Bethesda has released a DLC expansion for Indiana Jones and the Great Circle titled The Order of Giants. This expansion allows players to explore catacombs beneath Rome as Indiana Jones searches for a legendary Crusader helmet belonging to the Nephilim giant, Gibborim, while facing a mysterious cult. The DLC integrates into the main game after completing the Vatican level and offers an additional four to five hours of gameplay, featuring cutscenes, puzzles, and a new boss encounter. It emphasizes exploration and puzzle-solving, with new environments primarily set underground. The expansion utilizes enhanced graphics on PC, achieving a photo-realistic quality. Troy Baker reprises his role as Indiana Jones, delivering a performance that captures the character's essence.