Play Sudoku with numbers, letters, and color shapes in 4x4 and 6x6 grids. Choose from two difficulty levels. Track up to three mistakes per game. Change background by shaking the device. Improve attention and recognition skills.
Learn tricks to solve problems quickly. Practice various operations with step-by-step guidance. Track progress and set daily challenges to improve calculation speed and accuracy.
Solve puzzles by selecting correct operations. Choose from addition, subtraction, multiplication, or division. Tap to answer quickly. Track time and improve speed. Progress through challenging levels.