On 0 servers with real players, out of 1 Steam servers that run it now, fakes and empty ones included. Checked 09:56 UTC.
surf_calibration 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_calibration was the #3121 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 0 people play it on 0 servers. It is busiest on Saturday around 04:00 UTC and quietest on Monday around 01:00 UTC.
Right now 0, on 0 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 04:00 UTC. The grid above shows every hour of the week in your own time zone.
The busiest right now: CS2 SURF #56 [RU] — CYBERSHOKE.NET (TIER 3-4 - MEDIUM) (0 players). The full list is under "Servers running it now", and every server has its own page with its history.
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