Collect all 4 princesses' kisses in a multiplayer game.
Survive until 2:30 in a Back Off Barbarian match.
In a 4 player game, resuscitate each of your fallen comrades at least once.
Complete the Home Castle through Barbarian Boss areas without attacking any foes.
Navigate the Abandoned Mill without hitting any obstacles.
Using a catapult, fling a knight with maximum power.