RYL: Dark Betrayal is a persistent universe or role-playing game (RPG). In the game, players assume the role of a Warrior, Cleric, Wizard, or Thief (over 20 classes) and explore the many beautiful and exotic locations within the game where they meet other players, complete quests, fight monsters and other players. Massively multiplayer online games are computer games in which thousands of players can play simultaneously through the Internet.