Solve puzzles by filling a grid with numbers that add up to given clues. Each row and column must contain unique digits. Complete the grid by ensuring all sums match clues and no duplicates exist in any sum.
Identify silhouettes of objects, people, landmarks, and animals. Tap to select answers from multiple choices. Track progress and compete with friends in timed challenges. Share scores and view hints for difficult clues.
Play NBack to train working memory with audio and visual sequences. Set personal goals, receive reminders, and track progress. Compete on global leaderboards and view performance metrics over time.
Offers memory, vision, and calculation exercises through games like Dice and Signs. Users can track progress, monitor age, and complete daily mental workouts to improve cognitive skills.
Solve puzzles by filling grids with digits. Enter numbers in rows and columns to match clues. Avoid repeating digits in any row or column. Access a large library of free puzzles. Track progress and restart puzzles.
Play puzzles with adjustable difficulty levels. hidden in colorful grids. Complete daily challenges and track progress. Compete with friends and global players. Adjust puzzle size and theme. Save and resume games. Share high scores.