Underworld Unfinished Business 4: Taking Care of Business (2007)

The fifth entry in The Lizard King series. This is a fan-made standalone game that uses the Tomb Raider The Last Revelation engine while creating its own story and puzzles. This TRLE was placed in the trle.net hall of fame in 2008.

• Release Date: January 29, 2007
• Developer: Richard Lawther