Challenger's Waiting Room
  Prisoner's Dilemma
  An Interactive Fiction
  Release 1 / Serial number 150512 / Inform 7 build 6M22 (I6/v6.33 lib 6/12N) SD
  
  Challenger's Waiting Room
  The challenge is this: to wait as long as you can endure to do so in a room with no features and no clock. If you wait longer than all the other contestants, you win.
  
  The only item in view is a black recessed button.
  
> >   Challenger's Waiting Room
  (Testing.)
  
  >[1] e
  You can't go that way.
  
  >[2] push button
  With a groan of gears, the east wall swings open! If you've lost now, well, you've lost...
  
  >[3] e
  
  Amid the Cheering Throng
  
  >[4] w
  
  Challenger's Waiting Room
  The challenge is this: to wait as long as you can endure to do so in a room with no features and no clock. If you wait longer than all the other contestants, you win.
  
  The only item in view is a black recessed button.
  
> >