The Pixel-Fighter.com Community has run a Server included 256 Slots. Its psossible. But we don't know it works without trouble?
The most players, what i have ever ssen were 96 Players on the Japanese FHSW PrinceUmboshi Server. And a couple of month ago i was for 2-3 minutes on the Server with 72 Players on Omaha Beach Charlie Sector. That rocks i tell you.