Hexlet tests and linter status: An application for brain development Five different games Three exciting rounds New tasks every time Game brain-even This game calculates a quotient number or not. Starting the game on command $ brain-even Game brain-calc This game asks random mathematical expressions every tim. Starting the game on command $ brain-calk Game brain-gcd This game asks you to calculate the GCD Starting the game on command $ brain-gcd Game brain-prime Here you have to determine whether the number in front of you is simple or not Starting the game on command $ brain-prime Game brain-progression Each round has a new progression, and new examples. Starting the game on command $ brain-progression Good luck to you