Rent The Grim Adventures of Billy & Mandy for GC
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The Grim Adventures of Billy & Mandy

Not Rentable
Also on:PS2, Wii, GBA
GF Rating
7.4

227 ratings

Cheats, Codes & FAQs

Unlock Boogey

Finish Mission 9 in Tier 4 in Mission mode.

Unlock Chicken

Finish Story mode as all characters and accumulate 10 hours of gameplay.

Unlock Dracula

Finish Mission 5 in Tier 3 in Mission mode.

Unlock Eris

Finish Story mode as Billy, Mandy, Grim, or Irwin.

Unlock Fred Fredburger

Finish Story mode as Billy, Mandy, Grim, or Irwin

Unlock General Skarr

Finish Mission 6 in Tier 4 in Mission mode.

Unlock Hoss Delgado

Finish Mission 9 in Tier 1 in Mission mode.

Unlock Jack O'Lantern

Finish Mission 9 in Tier 2 in Mission mode.

Unlock Lord Pain

Finish Mission 9 in Tier 5 in Mission mode.

Unlock Mogar

Finish Story mode as Billy, Mandy, Grim, or Irwin.

Unlock Nergal Jr.

Finish Mission 9 in Tier 3 in Mission mode.

Unlock Nergal

Finish Story mode as Billy, Mandy, Grim, or Irwin.

Unlock Nerglings

Finish Story mode as all characters.

Unlock Vikings

Finish Story mode as all characters and destroy every letter in the credits sequence.

Alternate costumes

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