How to install Run npm i vch-frontend-project-lvl1 for install this package. Game 'brain-even' Run brain-even for start the game. Game 'brain-calc' Run brain-calc for start the game. Game 'brain-gcd' Run brain-gcd for start the game. Game 'brain-prime' Run brain-prime for start the game. Game 'brain-progression' Run brain-progression for start the game.