module URL
  NAMA_PILIHAN  = "RMID"      #Tulisan yang akan muncul pada perintah title screen
  URL_LINK = "http://www.rpgmakerid.com" #Alamat URL yang akan muncul
end

class Game_System
  def buka_file(nama_file)
    shell = Win32API.new("shell32", "ShellExecute", ['L', 'P', 'P', 'P', 'L', 'L'], 'L')
    shell.Call(0, "open", nama_file, 0, 0, 1)
  end
end
class Window_TitleCommand < Window_Command
  alias command_url make_command_list
  def make_command_list
    command_url
    add_command(URL::NAMA_PILIHAN, :urlshortcut)
  end
end
 
class Scene_Title < Scene_Base
 
  alias tambah_command create_command_window
  def create_command_window
    tambah_command
    @command_window.set_handler(:urlshortcut, method(:command_url))
  end
 
  def command_url
    $game_system.buka_file(URL::URL_LINK)
  end
end

$game_system.buka_file("<URL>")