How do you unlock the extra studio sets for the PS2 version of Family Feud?

To unlock the extra studio sets in the PS2 version of Family Feud, you need to complete certain challenges or achievements in the game. Typically, this involves playing through the game and winning a specific number of rounds or matches. Additionally, some sets may be unlocked by reaching certain milestones or scoring thresholds. Check the game's manual or online guides for detailed requirements for each specific studio set.