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Games like Boom Castle: Tower Defense TD

Boom Castle: Tower Defense TD. These games share the most with it, and each one says why.

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  1. Dice vs Monsters: Roguelike TD cover art

    Dice vs Monsters: Roguelike TDUpdated

    Also tower defense, roguelite, fantasy

    A roguelike tower defense where each hero is a die, with dice rolls used to upgrade abilities against monster waves.

  2. Chef Knight cover art

    Chef Knight

    Also roguelite, fantasy

    Fight through dungeons for monster ingredients, cook them into dishes to sell to adventurers, and upgrade combat and cooking between runs.

    95% steam
  3. Sir, We Have an Orc Problem cover art

    Sir, We Have an Orc Problem

    Also tower defense, roguelite

    A short tower defense against orc armies in the tens of thousands, where every run, won or lost, feeds a big tree of turret upgrades.

    86% steam
  4. Outhold cover art

    OutholdUpdated

    Also tower defense, roguelite

    A short tower defense run-based game where you spend collected resources in a large refundable skill tree between attempts.

    4.4★ galaxy
  5. Galaxy Defense: Fortress TD cover art

    Galaxy Defense: Fortress TDUpdated

    Also tower defense, roguelite

    Build and combine turrets to protect Earth from aliens, picking roguelike upgrades mid-battle and powering up your character with chips.

  6. Idle Kingdom Defense cover art

    Idle Kingdom DefenseDormant

    Also tower defense, fantasy

    Command heroes and archer corps in large castle-defense battles, with rewards stacking up while the game is closed.

    75% idle
  7. Rogue with the Dead: Idle RPG cover art

    Rogue with the Dead: Idle RPGUpdated

    Also roguelite, tower defense

    March an army 300 miles to slay the Demon Lord; troops fight automatically, and each death resets your run but makes you stronger.

    has ending
    75% idle
  8. Geometry Tower: Idle Defense cover art

    Geometry Tower: Idle DefenseUpdated

    Also tower defense, roguelite

    Defend a single tower against endless waves, picking roguelike upgrades each run and researching permanent boosts.

  9. Tiny Warriors Rush - Idle TD cover art

    Tiny Warriors Rush - Idle TDUpdated

    Also tower defense, roguelite

    Pick warriors and random upgrade cards in tower-versus-tower battles, then spend winnings to level your army.

  10. Idle Defense: Dark Forest cover art

    Idle Defense: Dark ForestDormant

    Also tower defense, fantasy

    Play a banished trainee wizard who deploys turrets to hold off monsters released from a shattered seal.

  11. 👑Idle Calibur：Zero💕（选王之剑：零） cover art

    👑Idle Calibur：Zero💕（选王之剑：零）

    Also roguelite, fantasy

    An anime-styled fantasy idle RPG that mixes tabletop-style character builds, roguelike runs and gacha elements on a quest to claim the throne.

    80% steam
  12. Idle Monster TD: Evolved cover art

    Idle Monster TD: Evolved

    Also tower defense, fantasy

    A reverse tower defense where you evolve over 150 monsters to hold a portal against endless human invaders, placing them to combine abilities.

    76% steam
    75% idle
  13. Refence cover art

    RefenceDormant

    Also tower defense, roguelite

    Defend a wall with chosen heroes in a roguelike idle defense, building up your castle, researching features and crafting relics.

    77% steam
    3.4★ galaxy
  14. Samawa Idle cover art

    Samawa Idle

    Also tower defense, roguelite

    Pick and level towers against monster hordes, shaping runs with random gear, passives and a skill tree across two prestige layers.

    68% steam
    50% idle
  15. Lonely Knight - Idle Roguelike RPG cover art

    Lonely Knight - Idle Roguelike RPG

    Also roguelite, fantasy

    A knight grows stronger while idle, then takes on dungeons where you draft skills from three choices to build a deck and hunt boss powers.

    66% steam
  16. A Dungeon Is You - Demo cover art

    A Dungeon Is You - DemoUpdated

    Also tower defense, fantasy

    Reincarnated as a dungeon core, you lay out a maze of walls and floors, upgrade defenders and fit loot idols into a grid inventory.

    2.8★ galaxy
  17. Idle Isekai - An Idle RPG (Demo) cover art

    Idle Isekai - An Idle RPG (Demo)

    Also roguelite, fantasy

    Demo of a fantasy idle RPG with roguelite elements: recruit heroes, fight pixel art foes through World 1's story, then an endless mode to floor 150.

    2.7★ galaxy
  18. Realm Grinder cover art

    Realm Grinder

    Also fantasy

    Pick a faction, build a kingdom, abdicate, reincarnate, ascend. Every run changes which of eleven factions is optimal.

    87% steam
    55% idle
  19. Nodebuster cover art

    NodebusterComplete

    Also roguelite

    Sweep your cursor over nodes, spend the bits on a huge upgrade web, go again. A tight, active, few-hour hit.

    97% steam
    3–6h ending
    10% idle
  20. Zero Stress King: Idle Defense cover art

    Zero Stress King: Idle DefenseUpdated

    Also tower defense

    A tower defense where you cannot lose: enemies charge your walls and fall into lava, and you spend the payout on defenders and a map-shaped skill tree.

    87% steam
    3.6★ galaxy
  21. Magic Archery cover art

    Magic ArcheryUpdated

    Also fantasy

    Train an elf commoner into a master archer by shooting targets, taking quests for gold and buying magic upgrades in a brief, hands-on climb with a set ending.

    98% steam
    has ending
    25% idle
  22. Your Chronicle cover art

    Your Chronicle

    Also fantasy

    Reincarnate across a long fantasy chronicle, each life unlocking the next chapter.

    80% steam
    40–100h ending
    60% idle
  23. Idle Hero TD - Tower Defense RPG cover art

    Idle Hero TD - Tower Defense RPGUpdated

    Also tower defense

    An endless tower defense where you recruit and place fantasy heroes against infinite waves, and they keep fighting and collecting rewards while the game is closed.

    82% steam
    75% idle
  24. DodecaDragons cover art

    DodecaDragons

    Also fantasy

    Twelve dragons, twelve colours of magic, and one of Galaxy's most-favourited games. Big numbers, handsome UI.

    4.6★ galaxy
    has ending
    55% idle