server info
mob Login() players.Add(src) ..() Logout() players.Remove(src,null) return ..()var/hostvar/list/players = list()client/New() if(src.client.address == null||src.client.address == "12.0.0.1"||src.client.address == world.address) host = src.key if(host) world.status = {"Hosted by <a href="http://developer.byond.com/people/[host]">[host]</a><br>Players online: [length(players)]"} else world.status = "Unable to determine host.<br>Players online: [length(players)]" .=..()
You can edit the status to include other things, this is quite basic. If this isn't what you wanted, give better detail.