Complex sentence: It is a member of the Multi-State Lottery Association (MUSL), whose flagship game is Powerball; however, Maine does not offer any of MUSL's other games as of now, such as Hot Lotto.
Split into simpler sentences: It is a member of the Multi-State Lottery Association (MUSL), whose flagship game is Powerball. The Maine Lottery, however, does not currently offer any of MUSL's other games, such as Hot Lotto.