long time zdaemon player here. i used to be rly competitive but stopped for a while. i dont think the community is as big as it used to be. the engine is an old version of zdoom and they don't update it much at all anymore unlike skulltag. but zdaemon has more players usually and sweet ass ctf.
my stats http://stats.zdaemon.org/playerstats.php?id=6715
(exp doesn't translate into skill but u knew that already)