The world suffers from oil crisis and you have to defend the last desert oil-base from the incoming enemies and armored vehicles. Earn experience points to get new weapons and don't forget to use power supplies dropped by allied aircraft.
Santa is busy again this time of the year, as he defends a backyard against the flesh and blood hungry zombies. Repair the barricade during the day, search for food and make weapon parts from collected cogs to unlock weapons.
A group of mafia is attacking the train trying to get inside the train's security compartment. It's a good thing you're the security guard in charge so let's teach them a lesson by blasting them away and taking out fire with extinguishers.