Challenge is an educational game for children and families. Practice essential school subjects through fun, fast-paced quizzes — no pressure, just play. Topics include maths (computations, roman numerals, geometry), vocabulary (definitions, synonyms, antonyms, word nature), spelling (missing letters, hangman, word shuffle), and geography (world capitals, flags, French departments and prefectures). Choose from three game modes: Duo (2 choices), Quad (4 choices), or Type it (free answer). Create separate profiles for each player, track scores and streaks, and pick the difficulty level that fits. No ads. No in-app purchases. Safe for children.