In the course COMPE 438 Java Programming offered in 2010-2011 Fall semester, Assist.Prof.Dr. F.Cemile Serçe gave design and development of 16 on-line puzzle games as students projects. The students from the department of Computer Engineering, Sofware Engineering and Information Systems Engineering developed these 16 puzzle games available at http://www.atilim.edu.tr/~fcserce/puzzle/index.html