I actually did this once; alien was playable, marine was much harder. Keep in mind that most console games (Halo, CoD, etc) have really subtle aim assist that ns2 doesn't have. I set up joy2key to have an "iron sight" button that lowered the sensiti…
For the mouse, head into the options, turn on mouse acceleration and turn off raw input
Apply and close, then reopen the options, turn off mouse acceleration, turn on raw input.
That fixed the mouse issue for me.
Nice! Few players know the true ferocity of an aggressive gorge. Some strategies I recommend trying when holding ground is to NOT build the classic wall in a hallway; good marines will hop over the wall, you'll have no where to hide, and you'll get …
As silly as this sounds, where are the files downloaded to once subscribed? It isn't inherently obvious and there's no "mod" folder that jumps out at me in the ns2 directory.