There are a total of 12 achievements, worth 200 gamer points, available in the Xbox Live Arcade role-playing game Castle Crashers. The game can be purchased from Xbox Live for 1,200 Microsoft Points, which comes out to $15.IGN: GDC 2008: Castle Crashers Hands-on (February 21, 2008)

1. Kay Eye Ess Ess (15 points):
   • Collect all four princesses' kisses in a multiplayer game.
2. Traditional (20 points):
   • Complete the game using any character.
3. The Traitor (20 points):
   • Defeat any boss by playing one of his own minions.
4. Deer Trainer (20 points):
   • Navigate the Abandoned Mill without hitting any obstacles.
5. Conscientious Objector (20 points):
   • Complete the Home Castle through Barbarian Boss areas without attacking any foes.
6. Maximum Firepower (10 points):
   • Using a catapult, fling a knight with maximum power.
7. Animal Handler (20 points):
   • Collect all the animals.
8. Arena Master (15 points):
   • Win 40 Arena Ranked Matches.
9. Glork (15 points):
   • Win 20 All You Can Quaff Ranked Matches.
10. Melee Is Best (15 points):
    • Defeat any boss without using any magic.
11. Treasure Hunter (20 points):
    • Find and dig up ten buried items.
12. Medic! (10 points):
    • In a four player game, resuscitate each of your fallen comrades at least once.