A beat' em-up role-playing game, sequel to Dungeons & Dragons: Tower of Doom, that allows up to four players to choose one of the following characters: an elf-mage/warrior, human-fighter, dwarf-fighter, human-cleric, human thief or a human mage. Shadow over Mystara has many game mechanics not commonly found in arcade games, such as finding and equipping new gear and earning new spells as the player gains experience Throughout the game, players must fight and solve puzzles, also the group may choose to take different routes during the quest, leading to multiple endings.