its still in beta . 0.1 i hought it was.
its 2 players max till now and a 2 player min.
there was something with the cars tha your openent was always driving with the same car as yours or something.
but i havent really got the change the see it myself .
although i thought they said that they where gonna include ctf and cannonballrun in it
(cannonballrun = awesome in gta. ctf = could be cool in gta )