Factual error: Many areas feature two Chinese lion statues. However, both lions are the same, when one should be male and the other female: the female one has a lion cub under her paw, while the male one has a small globe.
Continuity mistake: Indiana first meets Wu Han in this game, just a couple of weeks before the events of the Temple of Doom film. However, when he dies in that movie, he says they have been on many adventures together.