Solve logic puzzles by filling grids based on numerical clues. Choose from 10X10, 15X15, 20X20, or BIG mode. Use hints, auto-save, and auto-fill features. Complete grids by marking cells according to row and column numbers.
Fast mental calculation observation concentration game
The app is a game of fast mental calculation that challenges users to improve their skills. The problems increase in difficulty as users play, requiring observation and concentration.
Learn through a story about a prince and wizard saving their kingdom. Help 10 characters with favorite . Practice counting, addition, and subtraction. Track progress with interactive challenges and rewards. Share achievements with family.