now there is a unity web play version online, which you can play it on pc most importantly is that, you can get off the rooftop and go around the zombie town while shooting!! https://dl.dropboxusercontent.com/s/93w5m6g32dzdr0w/index.html found some gameplay videos on youtube: https://www.youtube.com/watch?v=aH8itj1kR2c this dude survived 10 mins, unbelievable!!! https://www.youtube.com/watch?v=34ht4ePC3nw For Downloads: https://play.google.com/store/apps/details?id=com.zombietown.snipershoot
here are some videos!! found some gameplay video on youtube (added on top) definitely have to check the second one out, amazing!!