Continuity mistake: In the ending cutscene of the G5-Building level, you will see you have come out of a plain wall, which you blew down before completing this level.
Continuity mistake: In the 2nd DataDyne level when Joanna punches the guard in the elevator, the guard is facing away from the elevator door and has his head below the wall. But in the next level, when the guard wakes up, he has his head down below the door, even though he was supposed to be unconscious.
Trivia: In the Chicago level, there is a piece of swiss cheese hidden inside the toilet seat in the bathroom.