December 14 to January 3
The nights may be long and dark, but Tyrians of all races keep joy alive during the ancient holiday of Wintersday. While each race celebrates Wintersday in their own unique way, children all over Tyria share a common love of one thing: toys.

This year the city of Lion’s Arch will host the asuran Toymaker Tixx as their special Wintersday guest of honor. Before Tixx arrives in Lion’s Arch in his massive airship toy workshop, he’ll visit every major city in Tyria to deliver Wintersday toys and holiday cheer.

Details: https://www.guildwars2.com/en/the-game/releases/december-2012/

Main Event: Toypocalypse
A new scaling 5 man instanced event accessed via the golem airship. Each city will have content relevant to the home race and content will build as Tixx flies over each home town.
The event is aimed at a 30 minute completion time.
This 5 man instance event is a Horde mode meets tower defense minigame.
Each instance above a hometown will reward a blueprint relevant to that race.
After completion of the events, you can craft a unique toy (No word on crafting limits or tradability at this stage)
Any previous city dungeon is available once the airship arrives in Lions Arch at the end of the event period.
Visit Tixx at least once after he arrives at his final destination to receive your holiday collectible item.
An auto grouping system (not clear yet) is available for the Tixx 5 player instance.
Misc PVE
All wintersday daily events are on a 24 hour completion timer once activated.
Mini events will be similar to trick-or-treat doors of Halloween, except in the fashion of Present boxes around the world.
275 new crafting recipes, these are not all wintersday related.
Wintersday themed chests in Black Lion Trading Company.
Build snowmen around the world much like pumpkin carving during Halloween.
Tixx will drop presents from the sky when he flies around Tyria
Plans and materials can be obtained in said drops.
Jumping puzzle: Winter wonderland Jumping puzzle (frostbite debuff timed mechanic)
PvP Minigame: Snowball mayhem capture the flag pvp game (3 skillbar classes - Scout, Heavy, Support)
Activity: Bell choir rockband style 3 player per team mini game at the Lions Arch Snowglobe. (3v3 music battle?)
No new holiday themed resource nodes added. All items for holiday crafting are obtained via events/instances/activities.
WvW and PvP:
Siege weapons will be wintersday themed.
Holiday finishers are available.