Costume Quest v1.0 (by Double Fine Productions)

Costume Quest is a Halloween adventure from Tim Schafer's Double Fine Productions. In this charming role-playing game, choose your hero and trick-or-treat through three beautiful environments full of Double Fine humor and story. Complete quests, build your party, and collect costumes along the way that allow you to transform into powerful champions and take down the evil Repugians. This heroic holiday tale will capture the imaginations of kids and kids-at-heart.
Continue the Costume Quest adventure with the Grubbins on Ice DLC pack, included free in the PC version! Face new enemies while collecting additional quests, costumes, battle stamps and creepy treat cards. Help the monsters overthrow Araxia to bring peace back to Repugia!

Play as Wren or Reynold, twin siblings who absolutely adore each other, in this adventure role-playing game. Explore the suburban neighborhoods, a monster-infested shopping mall, and a mysterious town carnival.
Find hidden items, complete quests, and meet colorful characters along the way. Use the special abilities of your costumes to puzzle your way through blocked areas. Stuff your candy pail with tasty treats while using your wit, bravery and magical costumes to rid each neighborhood of creepy monsters!

System requirements:
• Windows XP/Vista/7
• DirectX 9c
• 2 GHz
• 1 GB RAM