Duke Nukem 3D

Bathroom Break : 

Once on LEVEL 2, Go to the comic shop and go in the back and find the bathroom. Go up to a urinal and press the SPACE BAR button. Duke will put his gun down and start to use the bathroom.

Opponent Viewpoint : 

Begin a modem multiplayer game and enable recording on the options screen. Then while playing a game, press K to view the game from your opponent's view point.