On 0 servers with real players, out of 1 Steam servers that run it now, farms and empty ones included. Checked 17:26 UTC.
dm_gallery is a deathmatch map. It is not one of the maps that come with the game, so servers send it to players when they join.
Over the last 30 days dm_gallery was the #1035 map on CS 1.6 Steam 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 20:00 UTC and quietest on Wednesday around 06:00 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.
On Saturday around 20:00 UTC. The grid above shows every hour of the week in your own time zone.
The busiest right now: [DZ] Valorant Gaming DZ 5v5 (0 players). The full list is under "Servers running it now", and every server has its own page with its history.
de_dust21,628 players on average
de_inferno206 players on average
de_dust2_2x2116 players on average
de_aztec89 players on average
fy_snow78 players on average
de_nuke70 players on average
de_dust59 players on average
cs_assault53 players on average
de_mirage51 players on average
de_train46 players on average
fy_pool_day45 players on average
zm_foda43 players on average