Tinydoku is a great Sudoku like number puzzle game for both puzzle enthusiasts and smart people with some time to kill. This tiny game has a classic user interface and an unlimited number of free puzzles to solve. The puzzles don't require mathematical skills to solve but are more of a personal intelligence test. Each puzzle consists of 7 regions, each region is comprised of 1 black cell surrounded by 3 light grey cells and 3 white cells. The game starts with a number in each black cell; this number is the sum of the three numbers in the light grey cells that surround it. The objective is to as fast as possible fill in all of the empty white and light grey cells so that the numbers 1 to 6 appear exactly once in each region. Do not give up on any puzzle; each Sudoku like puzzle you get has already been tested to ensure it is solvable. Key features:- Unlimited number of free Sudoku like puzzles to solve.- Unlimited undo / redo feature.- Automatic save feature. - Internet connection is NOT required to play this game.- Support for all screen sizes including tablets.Note:- The Statistics feature which allows you to track your game progress is available in the full version Tinydoku.