Contestants would be given ninety seconds to answer five general knowledge questions asked by Davidson.

Contestants may answer a question before the reading of it is completed ; however, a correct, anticipated guess does not earn extra points.

" Contestants had 20 seconds to ring in and answer as many questions as possible ; after this round, the TV immediately went " Off the Air " and the third-place contestant was eliminated.

Contestants were required to select at least one answer before passing control.

Contestants who successfully answer the second question have the option to play the third.

Contestants buzz in to answer the question.

Contestants with their markers set to " I know " but who don't get to answer get a point regardless of the actual answer.

Contestants continued to alternate turns until one player either gave an answer that did not fit the category and / or begin with the set letter, repeated a word ( including different forms of a word ), or ran out of time.

Contestants had to buzz in to answer the question.

Contestants alternated choosing categories to answer.

Contestants who get a question right receive 100 points — an incorrect answer means 100 points are deducted from their score.

Contestants answer questions in various categories to put up their respective symbol, X or O, on the board.

Contestants buzzed in to answer questions ; each right answer moved the contestant up one step while a wrong answer eliminated that contestant from the next question.

Contestants are required to evict one of their own on a regular basis ; in the earlier series of Big Brother, contestants were evicted every two weeks, however, as introduced in the UK version, evictions occurred once a week, all of the current series of Big Brother follow this format.

Contestants faced questions fired at them by a panel of four sports and entertainment celebrities for two minutes ; like Mastermind, there were two rounds of questions, however slightly different: The 1st round had each panelist's questions representing a different sports category pertaining to their area of expertise, and the 2nd round had no categories and the contestant couldn't control who asked the questions ; they were fired at random.

Contestants for the Prix were assigned a theme from the literature of Classical Antiquity ; their individual identities were kept secret to avoid any scandal of favoritism.

Contestants were asked to predict how many of those 100 people responded in a specific manner.

Contestants were also given " Clip Chips ," which allowed them to replace a card if they correctly guessed the outcome of a video.

Contestants were originally allowed to change cards at will ( even three times on one card ), but the rules were changed to one card per line in early 1986.

Contestants who used such calculators were often called " Curta-crankers " by those who were limited to paper and pencil, or who used computers linked to the car's wheels.

Contestants " in the house " who did not make the final five were Geoff Brown, Tere Joyce, Sean Kent, Dave Mordal, and Rob Cantrell.

MTV could only afford one square instead of nine, but otherwise the rules were unchanged: Contestants still had to get the X across, down, or diagonally.

Contestants who were successful at their challenges were rewarded with the coveted " GamesMaster Golden Joystick " trophy.

Contestants were required to perform tasks ( called " problems ") within a certain time limit which was counted down on a large 60-second clock.

Contestants were chosen from the studio audience and usually were married couples ; other pairs were engaged, dating, or were a familial relationship.

Contestants were introduced by the announcer, and prizes and gifts were presented by the other assistants.

Contestants Bunny and Xy were axed from the program in controversial circumstances.

Contestants were told the time for the Lightning Round, however, unless they measured it themselves, they could not tell how much time was left in the round.

Contestants cannot be required to start a run from an off-center alleyway, but contestants are not allowed to enter the arena and " set " the horse.

Contestants, regardless of their weight, are required to certify that they believe they are " in excellent physical, emotional, psychological and mental health.

Contestants will be aware of their scores, but not others ', and may resubmit to improve their scores.

Contestants accumulate a number of points over the course of the year ( often " season ") and their cumulative total after all meetings have been concluded determines the world champion.

Contestants have actually tried to crawl at 4 mph to survive after their legs gave out.

Contestants present their cosplay, and often to be judged for an award, the cosplay must be self-made.

Contestants from across the United Kingdom and Ireland competed in a series of rounds that tested their physical stamina and mental attributes.

Contestants individually complete this round in an isolation booth referred to as The Kube and their heart rates are also measured while they take this test.

Contestants are often addressed by their surnames, in reference to University Challenge.

Contestants design their fighters and submit them to the BBC.

Contestants can either send their videos in via mail on DVD or VHS, or, since 2008, upload them onto ABC's official website.

Contestants may use their currency to purchase needs for the house, such as food, rent items for personal use, such as hairdryer, or even purchase luxury items, like a helicopter ride.

* Studio ( competition length varies ): Contestants are asked to show off their creative skills in a competitive environment.

Contestants often had to balance something with some part of their body, or race back and forth on the stage ( for example, releasing a balloon, running across the stage to do some task, and running back in time to catch the balloon before it floated too high ).

Contestants stayed in their seats for the interviews.

Contestants are given names and occupations based on their team and physical appearance.

Contestants who do complete a challenge earn one or two points for their team ( maybe even more ).

Contestants would then be falsely encouraged and praised by the judges as well as the stylists, choreographers and vocal coaches ; in particular, they would be encouraged to try and stretch their vocal range far beyond what they could actually reach.

Contestants were not guaranteed the same number of spins as their opponent as on the original version of the show.

Contestants sprint down a twenty metre track ; their speed is measured close to the end, just before they run into an upright crash mat.

If the ineligible contestant is found to have won a One Bid, the contestants on Contestants ' Row at the time the ineligible contestant was playing and did not win a One Bid are entitled to return to the show, per game show regulations, as their appearance was compromised by an ineligible contestant, pursuant to all game show regulations.