Ruby newbie question on Methods (NoMethoderror)

I have recently started learning ruby and so I am writing a small little
program that takes user input and display on screen.

I am using Aptana Studio 3 as well.

I am getting a small error that says the following:

C:/Users/Gemini/Documents/Aptana Studio 3
Workspace/rubyProject/rubyTest.rb:51:in `<main>': undefined method
`games' for main:Object (NoMethodError)

My Code here where the problem exists:

puts "Would you like to play a game?(Y/N)"
userAnswer = gets.chomp
puts "You said #{userAnswer}"

if userAnswer == "Y"
    puts "Please choose from the list below:"

    games = ["Pacman", "Mario Brothers", "Bomberman"]
    puts "#{games}"

    puts "Select between 0 and 2 to select your game of choice"
    selectGame = games(gets.chomp)
    puts " You chose #{selectGame(gets.chomp)}"

  elsif userAnswer == "N"
       puts "Do you not like games?(Y/N)"
       userAnswer = gets.chomp

  else puts "You did not choose an option!"

end

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