There is a Fuzzy Logic Guild on SolTech Server, Terran Republic Side in the (free to play) FPS PlanetSide 2.

I am going to be considering putting a guild together in DC Universe Online, a rather entertaining (if admittedly shallow for solo-play) F2P MMO available through steam.

This is a group for my friends, and their friends, with the inevitable goal of putting people together into games, because, frankly, I am getting bored of playing games solo. Invitations to the group are free for any member to use.

Additionally, there's a C3 Channel that I recently opened that you can find called "Fuzzy Logic" (search without quotes). The channel password is: chaos
You can invite people to use it, and as long as nothing disruptive happens, then I ideally won't have to start limiting it to invitation only. If you don't know what C3 is, it is a free VOIP service that allows you to create channels without the need to rent servers, and it also has one of the better available codecs for VOIP. It has the downside of being not very well supported in terms of game overlays and such, but is generally pretty solid and moderately light-weight in terms of system use.

Get it at: http://www.downloadc3.com/