So far best game ever :) Please add some: - More Bases to take over. Ultra futuristic ones. - More level upgrades to every thing. - More survivor search with money (cash). - Ability to upgrade walls to stop zombies from crawling over and attack - More traps to build - Gym / target practice to add to increase survivors attack, health etc. - Places for players to relax like spa, cinama, night club, massage place etc..