Cursor Scream
The Idea: Calculate mouse velocity and make the browser scream if you shake the cursor violently
The Idea
A 40-line script that computes cursor velocity in pixels per second. When acceleration exceeds 1800 px/sec, play an agonizing scream with pitch shifting proportional to speed.
Current Status
Alive & Terrifying. Built in 20 minutes. Zero bugs. Secretly installed on a friend’s browser during lunch break.