By name in photos of garden and wildflowers. Choose between two spelling quizzes with increasing difficulty or multiple-choice questions with 3 lives. Select from 4 or 6 answer options.
Learn flags, countries, capitals, currencies, and more through quiz games. Play six quiz modes with nine difficulty levels each. Track progress with leaderboards and unlock 50 achievements. Test knowledge and compare scores with other players.
Practice with arithmetic exercises covering multiple difficulty levels. Solve problems in various categories. Download a free printable workbook. Remove ads to access offline mode and all features without internet.
Navigate through periods to solve puzzles and progress through the story. Use hints when stuck and auto-save progress. Switch between English and Japanese language settings.
Generate PINs with specified lengths. Create numbers within defined ranges. Generate passwords using customizable templates. Shuffle lists and reorder items. Set custom sorting criteria for lists. Export generated data in text format.
Play correspondence with real players. Challenge friends or compete in ranked matches against similar skill opponents. Manage multiple simultaneous games. Receive push notifications for pending moves. Track skill progression using Elo rating system.
Play by filling a 9×9 grid with digits 1-9. Choose from easy, medium, hard, master, or free difficulty modes. Solve puzzles with diagonal, odd-even, or irregular variations. Track progress and adjust difficulty step by step.