goonchess
A chess variant maker in the browser.
activeTypeScriptReactVite2026
Visual record pending
Overview
Build a board, paint terrain, design piece movement, place the starting army and play it. Includes a full rules engine, legal-move hints, animated captures, portals, explosions and a generated rulebook that explains whatever you invented.
What is inside
- A human-readable rulebook is generated from the variant you just built.
- Effects include swapping on capture, explosions with radius and piece spawning.
- Turn view rotates the board for pass-and-play on one screen.