Polyomino is a collection of 100 puzzles in which the objective is to fill entirely the grid of the puzzle with the adequate pentaminoes. These ones have been designed with great care, with transparency and shadow effects. In addition you can rotate or turn them with right mouse clicks. There exists puzzles for beginners or experts. Moreover, there are many options, informations on the game, a fully customizable background (5 photos, 5 3D pictures, 10 textures, gradient or simple color) and a fun animation when the puzzle is solved. The game interface and the help file can be displayed in English or French.