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Heartbeat Battle

A romantic reality show showdown—who is your true destiny?

11570
Play Now
6–13 Zaps / turn

The highly anticipated reality dating show Heartbeat Battle is officially filming! You share a house with three other goddesses of distinct styles. Facing four elite male guests with diverse personalities, can you stand out on camera, command the stage, and make every male guest fall for you? You must navigate both the rivalry with other women and the task of tugging at the heartstrings of your dream men. You determine this season's MVP.

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Frequently asked questions

What is Heartbeat Battle?

Heartbeat Battle is an AI simulation world on WorldOS: you make the calls and the AI plays out the story, characters, and consequences in real time. Every run is different.

How do I play Heartbeat Battle online?

You play Heartbeat Battle online right in your browser — nothing to download. Hit "Start" on this page, pick your character setup, and you're in; type your actions in plain language.

Is Heartbeat Battle free to play online?

Yes. Your first visit after each 24-hour window automatically starts a free Zap allowance (no card needed) — enough to play Heartbeat Battle regularly. Want more? There are subscription plans.

Is there a Heartbeat Battle app?

WorldOS runs in your mobile and desktop browser, so you can play Heartbeat Battle online without installing anything.

What are some games like Heartbeat Battle?

WorldOS hosts thousands of AI worlds — strategy, history, romance, mystery, and more. Browse the gallery to find more games like Heartbeat Battle.

Can I make my own Heartbeat Battle?

Yes. Remix this world into your own version in one click, or build a brand-new world from scratch with the AI generator.

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