Ordinary Puzzles - A minimalistic puzzle game inspired by Picross and Sudoku.
Puzzlescript - Open Source HTML5 Puzzle Game Engine
Two Dots - Sharpen your puzzle solving skills with a challenging game of dot connection.
Tripods - 2D puzzle game built for the Web.
word.rodeo - A fun weekend project that lets you create wildly custom word puzzles in the character of Wordle (without blatantly copying the name).
63 - 63 is a race against the world.