Reality titans from the CBS universe compete in the most unpredictable and demanding game of their lives. With an ever-changing game, players are in a constant state of paranoia, unable to trust anyone but themselves. The CBS all-stars compete for a chance to join the upcoming global “War of the Worlds” championship.

A group of friends go through the trials and tribulations of life during college.

American version of the reality game show which follows a group of HouseGuests living together 24 hours a day in the "Big Brother" house, isolated from the outside world but under constant surveillance with no privacy for three months.

In this social experiment, smoking-hot celebrity singles think they're running away to paradise for a once-in-a-lifetime romantic vacation full of fun and sun. But just as the party is getting started, unwanted guests arrive to break up their good time.

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.