StackWorks

Start Page — choose game & options.

Game

Board & Pieces
Startup options
Show the ↕️ board-height button (also in-game: left panel → Options)
Column letters and row numbers
Rotate the board 180°
Shows translucent squares on the board after each move
Shows extra capture preview rings while selecting a piece
Renders 8×8 games on a chess-style square grid
On-screen turn and status popups
Plays subtle sounds for moves/captures
Play mode
Online Create logs a join link in the browser console (F12). To Join/Spectate/Rejoin, use the Lobby list.
Lobby
Account (optional)
Uses cookie sessions on the multiplayer server (port 8788). This panel is for testing MP4C auth; it does not change seat tokens or online authority rules yet.
Bot
500 ms
Set a side to a bot to auto-play that color.