We have figured out how to integrate Co-op into all alone, we have got it to the point where two players can run around the world and theres no lag. Still trying to figure out how to connect the campaign to it. The last things is the map size, while in skyrim it took me maybe twenty minutes to half hour to get from one corner to the next it has taken me a good 45 minutes in All Alone. Yes this will mean side missions, survival, exploration etc. I am hoping to have an estimate for the release but tech problems is slowing me down. Feel free to head over to my website and donate (website on game page).