static void Main(string[] args)
{
    while(true)
    {
        Console.Write("Choose an option (1, 2, 3)? ");
        var option = Console.ReadLine();

        switch (option)
        {
            case "1":
            case "2":
                Console.WriteLine("You did not win :(");
                break;
            case "3":
                Console.WriteLine("You won!");
                break;
            default:
                Console.WriteLine("This is not an option.");
                break;
        }

        Console.Write("Type quit to exit or press ENTER to continue...");
        var input = Console.ReadLine();

        // Make it all uppercase so we don't have to guess what the user typed in.
        // We just care about the word.
        if (input.ToUpper() == "QUIT")
        {
            // Break out of the loop which will end the app
            break;
        }

        // Clear the console of the previous inputs for a clean start
        Console.Clear();
    }
}