After the credits finish a line reads "Perfect Dark is Forever". After that the words Perfect Dark move across the screen to music and will not end unless the player presses a button.
After end credits, there is a scene with Elvis's hoverbike escaping Area 51
In the end credits, instead of it saying voice cast, the cast is listed below the credit saying Voices in the dark.
In the Nintendo 64 version at the start of the game, the Nintendo 64 logo transforms into the Datadyne symbol