In ETQW there were player callable missions, including: spotting a spawnhost (vsay “I need a medic” comes up); spotting an AIT so mr. rocket soldier coudl take it out and let you call down arty, etc.
I wonder if there will be player callable missions in Brink? If they do, and assuming their is smoke and only a certain class can deploy it, hopefully they have a player callable mission for smoke so you can ask for it where you think it’s needed.
