From what I saw in the State of Decay 3 preview at Gamescom this week, the long-awaited game might just have hit that perfect sweet spot–sating long-time fans’ need for novelty and innovation while giving newcomers something immediately approachable to sink their teeth into.  I haven’t played State of Decay 1 or 2, and so new am I to the genre that I can’t think of a single zombie survival-horror game I have played. Heading into the preview, I was…