billiard.js: a sample billiard game in pure JavaScript with Neraliu's NEngine.js

sudoku.js: a sudoku game, builder and solver in pure JavaScript. Scaled-down version of CrossWord.js

Rubik3: an intuitive 3D Rubik Cube with Three.js

3DRubikCube: an intuitive 3D Rubik Cube in ActionScript3 with PaperVision3D

chess.js: play a game of chess

sunfish.js: JavaScript port of Sunfish Python Chess Engine