ACHIEVEMENT - HOW TO UNLOCK All Decked Out - Collected all Creepy Treat Cards. Battle Buds - Defeated a monster in combat with a friend by your side. Binary Bouncer - Used the Robot Costume to Boost off of 15 different ramps. Birdbrain Beatdown - Defeat Araxia in battle. Chompin' Champ - Won all prizes in Bobbing for Apples. Do the Monster Bash - Got the jump on 10 monsters. Downsized! - Defeated BoJonn in battle. Dozer Dodger - Defeated Metxel in battle. Dressed to Quest - Acquired 5 Costumes. Jeeper Peepers - Acquire the Eyeball costume. Leave some for the rest of us! - Collected a total of over 4,000 candies. Make it Work - Won the Autumn Haven Mall Costume Contest. Mask-O'-Raider - Completed all Quests in the game. Master of Disguise - Used every Costume Ability in battle. Playin' Hooky - Use the Pirate Hook on 5 unique ziplines. Revolutionary Hero - Complete all quests in Repugia. Short Stack - Find the mysterious visitor in the cliffs of Repugia Sweet Justice - Finished the game! The Last Gourdian - Acquired the Pumpkin Costume. They'll be worth a lot someday - Collected all Battle Stamps. Tisn't the Season - Play Costume Quest on Christmas.