Full list of all 12 Castle Crashers achievements worth 200 gamerscore. It takes around 15-20 hours to unlock all of the achievements on Xbox 360.
Win 40 Arena Ranked Matches.
Win 20 All You Can Quaff Ranked Matches.
Defeat any boss by playing one of his own minions.
Find and dig up ten buried items.
Using a catapult, fling a knight with maximum power.
Navigate the Abandoned Mill without hitting any obstacles.
Complete the Home Castle through Barbarian Boss areas without attacking any foes.
Defeat any boss without using any magic.
Collect all 4 princesses' kisses in a multiplayer game.
Complete the game using any character.
Collect all the animals.
In a 4 player game, resuscitate each of your fallen comrades at least once.