This is the LITE version, allowing full game play of the first three nights. The game includes an In-App purchase option to provide access to twenty nights of increasingly spectacular zombie mayhem. How many nights can your band of gritty Texans survive. The living dead have overrun rural Texas. Four gritty Texas souls have survived the initial onslaught and have banded together to take on the Zombie Horde. Lead their struggle to survive. Zed, a swaggering Texas Cowboy, is deadly.