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shell

A daily sound-design puzzle. Hear a sound, rebuild it on a synth in your browser, in as few guesses as you can.

the synth board: three oscillators, filters, envelope and LFO plots, unison, voice and output modules
the synth board. the same one the puzzle runs on.
play today’s puzzle

opens shell.snails.fm. no account needed to play.

how a day works

three steps

hear it

Play the day’s target sound, as many times as you like.

rebuild it

Every module on the synth is open. Nothing is hidden or locked for the puzzle: any knob might be part of the answer.

submit

Each guess colours the ideas you touched. Green is right, yellow is the right idea at the wrong value, red is wrong. Fewer guesses is better.

the instrument

the synth

+in the browsertoday
The puzzle runs on the full synth, in the browser. No install, no plugin, no sign-up.
+in your DAWlater
The same instrument as a plugin, later. Every recipe will paste into it as a code, free.
+the same sounddeterministic
The engine renders a patch to the same samples on every machine, so the sound you match is the sound the setter made.
setters

Every puzzle carries the name of the person who set it. Sound designers who’d like to set one: charlie [at] snails.fm.