Complex sentence: In similar style to the British equivalent, cash prizes offered on "The Mint" are bigger than those previously offered on "Quizmania", however prize winners are less often whereas "Quizmania" had more contestants more often winning prizes as low as $50.
Split into simpler sentences: In similar style to its British equivalent, cash prizes offered on "The Mint" are bigger than those previously offered on "Quizmania". However, prize winners are less frequent whereas "Quizmania" had more contestants winning prizes as low as $50.