The man who calls himself John Smith once had a reason to fight: He was committed to a crusade he was willing to kill and die for. Trained by one of the best gunmen alive, Smith’s natural instincts with a handgun were honed to almost perfection. But after suffering a devastating loss, Smith has turned his back on everything he once believed in.

History books call it the Purge, and it altered the course of human history. A breed of seemingly unkillable creatures that once lurked in the shadows of mankind's past finally revealed themselves. Driven by an insatiable lust for human blood, these monsters - dubbed "ghouls" by some - consumed the globe in one bloody, awful night.

Today is the biggest day of Cole Ristler’s life. He’s about to join his wife and unborn child in retirement, an event he didn’t think would ever happen. It’s a cause for celebration, and all that’s left is the ride home. Unfortunately for Cole, the world has other plans. When an unknown phenomenon strikes the planet, man becomes its own worst enemy, transforming into rabid crazies that strike out at the nearest victim, seemingly driven by a single urge: Kill

It's been six years since a terrifying breed of seemingly unkillable creatures emerged from the darkness to topple the unprepared governments of the world, in the process knocking mankind down the food chain. Survivors called it The Purge. A few brave souls rose from the ashes of the old world to fight back, often against overwhelming odds. Led by indomitable heroes, they risked everything to achieve a final, stunning victory over the supernatural "ghouls" in The Battle of Houston. Five years later, what remains of the ghouls have fled back into the shadows.

The end was just the beginning. History books call it The Purge, and it altered the course of human history. A breed of seemingly unkillable creatures that once lurked in the shadows of mankind’s past finally revealed themselves. Driven by an insatiable lust for human blood, these monsters - dubbed “ghouls” by some - consumed the globe in one bloody, awful night.

In a steel-and-lead-encased bunker 20 feet below the basement level of his house, a soldier waits for his final orders. On the surface, a plague ravages the planet, infecting over 90% of the populace. The bacterium burrows through the brain, destroying all signs of humanity and leaving behind little more than base, prehistoric instincts. The infected turn into hyper-aggressive predators, with an insatiable desire to kill and feed. Someday soon, the soldier will have to open the hatch to his bunker, and step out into this new wasteland, to complete his mission....

When you have to kill the same terrorist twice in one week there’s either something wrong with your world or something wrong with your skills - and there’s nothing wrong with Joe Ledger’s skills. And that’s both a good and a bad thing. It’s good because he’s a Baltimore detective who has just been secretly recruited by the government to lead a new task force created to deal with the problems that Homeland Security can’t handle....

Two years after an attack brought down the electrical grid across the United States, the recovery effort is well underway. A new network of armored trains carry supplies and industrial equipment crucial to rebuilding the country. But along the rails, one area of America is still mired in darkness, violence, and danger. Some call it the Badlands. Others the Wild West. The government simply refers to it as the New Frontier.

Those who would seek a new world order have unleashed the most devastating virus onto mankind, and even they do not know the secrets hidden in their weapon. Follow along as Harry, a CDC scientist, races to figure out what exactly the virus is and how to stop it. It will be up to him and a group of marines led by Major Sanders to stop the zombie fallout before it ravages an unsuspecting world.

Half of the earth's population has been wiped out. Impossible to predict or stop, the Gamma Ray Burst tore through the Earth like a bullet, its radiation wave killing hundreds of millions, and the after effects ensuring the deaths of billions more.

Survival in Man’s Second Dark Age...Three hundred years after the fall of society, the last fragments of civilization are clinging to life, living in the ruins of the ancient cities in nearly-medieval conditions. Technology has been reduced to legend, monsters roam the forests, and fear reigns supreme. But that is just the beginning...The wind-borne spores are spreading, disfiguring men and twisting their minds, turning them into creatures that threaten to destroy the townships.

For a dozen years, villagers along the ancient Da River in Vietnam have feared a nightmarish creature who hunts and consumes human flesh. Only in whispers do they mention its name, The White Ghost. To the United States military, this creature has a different name - Marine Lieutenant Trevor Brett, the chemically engineered experiment gone wrong that they will do anything to hide. Sole survivor of his platoon, Brett has stalked the jungle for prey. But the men who made him into a monster are searching for him, and when they find him, the line between hunter and hunted will be blurred.

Stuck in Boston at a technology conference with his wife and children at their cabin in Tennessee, Jake Walton becomes trapped as multiple category five hurricanes devastate the east coast. As the situation worsens and an unknown foe begins to target key infrastructure points across the country, he will risk everything to get back to his family.

John Eric Carver and Shrek are a retired Navy SEAL war dog team, now living in the mountains outside of San Diego. Both man and dog thought their life was now settled, finding peace on the 40-acre ranch they had moved to. But life, and a mutated virus, changed all that.

It was just a random mutation - one of a billion that happen in viruses every day. But this one was different. It exploded out of Somalia and spread across the oceans before anybody thought to look up from their cell phones to see what was going on. The infected breathed the virus into the air around them, spreading it through the cities faster than anyone thought possible. Hospitals were overwhelmed. Police lines crumbled. Quarantine sites disintegrated. Cities started to collapse.