Boom Castle: Tower Defense TD

4.5
80.4K reviews
500K+
Downloads
Content rating
Everyone 10+
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About this game

BOOM CASTLE: Tower Defense TD is an electrifying roguelike idle tower defense TD survivor where your mission is to withstand endless waves and protect your castle from relentless hordes of evil invaders. Confront the ferocity of brutal orcs, undead skeletons, and demonic entities emerging from dark voids, each presenting unique challenges that test your strategic prowess. Don’t let these evil forces breach your defenses—crush them with tactical mastery!

Join Defence Forces with Mighty Heroes

Assemble a team of powerful heroes and embark on an epic journey through enchanted lands. Partner with allies like the resilient Dwarfs and noble Elves to repel evil forces and safeguard the realms. Upgrade mighty heroes and survive waves of enemies in this idle tower defense, ensuring your castle remains unbreachable against the darkest of threats.

Game Features

EXPLOSIVE TOWER DEFENSE ACTION
Prepare for heart-pounding excitement and deep strategic gameplay in Boom Castle! Each wave of enemies presents new tactical challenges, requiring you to adapt and optimize your defenses to maintain your stronghold’s integrity.

IDLE TD SURVIVAL
Experience the perfect blend of idle mechanics and tower defense strategy. Defend your castle against endless waves of enemies by strategically placing and upgrading towers, selecting and combining skills to unleash devastating magical attacks.

DIVERSE MAGIC HEROES
Recruit and command a diverse roster of mighty heroes. Choose from mages, paladins, druids, elemental wizards, and archers, each with unique magical abilities to bolster your defenses and provide strategic advantages on the battlefield.

EPIC ROGUELIKE SURVIVAL
Enhance your heroes with magical infusions and powerful new items. Upgrade them to endure longer in an endless roguelike td adventure, filled with epic battles and limitless strategic possibilities. Each playthrough offers new challenges and opportunities to refine your defense strategy.

ARMORY OF DEFENSIVE WEAPONS
Equip yourself with a vast arsenal of defensive weapons. Control your main weapon, unleash a variety of abilities, and deploy cannons to decimate your enemies in thrilling, action-packed battles. Each bang bang weapon type offers unique tactical benefits, allowing you to customize your defense to suit your playstyle.

STRATEGIC WIZARD’S TRAPS
Transform the battlefield to your advantage with unique traps. Place strategic traps to hinder and eliminate enemy hordes, increasing your survival odds against endless waves of invaders. Master the art of trap placement to create impenetrable defenses.

RPG UPGRADE SYSTEM
Progress and upgrade each hero’s skills. Enhance your towers, weapons, inventory, and castle defenses to withstand even the toughest enemy assaults. Invest in powerful upgrades to maximize your defensive capabilities and adapt to increasingly challenging waves.

ENGAGING CARD COLLECTIONS
Unlock and collect a wide array of unique heroes with powerful doodle magic skills. Improve their defensive abilities and expand your hero collection to build the ultimate defense team.

• Offline Game: Enjoy thrilling tower defense action anytime, anywhere, even without an internet connection.
• Wizard's Survival Defender: Experience endless survivor tower defense replayability with procedurally generated levels and evolving challenges.
• Strategic Variety: Utilize a combination of wizard's , heroes, and traps to create diverse and effective defense strategies.
• Visually Stunning: Immerse yourself in a vibrant fantasy world with detailed graphics and dynamic battle animations.

Are you ready for an offline, casual yet strategically deep tower-defense roguelike survival adventure? Upgrade mighty heroes and survive waves of enemies in this idle tower defense TD. Unleash the boom and become the legendary wild castle defender your kingdom guard needs!

Play BOOM CASTLE: Tower Defense TD now and embark on your epic survivor defense journey!
Updated on
Aug 5, 2025

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
Location, Personal info and 2 others
This app may collect these data types
Location, Financial info and 3 others
Data isn’t encrypted
You can request that data be deleted

Ratings and reviews

4.5
76.8K reviews
Brian Smith
January 14, 2025
It's fun for a little bit but gets very grindy with no option to purchase no ads. The randomization is not a good couple with gems that can make a specific build. Unlocking more is a double edged sword because you get specific heroes you want to use but are less likely to get, so you find yourself losing after the first upgrade because you didn't get what you needed.
40 people found this review helpful
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TERAHYPE - AR, GPS & Fantasy RPG + Casual Games
January 14, 2025
Thank you for your feedback! We understand the frustration with the grind and randomization. We're working on improving game balance and considering adding an ad-free option in future updates. Your input is valuable, and we hope upcoming updates will make the game more enjoyable. Stay tuned! 😊
Namo Schmamo
September 27, 2025
Energy depletion results in inability to keep playing. So, you accumulate energy to spend to play each level. But when you run out of energy, you cannot play anymore until energy is replenished slowly. I don't understand games that actively prevent you from playing. What kind of clueless people are in charge of designing these mechanics? And the troops you are allotted to choose from each level are totally random, so there is no strategy involved. It's a weak game in that regard too.
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TERAHYPE - AR, GPS & Fantasy RPG + Casual Games
September 29, 2025
Thank you for your feedback! 🙏 We understand your frustration with the energy system and random roll. Energy limits are common in mobile games to balance progression, but we’re reviewing ways to make it less restrictive. The random roll is part of the challenge, meant to test adaptive strategy. We hope the next updates improve your experience 🏰✨
Mister Rieker
August 3, 2025
Do you want to get into a really fun game with a lot of leveling and cool mechanics? Haha try watching ads more than you play the game. Randomized character selection guaranteed to make you watch ads. Rewards at the end of a level? Ads. Wanna advance? Ads. Wanna get something from the store? That's right it real money spent on diamonds or? You guessed more it Ads. The entire game is a money grab based on ads.
8 people found this review helpful
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TERAHYPE - AR, GPS & Fantasy RPG + Casual Games
August 4, 2025
Thanks for your feedback! We understand ads can feel overwhelming — they help keep the game free for over 90% of players. Watching ads is always optional, and we’ve added a VIP option to remove them completely. We’re working to balance progression and improve the experience in future updates. 💎

What’s new

Update 1.5.0: Arena of Glory

A new challenge awaits in the Arena. Prove your strength and earn your place among the legends.
What’s New:
🏟️ New Location: Arena – Fight waves of enemies, climb Monthly Leagues, and earn rewards in the Arena Shop.
🏛️ New Location: Temple
💣 2 New Cannons – Double Barrel and Laser
🛢️ New Trap: Oil Barrels
☀️ Free Skin: Summer Castle
💎 New Premium Castles
🛍️ Daily Shop
👍 General Improvements

Update now and take your place in the Arena of Glory.