From Proletariat Inc.:
Take control of a massive zombie horde and destroy the world. Or help the last surviving humans make their stand and defend it. The choice is yours in this epic massively multiplayer online game. As the zombies, attack cities around the world, spawn hundreds of zombie drones, and mutate them into powerful special zombies in a real-time strategy game. If you choose the humans, strategically place your units around the cities, defend the citizens and buildings, and mow down incoming zombies in a new take on tower defense. Both sides acquire new units, train and level them to make them more powerful, and play with (and against.) friends and thousands of other players for control of the world. Features: Play the free massively multiplayer online game with two unique sides: the Infected, a massive zombie horde or the Survivors, humanity's last hope. Explore a living, dynamic world where players can attack, defend, and control cities. Build and level your army of over 50 unique units, each with their own special behaviors and unlockable skills. Team up with your friends, form a guild, and win epic raids for powerful new units and abilities. Fight other players in Player versus Player combat and show the world your might. Challenge yourself with over 50 single-player missions, each procedurally generated just for you. With new maps, enemies, and obstacles every time, no mission is ever the same. Play with and against thousands of other players in real-time for control of the world. Enjoy gorgeous 3D graphics in an engine which allows for nearly 1000 units on screen at a time. All optimized for Retina displays. Reviews: "World Zombination is a fun take on the apocalypse. Defend humanity or run it down. It's up to you. " - Gamezebo. "How I imagine a zombie invasion would really be, with crowds of zombies coming at you at every turn" - 148Apps. "The more you play the more you notice the. marks of a well-thought out, rigorously playtested, high quality video game. " - Pocket GamerNotes: A network connection is required to play. Compatible with the iPhone 4S, iPhone 5, iPhone 5S, iPhone 6, iPhone 6 Plus, iPad Mini, iPad Mini Retina, iPad 2, iPad 3, iPad 4, iPad Air, iPod Touch 5th generation and later devices. Requires iOS 7.0 or later.