This version contains several types of sums such as: - Addition sums, - Subtraction sums, - Multiplication tables (times tables) from 1 to 10, - Divisions. possibilities: - 90 levels; - Plus, minus, and part-sums; - Multiple choice questions; - Open question; - Check your input with survey results. The fun game contains 90 levels from easy to difficult. Simple and effective. Try to open the 90 levels. Intergrated with Game Center.