Quakenet is close to 200000. Now if you look on netsplit.de which is much more reputable than XGoogle (A site funded by a porn website, and another site that has chosen to use a pornographic picture as their logo). Netsplit.de says http://irc.netsplit.de/networks/list1ua.var
avg. u max. u
Quakenet 148047 171617
Undernet 120134 130727
IRCnet 117942 128285
EFnet 112322 126964

Notice how the quakenet maximum is higher than anything the other 3 listed there have ever reached. In fact the reported average is even higher than the reported maximum for the other 3. As for GamesNet I don't even have a clue what you are talking about. GamesNet's maximum is reported as being less than 40000. How does that even come close to comparing to networks with more than 100000? So I fail to see your point...