Costume Quest 2 has battle upgrades, extra costumes, more - Gematsu
Costume Quest 2 is a treat for fans and shows how Double Fine does sequels - Polygon
5 Inspirations Behind Costume Quest, Coming to PS3 October 19th – PlayStation.Blog
Costume Quest | Double Fine Productions
THQ Costume Quest Review: Costume Quest for PS3 and Xbox 360 follows a pair of trick-or-treating siblings who are swept into a fantastic mission to save Halloween - Games - Consoles -
Review: Costume Quest 2 – Destructoid
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Costume Quest: Grubbins on Ice - PlayStation 3 - GameSpy