Your virtual pet in the browser
Adopt a Kitty in Your Browser
Feed, play, and dress up your cat while you browse. A cozy idle companion that lives in your new tab.
Your virtual pet in the browser
Feed & Care
Keep your cat happy by feeding it, giving water, and playing together. Each cat has its own mood and personality.
Idle Progression
Your cat grows and levels up as you browse. Come back to collect rewards and unlock new items.
Dress Up
Unlock outfits, accessories, and backgrounds to personalise your cat's look and living space.
World & Exploration
Send your cat on adventures to explore new worlds and bring back rare items.
Achievements
Earn badges and achievements as you care for your cat. Track your progress in the profile.
Privacy-First
No account required. Your cat's data stays in your browser — never uploaded anywhere.
常见问题
Will it slow down my browser?
No. Happy Cat only runs on the new tab page. It has zero impact on other websites you visit.
Does it need an account?
No account needed. Everything is saved locally in your browser using Chrome storage.
Will my progress be lost if I reinstall?
Your progress is stored in Chrome's synced storage, so it follows you across devices if you're signed into Chrome.
Is it really free?
Yes, the core game is completely free. Some cosmetic items and premium cat skins are available as optional purchases.
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