In Griddition you must simply fill the grid with numbers such that each row and column adds up to the given total. Think that sounds easy? Think again! FEATURES: - 7 levels, ranging from very easy to EXTREMELY difficult - Difficulty level for everyone - 2 game types, either find the correct solution or make up your own - Sure to challenge even the greatest mathematical minds - 8 colour themes, to suit every mood - Consistently high quality sound effects and animations for a smooth playing experience