On 0 servers with real players. Checked 10:06 UTC.
surf_nova 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_nova was the #1261 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 Wednesday around 01:00 UTC and quietest on Monday around 05:00 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 Wednesday around 01:00 UTC. The grid above shows every hour of the week in your own time zone.
Nobody is playing it right now. Check the hour grid to see when people usually do.
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