Complete the following tasks to unlock PlayStation3 trophy rewards.

Trophy reward	How to unlock
Amateur Quizwriter (Silver)	Create 20 MyBuzz! quizzes.
Buzz's New Best Friend (Platinum)	All trophies unlocked.
Casting Agent (Silver)	Play using every contestant.
Channel Hopper (Silver)	Play through a game on every channel.
Flawless Round (Silver)	Correctly answer all questions in a multiplayer round with all players.
He's On Fire (Silver)	Correctly answer ten questions in a row.
Lightning Reactions (Gold)	Correctly answer three questions in a row in under 0.5 seconds.
Lonesome and Loving It Bronze (Bronze)	Play five singleplayer games.
Lonesome and Loving It Silver (Silver)	Play 20 singleplayer games.
Lonesome and Loving It Gold (Gold)	Play 50 singleplayer games.
MyBuzz Enthusiast Bronze (Bronze)	Play one MyBuzz game.
MyBuzz Enthusiast Silver (Silver)	Play 20 MyBuzz games.
MyBuzz Enthusiast Gold (Gold)	Play 50 MyBuzz games.
Sofa Subjugator Bronze (Bronze)	Win over five games of Sofa vs. Sofa.
Sofa Subjugator Silver (Silver)	Win over 20 games of Sofa vs. Sofa.
Sofa Subjugator Gold (Gold)	Win over 50 games of Sofa vs. Sofa.
Sofa Surfer Bronze (Bronze)	Play one Sofa vs. Sofa game.
Sofa Surfer Silver (Silver)	Play 15 Sofa vs. Sofa games.
Sofa Surfer Gold (Gold)	Play 40 Sofa vs. Sofa games.
Socialite Bronze (Bronze)	Play five multiplayer games.
Socialite Silver (Silver)	Play 20 multiplayer games.
Socialite Gold (Gold)	Play 50 multiplayer games.
The Barnard Award Bronze (Bronze)	Score over 1500 points in a singleplayer game.
The Barnard Award Silver (Silver)	Score over 3000 points in a singleplayer game.
The Barnard Award Gold (Gold)	Score over 5000 points in a singleplayer game.