studios LLC
    Windows

    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 53.1%, Strategy 18.2%, Medieval 9.3%, Pixel Graphics 7.5%, Fantasy 5.9%

  44. #44 Corner Quest
    71% matchNo user reviews
    Dev: EbonForgeGames
    Windows

    An idle auto-battler that sits in the corner of your screen while you do other things.

    Why similar: Tower Defense 28.1%, Auto Battler 27.8%, Idler 24.7%, Strategy 7.6%, Medieval 2.9%

  45. #45 Path of Idle: Old Gods Rising
    71% matchNo user reviews2026
    Dev: Small Mill
    Windows · Mac

    An idle AFK game featuring auto-battle, loot farming, chest opening, party combat, Lovecraftian horror, town building, gear crafting, runewords, stages, towers, dimensions & seasonal modes. Serve the Old Gods, build your town, corrupt the Godsworn, fight for their resurrection!

    Why similar: Idler 32.5%, Loot 22.2%, Auto Battler 12.2%, Strategy 12.1%, Casual 6.7%

  46. #46 Isle of Titans
    71% matchNo user reviews2026
    Dev: Noody Games
    Windows

    Isle of Titans is an idle tower defense game where you defend a small kingdom against giant invaders. Shape your build with long-term progression between runs, and adapt on the fly during each run to hold back endless waves of Titans.

    Why similar: Tower Defense 29.1%, Auto Battler 25.6%, Idler 23.6%, Strategy 8%, Medieval 4.2%

  47. #47 Slot Machine Defence
    69% match1 user reviews100% of 1 reviews2025
    Dev: jewelint
    Windows · Mac · Linux

    Spawn weapons, strengthen them, and swipe waves of enemies. Spin the slot machine to earn rewards and become stronger.

    Why similar: Auto Battler 35.8%, Tower Defense 34.3%, Strategy 15.6%, Casual 11.5%, 2D 1.4%

  48. #48 Land of the Mage Lords
    70% matchVery Positive89% of 75 reviews2023
    Dev: Rafe's Games
    Windows

    Summon troops and use magic to defeat mage lords and other foes while surviving attacks from their followers. Learn new spells and recruit troops with unique powers. Venture across the land, battling ever stronger enemies until reaching the evil Mage King.

    Why similar: Tower Defense 36.5%, Auto Battler 28.4%, Strategy 11%, Casual 5.4%, Medieval 4.8%

  49. #49 Grow Defense
    70% matchMostly Positive77% of 610 reviews2021
    Dev: SoftCowGames
    Windows · Mac
    Median: 6.0 hrsMean: 74.7 hrs≥1hr: 77%

    Upgrade your Castle and Unlock new tiers of Skills and Weapons to Defend vs Monsters and Bosses across VARIOUS ZONES! Find Rare ITEMS dropped from monsters and bosses and upgrade them to their full potential! Defeat RAID Mega-Bosses to find LEGENDARY items!

    Why similar: Tower Defense 43%, Idler 35.6%, Casual 8.6%, Strategy 7%, Pixel Graphics 3.2%

  50. #50 Idle TD: Heroes vs Zombies
    70% matchMostly Positive74% of 165 reviews2022
    Dev: Swell Games LLC
    Windows · Mac
    Median: 3.1 hrsMean: 28.9 hrs≥1hr: 67%

    An endless Tower Defense game of epic heroes vs evil zombies. Unlock and upgrade countless Heroes, artifacts, and technologies to defend against the infinite zombie swarms. Strategize the most effective placement of Heroes to synergize their skills and abilities.

    Why similar: Tower Defense 27.2%, Auto Battler 24.7%, Idler 20.9%, Resource Management 7.5%, Strategy 7%

  51. #51 TeeDee
    68% matchMostly Positive79% of 24 reviews2025
    Dev: NIHmpact
    Windows

    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 48.5%, Strategy 21.3%, Medieval 10.5%, Fantasy 7.7%, Pixel Graphics 7.6%

  52. #52 Goblin Buster: Incremental Tower Defense
    67% matchMostly Positive77% of 146 reviews2025
    Dev: Natrix
    Windows

    Goblin Buster is an incremental tower defense game with deep upgrade mechanics. Obliterate annoying goblins, collect materials, discover powerful relics, invest in unique buildings and spend your resources to upgrade towers and magical spells with a massive skill tree!

    Why similar: Tower Defense 30.7%, Idler 24.8%, Strategy 8.8%, Resource Management 8.7%, Medieval 8.6%

  53. #53 Crystal Guard TD
    69% match2 user reviews0% of 2 reviews2024
    Dev: Shouji's Realm
    Windows

    Stop hordes of robots from destroying your Crystal shrine in this random shop tower defense game! Instead of choosing exactly what tower to place down, the random shop gives you 3 random towers to choose from. Set up your defenses and see if you can survive!

    Why similar: Tower Defense 37.7%, Auto Battler 33.7%, Strategy 15.8%, Resource Management 5.5%, Pixel Graphics 4.6%

  54. #54 Recursive
    67% matchPositive88% of 26 reviews2026
    Dev: Xero
    Windows · Linux

    Every time you think you understand it, it unlocks something else, adding new layers, mechanics, and ways to grow.

    Why similar: Tower Defense 36.5%, Idler 30.6%, Strategy 10.9%, Casual 7%, Resource Management 4.9%

  55. #55 The Wildwatch
    68% matchNo user reviews
    Dev: Kettle Studios
    Windows

    Experience a first-person tower defense: stand beside a self-firing tower, earn Gold to upgrade Attack, Defense, and Support stats, and survive waves of Fire Piglets and more. Enjoy vibrant visuals and engaging gameplay.

    Why similar: Tower Defense 39.9%, Idler 27%, Strategy 16.6%, Resource Management 5.4%, Fantasy 4%

  56. #56 Endless Escalation
    68% matchNo user reviews
    Dev: GFX47
    Windows

    Endless Escalation is a strategy-driven incremental game where you must carefully choose your army composition, buildings and upgrades to overcome ever-evolving enemy forces.

    Why similar: Idler 26.6%, Auto Battler 26.5%, Tower Defense 24.1%, Strategy 7.5%, Casual 6.8%

  57. #57 Summoner Apprentice
    69% match8 user reviews75% of 8 reviews2020
    Dev: Unknown MagicPub: Wa Tran
    Windows · Mac

    Delve into the mystical art of summoning alongside Feylin, the last of the Ancients. Begin your journey as her new apprentice and learn how to summon minions, outwit your enemies, collect relics to enhance your powers and overcome the dreadful obstacles set in your path.

    Why similar: Auto Battler 32%, Tower Defense 28%, Strategy 10.5%, Building 9.7%, Casual 6.1%

  58. #58 Kingdom of Foundry
    67% matchNo user reviews2026
    Dev: KaCat Studio
    Windows

    Kingdom of Foundry is a pixel-style tower defense meat pigeon game. In the game, you will play as the king of a city-state, and ensure the safety and stability of the city-state by dealing with different events in each battle and recruiting different types of soldiers to repel waves of demons.

    Why similar: Tower Defense 49.1%, Strategy 16.8%, Medieval 12.9%, Pixel Graphics 7.3%, Combat 4.1%

  59. #59 I'm a Human
    67% matchNo user reviews2026
    Dev: PMF Top Joy Games
    Windows

    Forget defense. This is Reverse Tower Defense where you are the threat. Lead the AI, build robots and destroy human bases.Your goal is invasion. Your weapon is the swarm.

    Why similar: Tower Defense 42.3%, Auto Battler 37.3%, Strategy 9.7%, Building 7.4%, Combat 2.6%

  60. #60 Bug.Splash TD : Debugged
    66% match3 user reviews100% of 3 reviews2025
    Dev: UglyBudgetPrettyProduct
    Windows

    Bug.Splash TD : Debugged is a strategic tower defense experience set in a fantasy universe. Defend your gate against hordes of bugs using a variety of towers and the environment. The game features 24 towers, 15+ enemy types, dedicated idle farming maps, custom diffculty options and tons of upgrades

    Why similar: Tower Defense 46.2%, Idler 31.6%, Strategy 11.3%, Pixel Graphics 4.1%, Fantasy 3.8%

Endless Castle: Under Siege cover art

Games Like Endless Castle: Under Siege

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