User blog comment:Damac1214/Sales of Black Ops II are a "Cause of Concern" for Activision/@comment-67.0.54.121-20121202070525/@comment-1263839-20121202140810

I fail to see how bringing the Elites back as the main enemies was a big change, and they removed the Flood in ODST. Player Traits? By that do you mean armour? Because we had that in Halo 3. If you mean the voices in Firefight, then changing your character on ODST counts for that.