Games credits

JOYIZM Games are built on the work of these projects, used under their licences.

Chess

• JOY's chess engine is Stockfish, run in the browser by Stockfish.js 19.0.0 by Nathan Rugg. Both are licensed under the GNU General Public License, version 3. Licence, where to get the source.
• Chess rules by chess.js, copyright Jeff Hlywa, BSD 2-Clause licence. Licence.
• The chessboard is cm-chessboard, copyright Stefan Haack, MIT licence. Licence.
• Chess pieces by Colin M.L. Burnett and Rfc1394, from Wikimedia Commons, adapted by Stefan Haack, licensed CC BY-SA 3.0.

Word

• Words from SCOWL, copyright Kevin Atkinson and the contributors named in its notice. Notice.