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Audio Reaction — Play Free Online, No Download

Audio Reaction plays instantly in your browser (reaction test). No download, no signup and no install — just open the page and play. Everything is computed locally in your browser — your data never leaves your device.

How to use Audio Reaction

1. Open the page — the game loads instantly.
2. Follow the on-screen controls to play.
3. Play again as often as you like.

Frequently asked questions

Is it really free?

Yes, completely free with no signup and no paywall.

Does it work on mobile?

Yes. Touch controls work on phones and tablets, alongside keyboard and mouse on desktop.

Do I need to download anything?

No. It runs directly in your browser.

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