The Belldandy Adventures of Billy & Mandy

The Belldandy Adventures to Billy & Mandy (also known as The Grim Adventures of Billy & Mandy X Oh! My Goddess!) is an action RPG.

Playable Teams

 * Billy (Partner: Mandy)
 * Grim (Partner: Lord Pain)
 * Keiichi Morisato (Partner: Belldandy)
 * Urd (Partner: Skuld)

Unlockable Teams

 * Fred Fredburger (Partner: Jeffrey the Spider)
 * Hoss Delgado (Partner: Irwin)
 * Nergal (Partner: Nergal Jr.)

Gaming for Goddesses 101
The tutorial level.
 * Players: Grim

The Big Adventures of Billy & Mandy
Billy and Mandy must stop Skarr and his army from taking over the neighbourhood. After defeating Skarr, they meet Belldandy who have a big pumpkin pie to bake.
 * Players: Billy
 * Enemies: Clown, ECC Soldier, Schlub
 * Bosses: Gen. Skarr

Pumpkin Reaper
Mandy & Belldandy got a big pumpkin pie to bake and Jack would make a good ingredient. After saving Urd & Skuld from Jack's clutches, she was informed that Peorth is in the hands of Nergal.
 * Players: Billy, Keiichi
 * Enemies: Pumpkin, Bat, Zombie
 * Bosses: Jack O'Lantern

Welcome to the Centre of the Earth
Lord Pain teams up with his old master and journeys to the centre of the earth to save Peorth from being friends with Nergal. After saving Peorth, she tells him that Hild plans to rule the earth.
 * Players: Grim
 * Enemies: Nergaling, Zombie, Demon
 * Bosses: Nergal Jr., Nergal