They haven't done a real:
, where a group of wannabees are stranded on a tropical island and have to fend for themselves for a month, then the audience votes for the one winner from those who survive!
, where a convicted murderer is chased down and killed by trained assassins.
, where martial artists have to endure a gauntlet of Ninja in order to survive, with the audience choosing a winner.
Sink or Swim
, where contestants are stranded aboard a sinking boat 12 miles off shore and have to decide whether to sink or swim!!