On 0 servers with real players, out of 2 Steam servers that run it now, fakes and empty ones included. Checked 04:56 UTC.
surf_perihelion 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.
Right now 0 people play it on 0 servers. It is busiest on Saturday around 10:00 UTC and quietest on Monday around 00:00 UTC.
Right now 0, on 0 servers from the Steam server list. Over the last 30 days it had 0 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 10:00 UTC. The grid above shows every hour of the week in your own time zone.
The busiest right now: CS2 SURF #121 [KZ] — CYBERSHOKE.NET (TIER 5-8 - HARD) (0 players), CS2 SURF #84 [KZ] — CYBERSHOKE.NET (TIER 5-8 - HARD) (0 players). The full list is under "Servers running it now", and every server has its own page with its history.
de_mirage43,194 players on average
de_dust217,871 players on average
sandstone_fb14,431 players on average
de_mirage_fps6,328 players on average
awp_lego_25,411 players on average
awp_lego_2_fb4,837 players on average
de_mirage_christmas2,842 players on average
<null>1,271 players on average
bhop_emevaelx31,053 players on average
duels_mirage_1x11,007 players on average
de_inferno900 players on average
de_nuke771 players on average