Join live room

Shared K4 vertices and platonic shapes sync over the network. Leave empty for a random six-character room code (Bonding-style), or type a custom id (1–64 chars: letters, numbers, underscore, hyphen).

Tonight's goals

Small wins together — no scoreboard, no account. Checks update as you build.

Finish this build

Give it a name — you get a JSON trophy you can re-import later or park in family Drive.

Live room: we copy a short text summary (counts, rigidity, join link) to your clipboard — good for a family thread or notes app.