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Games Like Endless Castle: Under Siege

60+ similar titles based on shared tags and player behavior. Themes include Singleplayer, Tower Defense, Casual, 2D.

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  1. #1 Idle Spin&Win Tower Defense
    97% match8 user reviews75% of 8 reviews2026
    Dev: Creative idle studio
    Windows

    Idle Spin&Win is a tower defense Idler with luck based mechanics build in. As you clime the enemy waves you unlock new towers and upgrade their power and earn more XP . Collect bonus spins to test your luck. Upgrade the skill tree and research to improve your power and boost your gold.

    Why similar: Tower Defense 33.1%, Auto Battler 26.3%, Idler 21.7%, Strategy 7.2%, Resource Management 6.6%

  2. #2 Last Watchtower
    96% matchNo user reviews2026
    Dev: nija games
    Windows

    Last Watchtower is a short incremental defense game. Gather resources, pick upgrades, and unlock powerful tower abilities. Experiment with diverse builds, withstand relentless monster waves, and grow stronger with every run through permanent meta-progression.

    Why similar: Auto Battler 27.5%, Tower Defense 27.2%, Idler 18.5%, Strategy 7.3%, Medieval 5.4%

  3. #3 Desktop Wizard
    96% matchNo user reviews
    Dev: Wizard Guild
    Windows

    An idle tower defense game that sits at the bottom of your screen

    Why similar: Tower Defense 29.5%, Auto Battler 28.6%, Idler 19.4%, Casual 9%, Fantasy 3.7%

  4. #4 Legend of Defenders
    95% matchNo user reviews2026
    Dev: KaiPlay StudioPub: Gamersky Games
    Windows

    A thrilling idle tower defense game with automated battles and endless growth! Build your defenses, deploy heroes, and watch your fortress evolve from a humble outpost into an unstoppable stronghold—even while you’re away.

    Why similar: Tower Defense 28%, Idler 19.2%, Auto Battler 16.7%, Medieval 8%, Strategy 7.5%

  5. #5 CHEST UP DEFENSE
    94% matchNo user reviews
    Dev: K-Cookie Games
    Windows

    Upgrade your chest and summon random troops in a single-player defense game spanning 100 waves. Each chest upgrade increases your chance of summoning legendary troops. Upgrade strategically and defend the kingdom from the demon army!

    Why similar: Tower Defense 37.5%, Auto Battler 30.1%, Strategy 11.6%, Resource Management 6.3%, Fantasy 4.9%

  6. #6 Bandit Simulator TD
    94% matchNo user reviews2026
    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: Tower Defense 35.6%, Loot 19.7%, Idler 18.4%, Strategy 8.6%, Casual 5.6%

  7. #7 Desktop Arrow Defense
    93% matchNo user reviews2026
    Dev: Chris Yu
    Windows

    "Desktop Arrow Defense" is an idle tower defense mini-game that runs on your desktop. It lets you work while watching your tiny archer defend against incoming enemies. Upgrade your character's attributes, collect and enhance equipment, unlock skill combinations, and create your legendary archer!

    Why similar: Tower Defense 28.3%, Idler 22.9%, Loot 20.1%, Medieval 8.6%, Casual 6.1%

  8. #8 Tiny Battles
    92% matchPositive84% of 50 reviews2024
    Dev: MyDreamForever
    Windows

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

    Why similar: Auto Battler 31.8%, Tower Defense 31.3%, Strategy 10.9%, Medieval 7.2%, Fantasy 5.7%

  9. #9 idle:Doodle Realm
    91% matchNo user reviews78% of 36 reviews2026
    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 27.7%, Idler 22.4%, Auto Battler 19.7%, Loot 16.8%, Strategy 7.6%

  10. #10 GreySpire
    91% 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: Tower Defense 31.3%, Auto Battler 30.6%, Strategy 13.9%, Casual 10.4%, Fantasy 4.6%

  11. #11 Mercenary Battlegrounds
    90% 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: Tower Defense 29.3%, Auto Battler 28.3%, Idler 25.4%, Strategy 9%, Casual 5.4%

  12. #12 Chippy Beaver
    89% match6 user reviews83% of 6 reviews2026
    Dev: Luv Island
    Windows

    Chippy Beaver​ is an engaging incremental idle game where you lead your beaver colony to chop down fantastical trees in the sky, harvest various relics, construct diverse buildings, and use money to upgrade your beavers.

    Why similar: Idler 25.8%, Loot 21.1%, Tower Defense 18.5%, Strategy 10.2%, Building 10.1%

  13. #13 Hang up Street
    89% matchMixed65% of 54 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 20.8%, Tower Defense 18.9%, Loot 18.5%, Auto Battler 18.4%, Pixel Graphics 4.9%

  14. #14 Undeads vs Humans
    88% 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 31%, Auto Battler 28.7%, Strategy 8.9%, Medieval 8.5%, Casual 6.5%

  15. #15 Formation Builder Idle
    87% 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: Auto Battler 25.3%, Tower Defense 22.2%, Idler 21.4%, Strategy 8%, Casual 5.1%

  16. #16 Empire of Zombies
    86% match9 user reviews67% of 9 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 31.9%, Idler 25.7%, Auto Battler 19.4%, Strategy 11.2%, Fantasy 3.7%

  17. #17 Broken Banners
    86% 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 39.4%, Auto Battler 28.3%, Strategy 12.6%, Building 8.6%, Fantasy 6.1%

  18. #18 HEXFORGE
    85% matchNo user reviews2026
    Dev: Noodle Interactive
    Windows · Mac

    Command a hex arena where your weapons fire themselves, but the build is yours. Mark targets, drop abilities, vent the heat. Between rounds, crack capsules, merge mods and rewire a 13-socket grid. Six zones, one long run, and a machine that slowly starts playing itself.

    Why similar: Tower Defense 30.1%, Auto Battler 25.1%, Idler 16.6%, Strategy 12.8%, Casual 9.5%

  19. #19 Myriad Realms: Ascend to Sage
    84% matchPositive90% of 42 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 34.8%, Idler 21.6%, Loot 13.4%, Casual 10.7%, 2D Platformer 4.6%

  20. #20 Tiny Guild
    84% matchNo user reviews
    Dev: Blazing Fast Studios
    Windows · Linux

    Explore your guild hideout as the Guild Master, prepare your heroes, send them into automated combat expeditions, then use whatever they bring back to improve the guild.

    Why similar: Auto Battler 31.4%, Idler 23.2%, Casual 9.6%, Loot 7.4%, Medieval 7.4%

  21. #21 Lazy Lord: War on the Desktop
    83% matchPositive95% of 22 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 40.3%, Idler 26.7%, Casual 11.5%, Medieval 8%, Resource Management 5.2%

  22. #22 Zero Stress King: Idle Defense
    81% matchVery Positive88% of 1,911 reviews2026
    Dev: Pauloondra
    Windows · Mac
    Median: 9.7 hrsMean: 12.1 hrs≥1hr: 95%

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

    Why similar: Tower Defense 26.3%, Idler 23%, Auto Battler 19.5%, Strategy 7.5%, Resource Management 6.7%

  23. #23 DragonFire: Defense
    82% match8 user reviews75% of 8 reviews2026
    Dev: DodoModoPub: RealifyGames
    Windows

    Raise and equip dragons, expand your tower, manage resources, and defend your kingdom across five enemy realms in this colorful 2D idle tower-defense game.

    Why similar: Tower Defense 28.4%, Loot 13.7%, Idler 13.1%, Auto Battler 11.8%, Strategy 7.7%

  24. #24 Very Very RARE
    82% matchNo user reviews2026
    Dev: Nue Games
    Windows

    Forge insanely rare turrets in an incremental idle tower defense. Hunt impossible loot, unlock powerful relics, expand your skill tree, complete quests, and discover game-breaking synergies as you chase the rarest drops imaginable.

    Why similar: Tower Defense 24.4%, Auto Battler 23.6%, Loot 19.4%, Idler 14.8%, Strategy 7.8%

  25. #25 Cultivation Road
    80% match2 user reviews0% of 2 reviews2026
    Dev: Fengling Studio
    Windows · Linux

    "Cultivation Tower" 2.0 "Cultivation Road", 2D side-scrolling idle cultivation game. Lead the protagonist and 12 fellow cultivators on an automatic journey along the immortal path, battling and collecting treasures, managing your sect, constantly reaching new heights in twenty different scenes.

    Why similar: Tower Defense 27.5%, Auto Battler 23.5%, Idler 13.8%, Strategy 11.7%, Casual 8.7%

  26. #26 A Dragon's Tale
    81% matchNo user reviews2026
    Dev: Colas Games
    Windows

    An exciting reverse Tower Defense! Defend the tower from hordes of civilians, strategically place your monsters, and take on the challenge across 3 unique modes: Story, Hardcore, and Infinity.

    Why similar: Tower Defense 34.6%, Auto Battler 33.8%, Strategy 16.1%, Fantasy 4.9%, 2D Platformer 4.5%

  27. #27 Idle Protocol
    79% match6 user reviews17% of 6 reviews2026
    Dev: Zzz Idle Games
    Windows

    Idle Protocol is a minimalist sci-fi tower defense and incremental game. Manage a central CPU core, equip exactly 2 Nodes, and defend against geometric anomalies. Perform a System Reboot to earn Cycles and unlock permanent modules in the BIOS!

    Why similar: Tower Defense 28%, Auto Battler 27.3%, Idler 23.3%, Strategy 10.6%, Casual 5.9%

  28. #28 Crown Siege
    77% matchMostly Positive80% of 335 reviews2026
    Dev: JOrbits GamesPub: 2 Left Thumbs
    Windows · Mac · Linux

    A short incremental siege game centered around growing and strengthening an army to defend your kingdom. Seize the crown from an endless wave of enemies for your best chance at survival!

    Why similar: Tower Defense 26.6%, Auto Battler 24.6%, Idler 18.2%, Medieval 8.5%, Strategy 5.8%

  29. #29 Cook to Zero
    79% matchNo user reviews
    Dev: DOLSTEP
    Windows

    Cook meals to deploy mercenaries and hold back waves of monsters! Manage the kitchen and battlefield at the same time in this pixel-art real-time strategy defense game.

    Why similar: Tower Defense 29.9%, Auto Battler 28%, Strategy 8.4%, Medieval 7.7%, Casual 6.2%

  30. #30 Game of Warriors
    78% matchNo user reviews
    Dev: Play365
    Windows · Mac

    Defend your city, conquer enemy lands, and build a powerful empire in this unique tower defense strategy game. Upgrade defenses and technolgy, command troops, and face massive waves, siege weapons, and war elephants as you expand across the map.

    Why similar: Tower Defense 35.4%, Auto Battler 23.9%, Strategy 11.2%, Medieval 10.9%, Casual 7.1%

  31. #31 Covenant Tower
    77% match5 user reviews80% of 5 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: Tower Defense 27.6%, Auto Battler 27.2%, Idler 24.1%, Medieval 9.5%, Strategy 4%

  32. #32 Little TD
    78% 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 43.8%, Idler 15.9%, Strategy 14.6%, Casual 9.5%, Building 5.6%

  33. #33 Defender of Darkness
    76% matchNo user reviews2026
    Dev: KwaKwaGames
    Windows

    An idle tower defense game: build fortifications, manage limited resources, cast spells, and decide which dark lords to save before the final battle against the forces of good. And don’t forget to raise your kraken!

    Why similar: Tower Defense 41.3%, Idler 23.9%, Strategy 13.7%, Building 6.6%, Fantasy 3.8%

  34. #34 Polygon War
    76% 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 31.3%, Tower Defense 31.3%, Idler 21%, Strategy 10.7%, Combat 2.3%

  35. #35 Pixel Empires
    75% matchMostly Negative33% of 21 reviews2026
    Dev: PiqFocus Interactive
    Windows

    A pixel idle tower defense where your kingdom fights on its own. Workers gather, your army auto-battles endless waves, spells self-cast — you aim the bow, chain combos and choose what to upgrade. Bosses, titans, prestige, 100+ achievements. The night is endless. The bow is yours.

    Why similar: Tower Defense 29.4%, Auto Battler 22.5%, Idler 22.1%, Resource Management 7.3%, Casual 5.8%

  36. #36 Emoji Random Defence
    75% 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: Tower Defense 34.7%, Auto Battler 34.1%, Strategy 15.9%, Casual 12%, 2D 1.7%

  37. #37 IncrediWizard
    74% matchNo user reviews
    Dev: Cem
    Windows

    IncrediWizard is an incremental idle game. Battle monsters, unlock powerful spells, and upgrade your abilities. Progress through a vast talent tree to conquer the darkness!

    Why similar: Auto Battler 31.3%, Tower Defense 31.3%, Idler 17.6%, Strategy 6.9%, Resource Management 6.8%

  38. #38 Miracle Brave: Beast Defense Line
    72% matchMixed46% of 13 reviews2026
    Dev: 1029studio
    Windows

    Endless tides of beasts crash against your fortress, yet never breach your line. Fight alongside your brave companions, reap the invaders, and grow stronger with every battle. Rise to meet the next wave with greater might—reap, strengthen, reap again. The cycle never ends.

    Why similar: Tower Defense 30%, Auto Battler 22.6%, Idler 22.2%, Strategy 7.3%, Casual 6.1%

  39. #39 Idle Monster TD
    74% matchMostly Positive72% of 856 reviews2021
    Dev: Swell Games LLC
    Windows · Mac
    Median: 6.6 hrsMean: 162.2 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 35%, Idler 24.3%, Strategy 9.2%, Resource Management 7%, Fantasy 6.2%

  40. #40 Don’t Idle: TD
    73% matchNo user reviews2026
    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 48.2%, Idler 29.7%, Pixel Graphics 6.6%, Strategy 5%, Combat 4%

  41. #41 Galaxy Pirates
    73% matchNo user reviews
    Dev: Chubby Horse
    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 30.3%, Auto Battler 28.3%, Idler 24.2%, Strategy 9.3%, Casual 4.8%

  42. #42 Castle Push
    73% match3 user reviews100% of 3 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: Tower Defense 32.7%, Auto Battler 31.6%, Strategy 9.3%, Medieval 8.1%, Casual 6.8%

  43. #43 Tiny Idle
    71% match1 user reviews100% of 1 reviews2026
    Dev: Logan Halco
    Windows

    An auto-battler idle roguelike where your army fights on its own. Recruit 20+ unit types, collect items across 7 rarity tiers, forge Mythics, and push through endless waves of enemies. Runs in the corner of your screen - or dive in and command your forces.

    Why similar: Auto Battler 33.9%, Idler 22.9%, Loot 12.6%, Casual 11.3%, Strategy 10.4%

  44. #44 Cell Defense
    72% matchNo user reviews2026
    Dev: blaubessen
    Windows · Mac

    Cell Defense is an incremental tower defense set inside the body. One antibody holds the center as endless waves of viruses and bacteria close in. Survive, earn, and spend it on weapons, build-defining cards, and upgrades that keep paying out while you idle.

    Why similar: Tower Defense 38.4%, Idler 23.8%, Auto Battler 14.8%, Strategy 11%, Resource Management 7.2%

  45. #45 Protect the Pit
    71% matchNo user reviews2026
    Dev: atomcoPub: Rogue Duck Interactive
    Windows

    Attack with your cursor, build towers and walls to defend your pit! An incremental clicker that combines tower defense, maze building, and large upgrade trees. Earn money, upgrade your defenses, and build winding mazes to stop the hordes of the Dark Forest.

    Why similar: Tower Defense 27.9%, Auto Battler 22.6%, Idler 18.3%, Medieval 7.8%, Strategy 7.1%

  46. #46 Bottom Squad
    69% matchMixed63% of 16 reviews2026
    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 31.8%, Idler 27%, Auto Battler 26.8%, Casual 6.1%, Strategy 5.6%

  47. #47 Defender of Grids
    71% matchNo user reviews2026
    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 33.4%, Auto Battler 26.3%, Idler 22.3%, Strategy 9.5%, Casual 5%

  48. #48 NodalBastion
    70% 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 45.6%, Idler 29.2%, Resource Management 11.2%, Strategy 9.5%, Casual 2.3%

  49. #49 Magic Crystal TD
    70% matchNo user reviews2027
    Dev: 踏雪泥工作室
    Windows

    Magic Crystal TD mixes tower defense with resource management. Build roads to resource points, send familiars to haul red, yellow, blue crystals, refine advanced ones, and swap them on Magic Crystal Bases for varied defenses. Face shifting nature, wield Blessings, destroy nests to win!

    Why similar: Tower Defense 48.3%, Strategy 15.5%, Resource Management 12%, Building 7.8%, Fantasy 7.5%

  50. #50 Idle Hero TD - Tower Defense RPG
    68% matchVery Positive83% of 1,322 reviews2024
    Dev: Swell Games LLC
    Windows · Mac
    Median: 3.4 hrsMean: 207.2 hrs≥1hr: 69%

    Endless Idle Tower Defense with deep strategy and RPG progression and combat mechanics. Recruit, upgrade, and position powerful fantasy heroes, discover game-changing synergies, and survive infinite monster waves. Grow stronger every run with literally millions of upgrades and endless auto battles.

    Why similar: Tower Defense 27.9%, Auto Battler 22.8%, Idler 19.5%, Strategy 7.4%, Resource Management 5.8%

  51. #51 希望之城 The City Of Hope
    69% 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 27.3%, Idler 22.2%, Auto Battler 19.3%, Medieval 8.3%, Strategy 8%

  52. #52 Portal Defense
    70% 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 53.2%, Strategy 17.9%, Medieval 9.4%, Pixel Graphics 7.5%, Fantasy 6%

  53. #53 Open The Gate: Just A Little
    67% matchMostly Positive76% of 41 reviews2026
    Dev: Abubu DancePub: The Bueno Interactive
    Windows · Mac

    Medieval Tower Defense and Real-time Strategy hybrid where positioning, gold farming and tower capturing decide the outcome against waves of legions and dragons.

    Why similar: Tower Defense 31.6%, Idler 18.8%, Auto Battler 18.5%, Medieval 10%, Fantasy 6.3%

  54. #54 Explodey Towers
    68% match1 user reviews100% of 1 reviews2026
    Dev: MangoStick
    Windows

    Build, upgrade, EXPLODE! Build and manage your tower defenses to fend of relentless waves of enemies in this small tower defense game!

    Why similar: Tower Defense 30.5%, Auto Battler 28.1%, Loot 12.4%, Medieval 10.3%, Strategy 6%

  55. #55 Arcane Towerline
    69% matchNo user reviews
    Dev: Tara
    Windows

    Arcane Towerline is a roguelite tower defense blending auto-battler synergies. On a dynamic battlefield, draft powerful 1-to-5 cost units to build a formidable lineup. Defend your crystal from swarms of enemies using tactical positioning and random game-changing magic!

    Why similar: Tower Defense 48.6%, Auto Battler 27.6%, Strategy 11.5%, Casual 5%, Pixel Graphics 4%

  56. #56 Idle Defense
    67% match6 user reviews50% of 6 reviews2026
    Dev: Tiny Loop Games
    Windows

    Endless cubes. Seven colors, seven currencies. Click to crush or build auto-turrets. Upgrades, prestige system, perks, and boss waves. Neon minimalism. Endless progression.

    Why similar: Tower Defense 27.5%, Idler 23.4%, Auto Battler 21.5%, Strategy 12.4%, Resource Management 6.5%

  57. #57 LazyLegions
    67% matchMixed58% of 12 reviews2026
    Dev: SteelWindGames
    Windows · Mac

    A desktop idle loot RPG where five classes auto-battle along the edge of your screen. Farm gear from Common to Mythic, compare affixes, equip upgrades in one click, then enhance, salvage, and sacrifice every drop into a stronger build—all while you work, study, or browse.

    Why similar: Auto Battler 28.2%, Idler 20.3%, Loot 19%, Medieval 8.4%, Strategy 5.7%

  58. #58 Loot Goblins
    68% matchNo user reviews2026
    Dev: SunWillShineGames
    Windows

    Crack open chests, chain buffs and recruit the ultimate goblin crew in this fast-paced incremental auto-battler. Send them deeper into dungeons. Get better loot. Repeat!

    Why similar: Auto Battler 28.7%, Loot 21.6%, Idler 18.8%, Strategy 7.9%, Fantasy 5.2%

  59. #59 Godcore
    67% matchNo user reviews2027
    Dev: Topius
    Windows

    GODCORE is a runic war of lanes: march your warband down the road, command your Einherjar, wake your towers, and break the corrupted heart before yours shatters — one land of the saga at a time.

    Why similar: Tower Defense 29.1%, Auto Battler 28.3%, Idler 16.3%, Strategy 13.2%, Casual 7.1%

  60. #60 Desktop Siege
    66% matchMostly Positive70% of 42 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 44.6%, Idler 37%, Casual 11.6%, Pixel Graphics 6.9%

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Endless Castle: Under Siege cover art

Games Like Endless Castle: Under Siege

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