On 1 servers with real players. Checked 09:56 UTC.
surf_ethereal is a surf map: you slide along sloped ramps instead of running. It is not one of the maps that come with the game, so servers send it to players from the Workshop when they join.
Over the last 30 days surf_ethereal was the #1506 map on CS2 community servers, with <1 real players on it at any moment on average - 0% of everyone playing. It ran on about <1 servers with real players at a time. Right now 1 people play it on 1 servers, most of them on servers in Mongolia. It is busiest on Saturday around 16:00 UTC and quietest on Monday around 01:00 UTC.
Right now 1, on 1 servers from the Steam server list. Over the last 30 days it had <1 real players on average at any moment. Fake servers and bots are not counted, and Valve matchmaking is not in the list.
On Saturday around 16:00 UTC. The grid above shows every hour of the week in your own time zone.
The busiest right now: CS2 SURF #168 [MN] — CYBERSHOKE.NET (TIER 1-2 - EASY) (1 players). The full list is under "Servers running it now", and every server has its own page with its history.
de_mirage43,201 players on average
de_dust217,864 players on average
sandstone_fb14,458 players on average
de_mirage_fps6,333 players on average
awp_lego_25,424 players on average
awp_lego_2_fb4,846 players on average
de_mirage_christmas2,847 players on average
<null>1,273 players on average
bhop_emevaelx31,053 players on average
duels_mirage_1x1998 players on average
de_inferno894 players on average
de_nuke765 players on average
MN