Dominik Diamond did not present the third series because he disagreed with the program being sponsored by McDonald's.
A spin-off magazine of the same name was launched in 1993 and remained in print in the UK for 20 years after the series ended, finally ceasing in November 2018.
The final episode ended with a post-credits clip of Patrick Moore (the GamesMaster) walking out of the studio building, getting into a taxi and waving goodbye as it drove off.
Nicholas Parsons was originally chosen to play the Gamesmaster. The application of the facial distortion techniques didn't work properly.
Each series had a different themed setting, beginning with a church, then an oil rig, a prison, Hell, Heaven, Atlantis and a desert island.