ACHIEVEMENT - HOW TO UNLOCK Avalanche! - Survive Momma Yeti's cave-in. Chihoohoo's Test - Prove your worth to Chihoohoo in a rumble with his guards. City Enforcer - Force your way through Warmachine to get into Bad City. Dr. Maybee's Ultimatum - Make the tough choice when confronted by Dr. Maybee. Dreamer - Complete a Dojo training session. Heart of Gold - Collect a full heart container. Hoarder - Purchase all the shop items. Luminescent Danger - Triumph over the dangers deep beneath the sea. Novice Collector - Purchase a store item. Unleash the Guru - Start a Co-op game. Up Up and Away - Catch an Umbrella Seed to the Old Man Mountains. Winning - Achieve a perfect status on every level.