On 0 servers with real players, out of 1 Steam servers that run it now, fakes and empty ones included. Checked 02:35 UTC.
kz_spacemario_h is a KZ (climb) map: you jump your way to the end as fast as you can. 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 kz_spacemario_h was the #635 map on CS2 community servers, with 2 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 20:00 UTC and quietest on Monday around 07:00 UTC.
Right now 0, on 0 servers from the Steam server list. Over the last 30 days it had 2 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 20:00 UTC. The grid above shows every hour of the week in your own time zone.
The busiest right now: Syn's CS2 KZ/Climb [US-West] (0 players). The full list is under "Servers running it now", and every server has its own page with its history.
de_mirage43,275 players on average
de_dust217,904 players on average
sandstone_fb14,443 players on average
de_mirage_fps6,337 players on average
awp_lego_25,420 players on average
awp_lego_2_fb4,842 players on average
de_mirage_christmas2,843 players on average
<null>1,271 players on average
bhop_emevaelx31,055 players on average
duels_mirage_1x11,014 players on average
de_inferno905 players on average
de_nuke776 players on average