Calcul Mental Challenge

Turn mental math into a real educational video game, from elementary school to high school. 100% free, no ads, no in-app purchases.

Calcul Mental Challenge turns mental math into a true educational video game, from elementary school to high school!

10 GAME MODES

Classic Game: 20 questions adapted to your level with 6 styles (Normal, Expert, Time Attack, 3 Lives, Endurance, Exam) Times Tables Training: practice addition, multiplication, or division tables (1 to 15) Word Problems: contextualized exercises inspired by school textbooks Story Mode: explore 6 worlds (Forest, Volcano, Ocean, Desert, Space, Abyss), 48 stages, and 6 bosses Cross Numbers: a math puzzle mode inspired by crosswords Number Sequences: find the missing number in the sequence Equations: solve systems with 2 unknowns Chained Calculation: follow a chain of operations Time Attack: increasingly difficult questions, no mistakes allowed Challenge Friends: play the same questions as a friend and compare your scores

MULTIPLAYER & LEADERBOARDS

1v1 duel against a random opponent Battle Royale with up to 20 players Permanent public rooms available 24/7 Private room with your friends Global rankings (All Time, This Week, Today) School War: your school competes against others.

TEACHER MODE Create a session in 30 seconds: choose the class, level, and game mode. Students receive the same questions in real time. Live ranking, CSV and PDF export. Data stays exclusively on the school’s local network.