In City of Heroes and Villains, Snaptooth has returned and kidnapped Baby New Year! Oh noes! Save the little tyke and enjoy your Christmas toys (and badges).
Father Crimbo is missing from the Kingdom of Loathing, so the Fright Queen steps up to take his place. Three spirits will guide you against primitive cave-elves, festive undead, and cyborg reindeer as you seek to bring him back. Assemble your own familiars!
Over at Gunbound, the event itself does little to gameplay except add a new song, but they are giving a discount on various avatar items and an easy way to get the gold to pay for them, along with some free avatar items.