The Grim Adventures of Billy & Mandy Hints, Tips

Play as Chicken

Successfully complete Story mode with all characters and accumulate 10 hours of game play time to unlock Chicken.

Play as Eris

Successfully complete Story mode with Billy, Mandy, Grim, or Irwin to unlock Eris.

Play as Fred Fredburger

Succe.ssfully complete Story mode with Billy, Mandy, Grim, or Irwin to unlock Fred Fredburger.

Play as Hoss Delgado

Successfully complete Mission 9 in Tier 1 in Mission mode to unlock Hoss Delgado.

Play as Mogar

Successfully complete Story mode with Billy, Mandy, Grim, or Irwin to unlock Mogar.

Play as Nergal

Successfully complete Story mode with Billy, Mandy, Grim, or Irwin to unlock Nergal.

Play as Nerglings

Successfully complete Story mode with all characters to unlock Nerglings.

Play as Vikings

Successfully complete Story mode with all characters and destroy every letter in the credits sequence to unlock Vikings.

Alternate costumes

Successfully complete Story mode with any character to unlock an alternate costume for that person.