I played it and it's awesome. You can deploy sentry guns, and robots. Plus other "perks". I was on some foreign server so I didn't figure out how to use the perks due to language barrier. In other versions of this Mod (a Sniper Clan) has it so you can collect dog tags to get your kills registered. Below is a large list of changes from V2.8 to V2.9
http://modsonline.com/Forums-top-164103.html