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Jellyfish Aquarium

A pixelated underwater world that reacts to music

Vibrant pixel jellyfish drift and pulse through a living ocean scene. Fish swim and flee from visiting sharks, a crab crawls along the seafloor, and kelp sways in the current. Enable your microphone to sync everything to music.

Canvas APIWeb Audio APIFullscreen APIBeat Detection

Features

  • Microphone Reactive — Jellyfish pulse speed and drift sync to detected BPM
  • Beat Detection — Real-time bass frequency analysis for kick detection
  • Click to Beat — When mic is off, click the canvas for a one-shot beat reaction
  • Living Ocean — Fish flee from sharks, a crab crawls the seafloor, kelp sways
  • Fullscreen Mode — Immersive viewing with auto-hiding HUD
  • Responsive — Scales to any screen size; keyboard shortcuts (F, M)