The best winter and Christmas maps for CS:GO in the Steam Workshop are Winter Mirage Christmas, Hide and Seek Christmas, Surf Christmas, the hostage map Christmas (cs_xmas), the party map AWP Christmas and the 1v1 snowball duels. Each one below comes with a short description and a link to its Workshop page, so you can subscribe right away and play it with friends.
Official winter maps have always been rare: most locations are deserts or summer towns, and snow costs more resources and makes player models stand out too sharply. CS:GO did get a few winter maps, but some were playable only in Casual and others only during operations. The community filled that gap. Keep in mind that every map in this list was built for CS:GO: in CS2, old Workshop maps do not load until the author ports them to the Source 2 engine. Before subscribing, check the map page for a CS2 version. If you are not sure where the Workshop lives in the new game, see our guide on where to find the Workshop in CS2.
Winter Mirage Christmas
Winter Mirage Christmas is the New Year mood in map form. Everything is covered in snow, Christmas trees stand here and there, and icicles hang from the roofs. Look around and you will find snowmen too. Otherwise it is the standard Mirage with decorations added, so it also works for a warm-up with your usual utility.
Hide and Seek Christmas Map

If you want to try something other than the usual modes, Hide and Seek Christmas is worth a look. Hide-and-seek maps have long been popular in the community, and at least one of them is built around the winter holidays. Christmas decorations everywhere, snowy streets and nonstop snowfall make a great setting for a round of hide and seek with friends. To set up a lobby and load the map together, follow our guide on how to launch a map with friends.
Surf Christmas Map

If the first two maps feel too similar, here is something different. Surf Christmas is a joint project by several mapmakers, each of whom built one of the stages. They include a ski resort, a gift factory, a winter cabin, Santa's warehouse and other memorable spots.
Cs_xmas

Another Christmas map is known simply as Christmas. Players have to free hostages taken by terrorists in a Swiss mountain village and bring them to the extraction point. The map stands out for its detail: views of the village, house interiors and festive decorations.
AWP Christmas

For pure fun, try the map called AWP Christmas. One look at the screenshot tells you what to expect: a giant gingerbread man, falling snow, gift boxes, Santa Claus with his reindeer and plenty of other surprises. To make your inventory match the season, browse our pick of New Year skins for CS2.
Snowball

A snowball fight is a winter game most of us know from childhood. On 1v1 snowball v2 you can take on your friends with snowballs across several arenas, and the same aim and reaction time matter as in a regular match. For more snowy locations, see our separate article on winter maps for CS:GO, and for frosty weapon finishes check out our winter skins for CS2.
