Puzzlescript - Open Source HTML5 Puzzle Game Engine
Dood : The Puzzle Planet - A strategy puzzle game for the smart ones
Tripods - 2D puzzle game built for the Web.
Ecovolife - A cute farming game which you can immerse your life into
63 - 63 is a race against the world.
RobinWords - This is a game which gives you a four letter word to start with and three target words.