The model of wax cylinder phonograph used by Dr. Fuller has a horn and needle which move along a rail when in use. However, this assemblage is not shown to move when used.
The revolver that Mr. Drake points at Mr. Pierce is quite obviously empty; the cylinders can be seen through.
Spelling and grammar mistakes in in-game text.
Dr. Coleen instructs a nurse to inject a patient, but no injection can be seen to take place.
The pistol seems to be able to fire infinite rounds despite having a maximum capacity of 8 rounds.