CLICK THE CANVAS TO PLACE NODES — THEN CONNECT THEM
ADD NODE — click canvas to place · ADD EDGE — click two nodes to connect ·
SELECT — click node to edit properties, drag to move ·
Node types: Normal / Relay (×2 move) / Firewall (slows) / Amplifier (2× harden) ·
Set one node as CORE and at least one as ENTRY ·
Edge flags: Normal / Heavy (2 severs) / Shielded (unseverable) ·
Hit VALIDATE to check solvability, then SHARE to get a code