What is the game "Earn to Die 2" about?

"Earn to Die 2" is a video game app about a zombie apocalypse in which players need to drive a car across the country while smashing through zombie hordes in order to reach an evacuation ship. It takes place in zombie-infested cities, unlike its predecessor which had a desert setting.

"Earn to Die 2" features multi-tiered levels, destructible vehicles and a new, extended story mode. Players unlock more powerful vehicles and upgrades as the game progresses. Some of the drivable vehicles include a fire truck and an ice-cream van. The game has a rating of 4.8 out of 5 stars on Google Play as of June 2015, with over 200,000 ratings.