Arle no Bouken: Mahou no Jewel

Arle no Bouken: Mahou no Jewel is a role playing game developed and published by Compile for the Game Boy Color; it was released on March 31, 2000. The game revolves around the collection of cards, each of which contains a monster. Madou Monogatari/Puyo Puyo protagonist Arle Nadja and her usual foes, such as Skeleton T and Schezo Wegey, use these monsters to assist them in battle.