1)   Tangram 2.1 Tangram is a popular put-together puzzle. The object of the game is to form a given shape using all seven pieces. Tangram develops logical thinking and spatial imagination, and it is a great game for coffee breaks with 1000 best Tangram puzzles. 2)   BigMosaic 3.0 Jigsaw-like puzzle game. Make up two mosaic pictures from 2-sided tiles. You can rotate tiles, turn them upside down and change over any two tiles. After registration, you will get lots of author pictures and the utility for making your own puzzles.