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.
Achievements they've won
Achievements they've not won
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.
Defeat any boss without using any magic.
Win 40 Arena Ranked Matches.
Win 20 All You Can Quaff Ranked Matches.
Collect all 4 princesses' kisses in a multiplayer game.
Complete the game using any character.
Defeat any boss by playing one of his own minions.
Navigate the Abandoned Mill without hitting any obstacles.
Using a catapult, fling a knight with maximum power.
Collect all the animals.
Find and dig up ten buried items.