Dragon Quest Monsters 2 Iru to Luca no Fushigi na Fushigi na Kagi, known in Japan as Dragon Quest Monsters 2 (ドラゴンクエストモンスターズ), is a video game published by Enix for the Game Boy Color. It is the second Dragon Warrior Monsters game for the Game Boy Color and features two different versions of the same game, Cobi's Journey (released as Dragon Quest Monsters 2: Ruka's Journey in Japan) and Tara's Adventure (released as Dragon Quest Monsters 2: Iru's Adventure in Japan). This was the last Game Boy Color title released in North America that was also compatible with the original Game Boy and enhanced for the Super Game Boy.