On 1 servers with real players, out of 22 Steam servers that run it now, fakes and empty ones included. Checked 03:26 UTC.
By its name, de_dust2_christmas is a community edit of the official de_dust2, not the map that comes with the game. Servers send it to players from the Workshop when they join.
Over the last 30 days de_dust2_christmas was the #107 map on CS2 community servers, with 49 real players on it at any moment on average - 0% of everyone playing. It ran on about 6 servers with real players at a time. Right now 4 people play it on 1 servers, most of them on servers in Russia. It is busiest on Monday around 16:00 UTC and quietest on Thursday around 01:00 UTC, when about 98.3 times fewer people play it.
Right now 4, on 1 servers from the Steam server list. Over the last 30 days it had 49 real players on average at any moment. Fake servers and bots are not counted, and Valve matchmaking is not in the list.
On Monday around 16:00 UTC. The grid above shows every hour of the week in your own time zone.
The busiest right now: ➥ vibecs2.ru • WINTER DUST2 [!ws, !lvl, !viptest] (4 players), ➥ ███ INTERIAL.SU | ★ VOLT | WINTER DUST2 (0 players), WINTER DUST2 | ЧИЛОВЫЙ СЕРВЕР #9 (0 players). The full list is under "Servers running it now", and every server has its own page with its history.
de_mirage43,086 players on average
de_dust217,840 players on average
sandstone_fb14,368 players on average
de_mirage_fps6,299 players on average
awp_lego_25,410 players on average
awp_lego_2_fb4,807 players on average
de_mirage_christmas2,838 players on average
<null>1,274 players on average
bhop_emevaelx31,049 players on average
duels_mirage_1x11,021 players on average
de_inferno885 players on average
de_nuke755 players on average