The Brain Games and Math Training is a collection of developmental, educational, logical games, as well as mathematical exercises on different themes. The app consists of two parts - Brain Games and Math Training. The Brain Games includes: Sudoku, Overlapping figures, Pyramid, Matching Pairs, Symmetry, Fifteen, Tic Tac Toe (Five in a row, X and O) and Color Grid. Sudoku is a logic game that will allow you to spend your free time in an interesting and useful way. The goal of the Sudoku game is