It is a Nonogram that solves problems with logic and calculations. It is called "Picross", "Nonogram" and it is the best logic game with Sudoku. Complete over 2000 different puzzles to make a great picture. Other themes by mode. 10X10: Various pictures. 15X15: Landscape painting. 20X20: masterpiece. Game Features. Provides 3 modes Automatic game saved.