Klikfarm is down, any others you know about?
I think if you will need to run your own Moo server.
Sadly commercial services offering Moo and Lacewing servers never get enough (any) paying customers, so they never keep going.
Tutorials for TGF & MMF
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Oh... I use that for all my multiplayer games... It seems that kilkfarm is no more... How do I create a lacewing server?