Golden Egg #29, or better known as the “New Year’s Egg”, is unlocked automatically at 8AM UTC on 31 December, 2011. This is the first time that a Golden Egg need not be obtained through the some active gameplay. Below is a video walkthrough that shows you how to pass the level to obtain the star.
Bug alert! "New Year Egg" Unattainable (click for more info)Bug fixed! In the v3.1.0 (Winter Wonderham) update, this Egg should be universally unlocked.