Sukhothai is a large region in Indiana Jones and the Great Circle with numerous quests and side activities to complete. One such Fieldwork side quest is 'Lost in the Past,' which takes Indy on a trip down memory lane. Consequently, 'Lost in the Past' is a quest that seems designed to be deliberately disorientating, featuring various puzzles and objectives to unravel as Indy goes through a dream-like level that shifts and changes with almost every turn. For those struggling to complete this quest, below is a detailed walkthrough of 'Lost in the Past' to help you find your way.