Solve Sudoku puzzles with varying difficulty levels. Input numbers manually or use pencil marks. Switch between grid sizes and themes. Track progress and restart puzzles. Share completed grids via social media.
Learn geography by identifying nearly 200 countries on an interactive map. Zoom, pan, and tap to select answers with sound effects. Purchase the to unlock all content. Track progress and challenge knowledge through map-based quizzes.
Play as a vampire to avoid sunlight and achieve high scores. Jump between platforms with precise touch controls. Compete in multiplayer mode against GameCenter users globally. Track progress and unlock achievements. Share scores on social media.
Play by removing pairs that add up to 13. Compete in single or multiplayer tournaments against real players. Deal additional cards when stuck. Track progress and train brain skills. Share achievements and compete globally.
Compete against others by entering item prices quickly and accurately. Use number keys to input prices and press "=" to submit. Track progress with speed and accuracy metrics. Win by completing all items faster than opponents.