Underworld Unfinished Business 2: Ghost Train at Castle Orr is an action game available on Windows, serving as the third entry in The Lizard King series. This fan-made standalone game utilizes the Tomb Raider: The Last Revelation engine, showcasing a unique storyline filled with engaging puzzles. Players can expect a blend of exploration and adventure as they navigate through intricately designed levels.

The game was honored in the trle.net hall of fame in 2005, a testament to its quality and creativity. With its immersive gameplay and compelling narrative, players are invited to uncover the mysteries of Castle Orr while enjoying the nostalgic mechanics reminiscent of classic Tomb Raider titles. This full version promises an exciting experience for fans of the genre.