Practice mental arithmetic with addition, subtraction, multiplication, division, and mixed modes. Use 1 to 5 digit numbers in column format. Track daily scores and view progress graphs. Compete in rankings via Game Center.
Play a game using tetrominoes to clear lines on a board. Rotate and drag pieces to place them. Obstacles like tree stumps appear randomly. Clear lines to remove blocks from rows or columns.
Solve logic puzzles by filling grids based on numerical clues. Reveal hidden images by coloring cells according to row and column numbers. Track progress and reset puzzles. Share completed artwork with others.