Chocobo no Fushigi na Dungeon for WonderSwan

The story evolves from the opening movie when a fellow chocobo is "turned" evil by a crystal he finds in a garden. When the evil chocobo kicks you into a dungeon, the adventure begins. Travel through an ever changing dungeon, collecting items and weapons to become more powerful, so you can defeat the increasingly difficult enemies.

First portable entry in the Chocobo's Mystery Dungeon series. Released for the WonderSwan in 1999.