What? Where? When?

The clock is ticking as contestants compete in games of lexical dexterity and numerical agility.

The Chase isn’t just a quiz… it’s a race, where the players must ensure they stay one step ahead of ‘The Chaser’, a ruthless quiz genius determined to stop them winning at all costs.

This game show sees contestants solve word puzzles, similar to those used in Hangman, to win cash and prizes determined by spinning a giant carnival wheel.

America's favorite quiz show where contestants are presented with general knowledge clues in the form of answers, and must phrase their responses in question form.

"Come on down!" The Price Is Right features a wide variety of games and contests with the same basic challenge: Guess the prices of everyday (or not-quite-everyday) retail items. 

Each Challenge pits numerous cast members from past seasons of reality shows against each other, dividing them into two separate teams according to different criteria, such as gender, which show they first appeared on, whether or not they're veterans or rookies on the show, etc. The two teams compete in numerous missions in order to win prizes and advance in the overall game.

I gathered 1,000 people to fight for $5,000,000, the LARGEST cash prize in TV history! We're also giving away a private island, Lamborghinis, and millions more in cash throughout the competition! Go watch to see the greatest show ever made!

In this reality competition show inspired by "Squid Game," 456 players put their skills to the ultimate test for a life-changing $4.56 million prize.

Quiz in which contestants try to score as few points as possible by plumbing the depths of their general knowledge to come up with the answers no-one else can think of.

Human cannonballs! Human pinballs! Crashes, smashes and mud splashes! Twenty-four thrill-seekers will compete in the world's largest extreme obstacle course designed to provide the most spills, face plants and wipeouts ever seen on television.

The Great Food Truck Race is a reality television series, that originally aired on August 15, 2010, on Food Network, with Tyler Florence as the host. It features competing food trucks. The fourth season premiered on August 18, 2013.

Status and strategy collide in this social experiment and competition show where online players flirt, befriend and catfish their way toward $100,000.

Players from all walks of life will compete to win up to £50,000. All living in one modern block but separately in individual apartments, the players will never come face-to.face, and can only interact with one another through an specially-designed app called The Circle.

A game show created in the United Kingdom, in which contestants attempt to answer general knowledge questions in an intimidating atmosphere in order to scoop the £1 million top prize. The original series was hosted by Chris Tarrant, and its modern-day revival is hosted by Jeremy Clarkson.

Each week, 20 contestants compete in a series of challenges in an attempt to win £10,000. These challenges are based in large pools of water or mud and generally involve large assault courses that participants must cross.

A high-stakes competition series where twelve players work together in challenges to add money to a pot that only one of them will win at the end. Among the players is one person who has secretly been designated "the Mole" and tasked with sabotaging the group's money-making efforts. In the end, one player will outlast their competition and expose the Mole to win the prize pot.

Wizarding World fans put their Harry Potter knowledge to the test for the ultimate honor to be named House Cup champion.

This reality competition sees teams embark on a trek around the world to amazing destinations where they must compete in a series of challenges, some mental and some physical. Only when the tasks are completed will they learn of their next location. Teams who are the farthest behind will gradually be eliminated as the contest progresses, with the first team to arrive at the final destination winning the race and the $1 million prize.

A talented cast of aspiring makeup artists live and work together as they attempt to prove their potential to industry professionals from a multitude of worlds from fashion to film. With regular eliminations, the challenges not only test their skills under pressure but also give them the opportunity to unleash their creative vision with jaw-dropping results.

A vocal contest reality series featuring people with real talent and great voices. Only the very best singers make it through the the blind auditions, the decisions from the four celebrity coaches are based solely on the voices they hear - and nothing else.

In a Temple filled with lost treasures and protected by mysterious Mayan temple guards, six teams of two children compete to retrieve one of the historical artifacts in the Temple by performing physical stunts and answering questions based on history, mythology, and geography. After three elimination rounds, only one team remains, who then earns the right to go through the Temple to retrieve the artifact within three minutes and win a grand prize.

The second version of the American television game show.

Card Sharks is an American television game show created by Chester Feldman for Mark Goodson-Bill Todman Productions. Two contestants compete for control of a row of oversized playing cards by answering questions posed by the host and then guessing if the next card is higher or lower in value than the previous one. The concept has been made into a series four separate times since its debut in 1978, and also appeared as part of CBS's Gameshow Marathon. The primary announcer for the first three series was Gene Wood.

Game$how Marathon is an American television program which aired on CBS from May 31, 2006 to June 29, 2006. It is based on the UK series Ant & Dec's Gameshow Marathon which aired on ITV in 2005. The show features contestants competing in some of television's most historically popular game shows, in a single-elimination format until an ultimate winner is found. Both the UK and US versions featured celebrity contestants. The US version was produced by FremantleMedia North America and Granada America and was hosted by Ricki Lake and announced by Rich Fields. In the US, the series only aired for a single season, while in the UK a second season aired in 2007, this time entitled Gameshow Marathon and hosted by Vernon Kay. This program was recorded at Stage 46, CBS Television City in Los Angeles, CA, USA.

Australian version of the reality singing competition where celebrities battle it out with one major twist: each singer is shrouded from head to toe in an elaborate costume, concealing their identity from the audience and the viewers at home.

One hundred contestants in top physical shape compete in a series of grueling challenges to claim the honor — and cash reward — as the last one standing.

In each episode, four strangers join forces to give unanimous answers to general knowledge questions. The longer the team takes to respond, the lower the cash prize. At the end of each episode, the participants must also divide the accumulated money into three unequal shares, again unanimously. To pocket as much money as possible, players have to be as convincing as they are clever, because every second counts!

Catchphrase is a British game show based on the short-lived U.S. game show of the same name. It originally aired on ITV in the United Kingdom between 12 January 1986 and 19 December 2002. It was presented by Northern Irish comedian Roy Walker from 1986–1999; followed by Nick Weir from 2000–2002, and Mark Curry in 2002. In the original series, two contestants, one male and one female would have to identify the familiar phrase represented by a piece of animation accompanied by background music. The show's mascot, a golden robot called "Mr. Chips", appears in many of the animations. In the revived version of the show, the same format remains, but there are three contestants. In August 2012, it was announced that Stephen Mulhern would host a revived version of the show beginning on 7 April 2013. On 21 August 2013, it was confirmed that Catchphrase has been re-commissioned for a second series, following the success of the first.

A Canadian reality television show in which a group of contestants, known as "house guests", are sequestered in the Big Brother House, under the surveillance of cameras and microphones, for the chance to win a grand prize of $100,000 by being the last remaining house guest. Each week, the house guests vote to evict one of their own until two house guests remain on finale night. The winner is decided by the last seven evicted house guests, known as the Big Brother Jury.

Battle Dome was a syndicated American television series that aired from September 1999 to April 2001. It combined elements of American Gladiators - inspired athletic competition with scripted antics more reminiscent of professional wrestling. Recurring character-athletes known as "Warriors" competed against weekly contestants in a variety of physically demanding events. The series was filmed at the Los Angeles Sports Arena and produced by Columbia TriStar Television. The entire first and second season of Battle Dome is available for purchase on iTunes and Amazon Instant Video.

Greed is an American television game show that aired on Fox from November 4, 1999 until July 14, 2000. The game consisted of a team of contestants who answered a series of multiple-choice questions for a potential prize of up to $2 million. The show was hosted by Chuck Woolery, with Mark Thompson serving as announcer.

"Come on down!" The Price Is Right features a wide variety of games and contests with the same basic challenge: Guess the prices of everyday (or not-quite-everyday) retail items. 

In a race with time, celebrity contestants desperately try to outmaneuver black-clad Hunters in pursuit, for a chance to win a growing cash prize.

Perfect Match is a game show that aired on Channel 4 from 2002

Bargain Hunters is a game show that aired on ABC in the summer of 1987, hosted by Peter Tomarken, which combined elements of The Price Is Right with home shopping. The show was canceled after nine weeks and replaced by reruns of Mr. Belvedere.