Developers · Updated 16 Oct, 01:17 am IST

Developer posts Chirp Pong, a two‑player pong that uses audio chirps between phones

Why it matters for readers: It's a neat, hands‑on example of how phones can communicate without internet using sound.

Chirp Pong is a two‑player competitive game running in static HTML where networking uses chirps sent via the phone microphone.1
Players hold their phones close to each other and the game state is transmitted through audio noises interpreted by the web microphone API.1
The project adds graphical and gameplay twists to make the interaction more intertwined than traditional pong.1
Simon Willison described the experiment as feasible and wrote that it "seems to work."1

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