Blizzard is getting into the holiday season with Winter Wonderland coming to Overwatch. The seasonal event kicks off today with standard Loot Boxes being replaced by Winter Loot Boxes filled with holiday-themed items. Particular items can still be unlocked with in-game credits.

A new mode called Mei’s Snowball Offensive is a 6v6 single-elimination brawl where her Endothermic Blaster ammo has been replaced with powerful snowballs. When the snowball ammo depletes. You will have to find the nearest snow pile to reload while using ice walls to cover your retreat.

The Winter Wonderland is currently live on the PC, PS4 and Xbox One right now. It will run from December 13 to January 2. Check out the trailer above.