It's fair to say that the PS3's Buzz! Quiz TV was a roaring success. Awarded 4 stars last issue, we were impressed by its raucous character, wide variety of questions, online integration and the terrific wireless buzzers. With their grip on the home console quiz market tightened, Relentless turn to the PSP with Master Quiz, allowing you to take your trivia on the train. But how exactly can you transfer what makes Buzz! such a success without a front room packed full of braying pals?