Firstly, welcome to Horizon Studios!
You can PM me anytime you need
You have to download the MOD in order to play it.
If you have a copy of the original SG-EH Game files. please, by all means, UPLOAD THEM SOMEWHERE!. So the rest of us can get it again. It was lost to most of us. I believe Sheppard still has a copy of it...
1. There is no Server for the game.
It is an MP MOD. You have to download and install the game in your base folder in order to play it.
2. The game is for JKA.
3. HL2? Not ours. Not yet at least. Some of the Dev team is working on a Version 2 for HL2. But of that I have no further information.
XBL name, sgReaper117 Add me if you want.