User blog comment:AntiScootaTwo/CoDWiki News - September 7, 2014/@comment-3515798-20140907200820/@comment-1916935-20140909023647

And CoD's maps aren't really big enough anyway. Although, 3arc should modify Grief so that it takes place on MP maps, but as you're fighting the other team, zombies are running around the map attacking all players. That'd be fun.