[Ruby] Guessing Game

def check_for_answer(ans)
    guess = ans+1
    while true
        print "[*] Enter a guess... "
        guess = gets.chomp.to_i

        if guess < ans
            puts "  [*] Higher..."
        elsif guess > ans
            puts "  [*] Lower..."
        else
            puts "  [*] Correct!"
            break
        end
    end
end

def singleplayer
    puts "[*] You have entered Single Player"
    puts "\n[*] Now please enter the guessing range (i.e., from x to y [inclusive])"
    print "separated by a comma. "
    x,y = gets.chomp.split(',').map(&:to_i)

    check_for_answer(rand(x..y))
end

def multiplayer
    puts "[*] You have entered Multiplayer."
    puts "[*] One player should enter a number while the other looks away."
    puts "[*] Enter answer: "

    answer = gets.chomp.to_i

    system("clear")

    puts "[*] Now bring in the guesser..."
    puts "[*] Hey, guesser. The range is #{answer - rand(0..answer)} to #{answer + rand(1..answer)}"

    check_for_answer(answer)
end

def main
    puts "#----------------#"
    puts "# Number Guesser #"
    puts "#   by oaktree   #"
    puts "#----------------#"
    print "\n"*2

    puts "[*] Here are your options:"
    puts "1. Single Player"
    puts "2. Two Players"

    print "[*] Choice? [1/2] "
    input = gets.chomp.to_i

    if input == 1
        singleplayer
    else
        multiplayer
    end
end

main()