Indiana Jones and the Great Circle will introduce a New Game+ mode as part of a complimentary anniversary update on October 10, celebrating the 15th anniversary of its developer, MachineGames. This mode allows players to replay the game while carrying over collected Adventure Books, unspent Adventure Points, local currency, and medicine bottles. The update also includes a new "Cairo outfit" for Indiana Jones, the ability to mix and match voice and text languages, and various general fixes and improvements across missions, quests, UI, and localization. Specific fixes include resolving animation issues, audio problems, and glitches related to gameplay mechanics and item interactions.