 Dr. Mario offers a multiplayer gaming mode in which two players compete against each other in separate playing fields . In this mode , the player 's goal is to clear their own playing field of viruses before the other player does . Eliminating multiple viruses or initiating chain reactions can cause additional capsules to fall onto the opponent 's playing field . A player wins a single game upon eliminating all the viruses or if the other playing field fills up . The first player to win three games wins overall . 
