It will all come with time and additional mods and scripts for now there is a few groups that either cooperate or hunt each other. The game is now polished with a great fps boost over the arma 3. There is a plan to add new things as soon as there will be a good ones on workshop. I would recommend you getting the game since they want to release 1.0 before 2019 and because of that the game will cost more after that.