Built an .io game where you etch live circuit traces on a shared board and race pulses to score nodes. One rule drives everything: 1 cell = 1 beat. Distance is literally time.
No lobbies. No tutorial. Drag your first line in 10 seconds.
Server-authoritative, fully deterministic sim, ~17KB client.

First devlog (21m logged but had a few more hours into it before I logged)