Underworld Unfinished Business 4: Taking Care of Business is a fan-made standalone action game that utilizes the Tomb Raider The Last Revelation engine. This game is the fifth installment in The Lizard King series, offering players an engaging narrative filled with unique puzzles and challenges. As players navigate through meticulously crafted levels, they will encounter a blend of action and exploration that mirrors the classic Tomb Raider experience while introducing new story elements.

Since its release, this title has been recognized for its quality, earning a place in the trle.net hall of fame inThe game provides an immersive experience for both fans of the series and newcomers alike, showcasing impressive level design and a compelling storyline that invites players to delve deeper into its world. With its full version available on the Windows platform, it caters to gamers seeking an action-packed adventure.