心動防線

In-app purchases
Content rating
Teen
10K+
Downloads
Content rating
Teen
Violence, Blood, Suggestive Themes
Users Interact
Learn more
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About this game

Hey! This incredibly engaging Japanese-style card-based catapult tower defense game lets you enjoy the strategic fun of offense and defense while easily placing items. Come and experience it!

▶ Flicking Arrows × Heart-Fluttering Bonds
Join forces with five unique and beautiful female allies, unleashing card "secret techniques" through skillful catapult commands. Every precise strike is a satisfying combination of offense and defense!

▶ Pinball Defense Line · Tactical Free Combinations
Freely customize your "Pinball Defense Line": chain-reaction bouncing attacks through enemy lines, piercing through multiple targets in one go, and unleashing a massive bomb that shakes the entire field! Create the strongest chain combos tailored to the characteristics of each level!

▶ Companionship Development · Collect Your Favorite Characters
Encounter various beautifully designed Japanese-style character cards, each with a unique story and skills. Deepen your bonds through adventures, upgrade your exclusive companions, and build the strongest lineup.

▶ Random Enhancements · A New Challenge Every Time
Utilizing a Roguelike mechanism, each challenge grants random ability bonuses! Freely build your own battle "strategies," making every adventure fresh and strategically deep.

▶ Five-Person Team · Flexible Deployment
Adjust your five-person team composition at any time to counter the characteristics and attack patterns of different enemies. Combine character skills and pinball effects to create the most flexible offensive and defensive strategies and protect your last line of defense!

The game is easy to pick up and play, yet full of strategic combinations and endless possibilities. Whether commuting, taking a break, or simply wanting to exercise your brain, you can engage in a heart-pounding battle of defense anytime!

Download *Heartbeat Defense* now, build your strongest team, and decide the outcome with pinballs!

※ This software contains violence and sexual content (game characters wear clothing that highlights sexual characteristics), and is classified as Sub-15 according to the Game Software Rating Regulations.

※ This game is free to use, but in-game purchases of virtual currency and items are available. ※ Please be mindful of your usage time and avoid becoming addicted to the game.

Distributor Information: E-Heng Digital Marketing Co., Ltd.
Hey! This super-fun Japanese-style card-based catapult tower defense game lets you easily place towers and enjoy the fun of strategic offense and defense. Come and experience it!
Updated on
Jul 13, 2026
Available on
Android, Windows*
*Powered by Intel® technology

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.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • No data collected
    Learn more about how developers declare collection
  • Data is encrypted in transit
  • You can request that data be deleted

What’s new

-修复已知bug
-优化游戏体验
Content rating
Teen
Violence, Blood, Suggestive Themes
Users Interact
Learn more

App support

About the developer
Singularity Interactive Entertainment Technology (Hong Kong) Limited
xyx15@mova-tech.com
Rm A7 12/F ASTORIA BLDG 34 ASHLEY RD 尖沙咀 Hong Kong
+86 180 2027 2860