Cribber
I've been using Claude to build me a bunch of interactive learning material on various things that I've found interesting over the years. https://dsp.gundy.dev/ https://cpu.gundy.dev/ https://cryptography.gundy.dev/ As the crypto site was being built, the idea of crib dragging came up and that sounded like a fun idea for a daily puzzle game, so I built https://cribber.net/ as a side quest. The DSP site was quite fun, there are lots of interesting interactive examples there like a mod tracker, an acoustic modem, a synth you can play with a midi keyboard, the ability to measure the Shannon capacity of your room, demos of psychoacoustic effects like masking ..