Revealing mistake: In the Escape Ending, as Arthur is rowing his boat, the oar clips through the body of the boat.
Revealing mistake: After getting the axe, Arthur uses it to cut through some boards blocking a tunnel. If you watch closely on the second swing, his arm is not connected to his body, with his sleeve having disappeared. But the sleeve is there on the third swing.
Revealing mistake: During the animation of lighting your cigarette, when Arthur brings his left hand up to cover the flame, his thumb passes right through the cigarette.
