So, Just Cause 2 multiplayer got up to 1.3k simultaneous players on one server

[kuukl]

Originally Posted by Baneblade

EVE is also 100% server side. The client is literally a remote terminal with a local graphical use interface. FPS aren't like that generally.

Yep, and to my understanding the JC2MP mod on the other hand is almost fully client side and the server only updates player states to the clients. The server was run on a relatively crappy computer as well and took something like 100mb of memory.