While sleeping in his castle, Wario is robbed by Captain Syrup and the Black Sugar Gang. With his castle ransacked and his ill-gotten treasure stolen, Wario gives chase, determined to steal it all back.
Wario takes no damage when attacked, but he may be pushed away and lose Coins. He may also be transformed into a range of different forms that can help him find new areas and treasure rooms. Muscle your way through each stage and try to catch Syrup in one of the game's many alternate endings.
Two versions of this game were released, one for the original Game Boy and one featuring Game Boy Color enhancements.
One of the secret options you can unlock is Flagman DD, based on the Game & Watch title, Flagman. Dangerous Duck replaces the pirate character from the original game.
It is also worth noting that Flagman DD is actually based on the version of Flagman that appeared in Game Boy Gallery, a PAL-region-only Game & Watch compilation. They share many of the same graphics and the same border when played on a Super Game Boy.