Winter Zombie Outbreak

Add-on take place in 2034. This mod is a After math of one of my other add-on (Zombie Crisis). A deadly ancient virus that has been trapped in ice for billions of years, only to be released after the global warming melts down the ice-caps. This virus spreads over the entire planet and infected a lot of people. This virus loves cold places, so when winter comes it will mutate and will be harder to resist. For those that are still alive must now navigate a frozen wasteland, where resources are sca