Page "The Challenge (TV series)" Paragraph 14

* Ruins: Two teams of " Challengers " and " Champions " based on whether players have won a previous season's final challenge.

Prior to each challenge, each team nominates a group of three males and three females within the team for elimination ; after that challenge, the winning team's nominated group picks the matchups for the " Ruins ", which consist of a male Challenger against a male Champion, and a female Challenger against a female Champion.