Greed

Are You Smarter Than a 5th Grader? is a television game show format based on posing grade-school level questions to adults, hosted by Jeff Foxworthy. This television show began broadcast on the Fox Broadcasting Company network as a special in the United States and Canada on February 27, 2007, and it grew to be popular enough that a half-hour-long syndicated TV series was developed by the owners.

The Book Quiz is a literary panel show. The first series, broadcast in 2007, was hosted by David Baddiel with a second 2008 series was hosted by Kirsty Wark.

Ciao Darwin is a variety game show format from Italy sold under licence to several countries, including Romania, Hungary, Poland, Serbia, Canada, USA, China and Greece. There are two competing teams of about 50 people each, usually made up of people who fit certain opposing stereotypes. In each game two members of the audience are selected at random, one from each team, indicated by a light in front of them which remains illuminated when all the other team members' lights have gone off. The games involve contestants competing in acts of bravery, style and talent, some of which are designed to humiliate the contestants, especially an assault course which was introduced with the Italian version in 2010, and the Finale which is a water tank game.

Takeshi's Castle was a Japanese game show that aired between 1986 and 1990 on the Tokyo Broadcasting System. It featured the Japanese actor Takeshi Kitano as a count who owns a castle and sets up difficult challenges for players to get to him. Contestants throw themselves into daunting physical challenges as they attempt to storm Takeshi's Castle and win the grand prize of one million yen. The show has become a cult television hit around the world. A special live "revival" was broadcast on April 2, 2005, for TBS's 50th anniversary celebrations.

Secret Talents of the Stars is an American interactive reality game show where celebrities competed against each other in a tournament-like format in areas that differed from their normal professions, like singing, dancing, and acrobatics. Viewers were to vote on the most talented celebrity. The show premiered on CBS on April 8, 2008, but was canceled the following day due to low ratings, making it one of the few series to be canceled after one episode.

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.

Host Rosie Jones pits Katherine Ryan and Judi Love's teams against each other in judging 'Rosie's Regulars'. Comedians compete in hilarious rounds, before one of the regulars play for a cash prize.

Hider in the House was a British children's game show presented by Jason King and Joel Ross. In the programme, a celebrity had to be hidden in a family's house by three children and a parent. If the family have fewer than three children, they use friends or related children to make up the numbers. The other parent of the family thinks they are taking part in a totally different programme. The children involved must undergo a series of tasks to win prizes which they will receive if the unaware parent does not work out what is really happening. The tasks are sometimes very messy or involve getting the unaware parent to do strange things. The format, was devised by Eyeworks UK, won the Best Entertainment prize at the 2008 Rose d'Or ceremony.

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

Featuring the country's best a cappella groups performing popular songs like you've never heard them before. There's no lip-synching, backup bands or safety net. They'll be singing for America's vote, with the winner walking away with the ultimate prize - a Sony Music recording contract and $100,000.

"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. 

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!

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.

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.

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.

Celebrity Family Feud pits celebrities and their families against each other in a contest to name the most popular responses to survey-type questions posed to 100 people.

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.

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.

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.