Oh, well I didn’t try it myself but Tetrafish did and seemingly “completed it” but it never verified the challenge completion until they played the main escalation mission. So, it’s supposed to be possible, in theory.
Oh, well I didn’t try it myself but Tetrafish did and seemingly “completed it” but it never verified the challenge completion until they played the main escalation mission. So, it’s supposed to be possible, in theory.