Continuity mistake: After her victory, Lara checks her surroundings, and then puts on her red glasses. The rope of hair in front of her face is behind her left lens. She then turns her head and suddenly that same rope of hair is out and in front of the center of her glasses.
Continuity mistake: When Nathan sees the snake, he gets scared and quickly stumbles back and falls on his butt. He begins scooting back a decent distance from the snake. But angles from by the snake show him still close to it. The rock behind him is also there or not depending on the angle.