Space Quest 6 - Cyberspace
Walk off the edge of the gap in the highway at the start.
Guess you're about to find out if there's cybergravity.
Apparently, it does exist. As you plummet to your cyberdeath, you are confronted by a variant of an age-old question: if you fall and hit the ground within cyberspace and no one is there to hear it, will you make an audible splat?
Smooth move, ex-lax. Guess this cyberspace thing can be pretty painful - and I'm not just talking about the rates.