Simple games for fun:
brain-even: is it even number?
brain-calc: calculate result of the expression.
brain-gcd: find the greatest common divisor of given numbers.
brain-progression: find is missing number in the progression.
brain-prime: is it prime number?
$ npm i @smashtakov/braingames #install games
$ brain-games #run welcome
$ brain-even #run brain-even game
$ brain-calc #run brain-calc game
$ brain-gcd #run brain-gcd game
$ brain-progression #run brain-progression game
$ brain-prime #run brain-prime game
