Sudoku is great and all, but it is starting to get old. Luckily, iToys Inc. is bringing over a new Japanese brain game in the form of a handheld device. Designed for both kids and adults of all ages, the game contains 10 levels of difficulty and offers thousands of puzzles on 3×3 and 6×6 grids. The device itself feature a touch screen, comes with a stylus, and it also has sound effects. KENKEN will retail for $19.99.