Solve puzzles by filling grid cells to match row and column totals with circle numbers. Choose difficulty levels from 4x4 to 9x9. Track solved puzzles and completion times. Complete puzzles daily for brain training.
Set custom minimum and maximum numbers for generation. Specify delay time before result appears. Enable dark mode for better visibility. Remove ads for an ad-free experience.
Merge numbers by sliding in eight directions to create higher values. Connect identical numbers first, then combine with multiples of two. Track progress and improve memory, concentration, and reflexes through gameplay.
Test cognitive skills with memory, typing, aiming, and reaction . Track scores and compare with friends. Record progress and view performance metrics. Play multiple game types to measure different abilities.