This page contains Grabbed By The Ghoulies Unlockables for Xbox called "Mini-game challenges" and has been posted or updated on Feb 6, 2009 by grant.a06.
- Developer: Rare Ltd.
- Publisher: Microsoft Game Studios
- Genre: Action Beat-'Em-Up
- Release: Oct 21, 2003
- ESRB: Everyone
For every five "Rare books" that you find, you will unlock a bonus mini-game challenge at the mini-game screen. There are 100 "Rare books" in the game, which unlock a total of twenty bonus mini-game challenges. There is one "Rare book" in every room of the mansion. Challenge #21 is unlocked by completing the previous twenty challenges with a "Gold" or "Platinum" rank.
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