App Name: Division Z [iOS Game]

Cost: Free (limited time)

Developer: Thinking Monkey Studio

App Market: Download Page

Description:

Division Z is a zombie tower defense game, that  that focuses on strategy and quick thinking. Each level has set number of places that the towers can be placed. Each tower has its own strengths and weaknesses, so you need to think ahead and plan accordingly.

Division Z spans across 18 levels, tower upgrades, and 14 achievements.