A BUNNY'S LAMENT - the 2k13 Easter Event
User Image Get a daily wing sticker from the event page

Collect (click) eggs that are posted by the NPCs in forum notes

CUTE ITEMS
User Image Easter 2k13 Dynamite Cake - 10 Cute Eggs
User Image Easter 2k13 Fluff Hood - 25 Cute Eggs
User Image Easter 2k13 Fluff Fleece - 100 Cute Eggs

ANTI-CUTE ITEMS
User Image Easter 2k13 Bunny Bomb - 10 Anti-Cute Eggs
User Image Easter 2k13 Ecorp Helmet - 25 Anti-Cute Eggs
User Image Easter 2k13 Body Armor - 100 Anti-Cute Eggs

ACHIEVEMENTS
User Image Protector of Cuteness - 50 eggs for the Cute team
User ImageDestroyer of Cuteness - 50 eggs for the Anti-Cute team
User Image Thread Flip - Thread was claimed for the other team

TREEHOUSE ITEMS
User ImageJumbo Easter Basket - 10 Wing Stickers
User ImageMarshmallow Skin - 50 Wing Stickers

some info provided by Andromeche