A collaborative handwriting game · 3 to 300 phones
Human Pixels
Every phone gets one letter. Tilt to steer a pen, hold the big button to ink, and watch the room write a paragraph together.
or join a room
No login. Messages travel over a public MQTT relay, so the room code is public; only your strokes leave your phone, never raw sensor streams. Motion sensors need HTTPS and, on iPhone, a tap to allow.