platinumpt
Skilled Gamer
Here is a mini save set for Costume Quest. It will unlock some but not all trophies.
Battle Stamps Save: go around and hit various objects to get to 600 candies, then go talk to the girl in the town to buy the last battle stamp. You can play the final battle by going up to the hill to clear the game. There is one final quest in the mall area to get the all quests trophy. There is all but one costume unlocked. You can finish unlocking it by completing the quest and attack various monsters to get the all battle abilities trophy.
Spooky Treats: keep playing the game and defeating enemies in the third area to get all of the spooky treat cards. You may unlock other trophies as well