on *:TEXT:$($me $+ *):#:{

  if ($2 == higherlower) {

    if (%higherlower) { halt }

    else {

      set %higherlower $rand(10,99)

      set %higherlower.number $rand(1,%higherlower)

      msg $chan Guess a number between 1 and %higherlower $+ . What could it be? Guess it with $me guess <number> 

      echo -a Number: %higherlower.number

    }

  }  

  if ($2 == guess) {

    if (%higherlower.number) && (%higherlower) {

      if ($3 isnum) {

        if ($3 > %higherlower.number) {

          msg $chan Nice try $nick $+ , but the correct number is lower than $3 $+ ! Try again

          halt

        }

        if ($3 < %higherlower.number) {

          msg $chan Nice try $nick $+ , but the correct number is higher than $3 $+ ! Try again

          halt

        }

        if ($3 == %higherlower.number) {

          msg $chan Good job $nick $+ , you guessed the correct number: %higherlower.number

          unset %higher*

        }

      }

      else {

        notice $nick Error, you need to type a number!

        halt

      }

    }

  }

}