I became a cultural phenomenon, launching careers and memes alike, while showcasing intense drama and unexpected romances amidst cutthroat competitions. Which reality TV show am I?

1. The show's premise involves individuals living in a secluded location, vying for a grand prize.
2. Infamous for its dramatic eliminations often accompanied by surprise twists.
3. It often features challenges testing physical and mental strength.
4. Friendships and alliances are formed and broken frequently, impacting the game's outcome.