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 are ranked on how many correct answers, and if two or more players are tied they each receive the same number of points.

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 who became champions of the Tyne would often challenge the corresponding champions of the River Thames, and the race would be arranged to take place on one of the two rivers.

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

Contestants now called a third number in the first game if the first two picks did not match ( later changed to having a third pick in both games ).

* Prize Round # 1: Contestants got two spins.

Contestants who made it to the bonus round in season two later returned to compete in a tournament with a top prize of $ 250, 000.

Contestants come in teams of up to five persons, and have two or three teams quizzing in a round.

Contestants can enter the race in one of three categories: canoes, kayaks, and crazy crafts ( homemade crafts ).

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 won three times earned cash prizes, scholarships, or participation in a traveling stage show associated with the program.

Contestants won this jackpot if they won three ( originally four ) consecutive games.

Contestants received marks out of ten from the four judges in three categories such as " presentation ", " content " and " star quality "-The " star quality " category was later replaced by " entertainment value ".

Contestants on the winning team took turns entering the Fun House and tried to grab a series of red and green tags ( three tags per player per turn ) in each room in the Fun House.

Contestants on horseback run a cloverleaf pattern around three barrels set in a triangle in the arena.

Contestants were presented with a headline and three related facts, one of which was incorrect.

Contestants can work alone or in groups of up to four people.

Contestants who successfully negotiated seven ( later four ) rounds of targets won a reasonable prize ; those who missed got a negligible prize.

Contestants spend four months raising money individually and as groups.

Contestants are awarded points for every question answered correctly, and there are four rounds: the first and third consist of 15 toss-ups and the second and fourth contain 10 toss-ups with the potential for bonus questions on a correct toss-up response.

Contestants would win a new car as a consolation prize if they had reached the $ 8, 000 question.

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

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 who chose this option were often invited to take an unofficial spin to see if the Devil would have come up next.

Contestants drew numbers to determine who spun the wheels first — and, in the $ 1, 000, 000 tournament, also which game of each round the contestant would play ( odd numbers spin first, even second ).

Contestants were spotted $ 200 to start the round, and host Clark would read a series of rapid-fire questions.

Contestants would have to do the traditional Bop It tasks, but as an added challenge, " Stomp it " and " Chomp it " were made.

Contestants would sing and their performance would be assessed by judges present at the show itself, and also by the public.

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

Contestants had to guess the woman that Stud Boy was describing.

Contestants could hit a lockout buzzer to guess the subject at any time.

Contestants must guess the title of the song the mismatched lyrics are from.

Contestants alternated having to guess the year that an event from the world of sports took place.

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

Contestants strive to arrive first at " pit stops " at the end of each leg of the race to win prizes and to avoid coming in last, which carries the possibility of elimination or a significant disadvantage in the following leg.

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

Contestants wearing flippers jump into a swimming pool from a platform, the height of which is gradually raised.

Contestants take a short run-up to a lubricant-coated track, on which they skid.

Contestants who receive spins passed to them must play those spins, unless they land on a Whammy, at which point the remaining passed spins are combined with that contestant's total of earned spins ( if any remain ).

Contestants are asked to choose, in turn, one subject on which to receive a question.

Contestants must use preselected development environments which are typically new to them, having only been given a quick crash course about the environment in a presentation before the contest begins.

Contestants can choose to play a " Surpresinha " entry, which will generate their numbers randomly much like the " Lucky Dip " option offered by other lotteries.