No Ads Version Classic 3D number puzzle game with easy puzzles for beginners and fiendish puzzles for advanced players. Exercise your brain with millions of in built puzzles! 3D number puzzle is a great way to relax your mind and keep it active, or else challenge it to a real workout. Hints such as Swordfish are included in the expert levels to help you solve them. Use the ball of string to make notes and track possible numbers. Use tools to highlight mistakes or auto fill possible numbers. Every 3D number puzzle is unique and has just one solution. Complete a 3D puzzle daily and see how quickly you improve! From an express simple game to a very hard one, play 3D number puzzle anytime, anywhere, and train your brain using your mobile! HOW TO PLAY Enter the numbers 1 to 9 in each cell, making sure not to repeat the same number in any Box, Row or Column. The green area is common to all 3 sides. Good luck! FEATURES Six levels of unlimited 3D number puzzles - Simple, Easy, Medium, Hard, Very Hard and Hand crafted "Master" levels that are incredibly challenging. EULA Terms of use: http://www.mastersoftmobilesolutions.com/eula.htm Privacy Policy: http://www.mastersoftmobilesolutions.com/privacy.htm