Apparently Abnett wrote the majority of the story for the upcoming game Alien:IsolationThe short answer: A lot of people.
The slightly longer answer: A lot of people. It's not been only 4 (me, Jim, Dan, Graham) writers for several years. The team's large enough now, and there are so many projects, that meetings don't involve everyone - they only involve writers with immediate major projects like novels.
Not quite! I said: