Games, music toys and simulations that run in the browser.

A block puzzle. Drag shapes onto the grid and fill a row or column to clear it. Clears in a row build a streak multiplier. Shared weekly and all-time high scores.

Twenty ranked slots and random numbers from 1 to 1000. Place each number so the list stays in ascending order. The run ends when a number has nowhere to go.

Four short exercises a day, about twenty minutes in all, with a streak and a list of items for spaced recall.

A small pocket synth with tones, rhythms, envelope and a recorder.

Drum machine and bass line in one sequencer, with shuffle, drive and ducking.

A sixteen-step drum sequencer with patterns, chaining, shuffle and drive.

An acid bass line synth in the browser, with step sequencer, saw and square oscillator, tempo and shuffle.

A flock of birds simulated from three local rules, separation, cohesion and alignment, with every rule adjustable.