Defeat the boss in Act 1.
Juggle an enemy together with another player.
Avoid getting hit during a battle sequence.
Defeat the boss in Act 2.
Defeat the boss in Act 3.
Defeat the boss in Act 4.
Complete a level with help from each of the four classes.
Reach the max level.
Unlock 100 different weapons.
Unlock 30 different armors.
Perform all the different combo finishers.
Earn gold medals on all levels.
Avoid all falling rocks in the Citadel level.
Complete all challenges using one character.
Kill 20 large enemies while riding a mount.
Kill 100 enemies by using the environment.
Complete all levels as the Warrior.
Complete all levels as the Ranger.
Complete all levels as the Mage.
Complete all levels as the Shaman.
Complete all levels in multiplayer.
Uppercut 4 enemies into the air at the same time.
Spend at least 4 seconds on each page of the 'how to play' section.
Complete all levels without dying.
Complete a level without taking any damage from enemies.
Deal over 9,000 damage with a single attack.
Avoid the minecarts in the Mine level.
Complete the Tank Garrison level without using the tank.
Avoid the acid attacks during the elevator ride in the Queen's Tower.
Kill the mini-boss in the Lost Metropolis without being hit by it.
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