All cheats for this game by platform: DVD videos
Enter the "Cast And Crew" screen, select "Kiefer Sutherland" and select the bloody knife on the first screen.Special thanks
Enter the "Neil Gaiman on Dark City" screen and select the postcard on the first screen.
Enter "The Metropolis Comparison: Original Weekly Variety Review" and select the postcard on the last screen.
Enter the "Cast And Crew" screen, select "Trevor Jones", and select the snow globe on the last screen.
Enter the "Cast And Crew" screen, select "William Hurt", and select the clock on the last screen.
Enter the "Set Designs" screen and select the syringe.