This game involved contestants aiming to have all their bingo balls add up to 500.

Further rounds involved contestants being seated in a 'soundproof box'.

It involved four female contestants who competed for household appliances by describing how difficult their lives were.

The first version of the game involved three contestants being chosen at random, and then whittled down to one in a short quiz.

Game play involved three contestants answering questions in 90-second rounds, timed with a large hourglass.

It involves contestants aiming to knock each other over by grappling with a belt.

The show involved sixteen civilian contestants, known as recruits, participating in a real life military style boot camp 24 hours a day.

The contest lasted five months and involved twenty-eight contestants.

There would be four rounds, the last of which would involve three contestants over just one sandbag.

The game involved two contestants (three in the final series in 1990) trying to make connections by virtue of clues given by the host.