On 5 servers with real players, out of 8 Steam servers that run it now, farms and empty ones included. Checked 22:26 UTC.
130.110.17.181:2701522/32Real players82.165.44.103:270155/32Real players81.181.244.181:270153/32Real players57.128.252.192:270162/32Real players2.58.113.227:270501/3Real playerszm_ice_attack3 is a zombie map, made for Zombie Plague and similar mods. 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 zm_ice_attack3 was the #19 map on CS 1.6 Steam servers, with 26 real players on it at any moment on average - 0.5% of everyone playing. It ran on about 3 servers with real players at a time. Right now 33 people play it on 5 servers, most of them on servers in Italy and France. It is busiest on Tuesday around 18:00 UTC and quietest on Wednesday around 10:00 UTC, when about 12.8 times fewer people play it.
Right now 33, on 5 servers from the Steam server list. Over the last 30 days it had 26 real players on average at any moment. Fake servers and bots are not counted.
On Tuesday around 18:00 UTC. The grid above shows every hour of the week in your own time zone.
The busiest right now: ZM NOSTALGIA 2009 [x2 Ammo] (22 players), Zp.NoGame.Ro | [RO/EN] Zombie Plague (5 players), Zpx.LeagueCs.Ro | Zombie Server (3 players). The full list is under "Servers running it now", and every server has its own page with its history.
de_dust21,620 players on average
de_inferno204 players on average
de_dust2_2x2116 players on average
de_aztec88 players on average
fy_snow78 players on average
de_nuke69 players on average
de_dust59 players on average
cs_assault53 players on average
de_mirage50 players on average
de_train46 players on average
fy_pool_day45 players on average
zm_foda42 players on average