Bronze:
Traditional
Objective: Complete the game using any character.
The Traitor
Objective: Defeat any boss by playing one of his own minions.
Deer Trainer
Objective: Navigate the Abandoned Mill without hitting any obstacles.
Maximum Firepower
Objective: Using a catapult, fling a knight with maximum power.
Animal Handler
Objective: Collect all the animal orbs.
Melee is Best
Objective: Defeat any boss without using magic.
Treasure Hunter
Objective: Find and dig up 10 buried items.
Medic
Objective: In a 4 player game, resuscitate each of your fallen comrades at least once.
Social Networker
Objective: Reach 20 hits in a single Volleyball rally.
Silver:
Kay Eye Ess Ess
Objective: Collect all 4 Princesses' kisses in a multiplayer game.
Conscientious Objector
Objective: Complete the Home Castle through the Barbarian Boss areas without attacking any foes.
Arena Master
Objective: Win 40 Ranked Arena matches
Gold:
You Are Insane
Objective: Complete Insane mode and become the ultimate Castle Crasher.