While training for a manned mission to Mars, Dr. Sophie Winston and her team of scientists find themselves cut off from the rest of the world. Trapped inside a biosphere deep within the confines of Cheyenne Mountain, Sophie and crew discover they are the survivors of a brutal alien invasion. But as they struggle to stay alive, they realize their safe haven is far from safe and that they must team up with other survivors around the world to defeat the aliens before it’s too late for humanity and the Earth. 

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.

Eternal Frontier: It was a time of peace, prosperity, and exploration. But when an unexpected attack cripples the SRES Argo, it appears that time has come to an end. Alone in the far reaches of space, Tag Brewer is the ship’s only survivor, and he vows to do everything in his power to seek justice for his fallen crew. But when Tag uncovers a sinister secret about those who attacked the Argo, he realizes far more is at stake than just his survival.

Alex Wolfe is an elite agent with the CIA. He has a proven track record of stopping international bioweapons programs. Skylar Cruz is a skilled Marine whose battlefield injury sidelined her from serving her country. When they’re recruited for a brand-new covert-op group, Vector, combating biological and chemical weapons threats, their first mission had better be a success. Because it’s not just their careers at stake. It’s all of humanity. 

In this classic trilogy, a mysterious disease strikes millions and drives them to attack, overpower, and infect. Others continue to mutate, becoming horrific monsters. In a dying America, survivors ranging from soldiers to scientists to average people struggle on the razor's edge of survival. Each must ultimately choose how far they’ll go to survive and what they’re willing to lose to save humanity. This is a brutal vision of the apocalypse like no other. Will humanity survive the end of days?

For Megan Wolford, life as she knew it came to an end after the world was decimated by an EMP. Now, she does her best to survive and protect her daughter, Caitlin. But when the young girl falls ill with a mysterious virus, Meghan must leave the safety of their home and embark on a dangerous journey to forage for medical supplies. 

Tough-as-nails Dakota Sloane has spent her life running from the past. A man haunted by secrets, Logan Garcia has only one goal: to drink himself into oblivion. When a bomb detonates over Miami, utter anarchy erupts. Dakota knows of a safe house deep in the Everglades, but she needs Logan's help to survive the chaos. But the radiation isn't the only threat. At every turn, deadly foes are determined to stop them. As a diabolical conspiracy emerges, Logan and Dakota must prepare for the fight of their lives against an enemy more powerful than they could ever imagine.

More than two centuries after World War III poisoned the planet, the final bastion of humanity lives on massive airships circling the globe in search of a habitable area to call home. Aging and outdated, most of the ships plummeted back to Earth long ago. The only thing keeping the two surviving lifeboats in the sky are Hell Divers - men and women who risk their lives by skydiving to the surface to scavenge for parts the ships desperately need.

Eight years ago, an engineered virus ravaged the globe, infecting and transforming humans into apex predators called Variants. Now, almost a decade after the end of the war, civilization has slowly clawed toward recovery. But evil and intelligent forces dwell in the shadows with the starving beasts, scheming to restart the extinction cycle and end humanity forever. And once again, Beckham, Fitz, and Kate will rise to fight them, joining forces with new heroes to try and save what’s left of the world.

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. 

Born on a forsaken desert planet, Cole Shaw has two options - perish from starvation and disease, or enlist in the New World Republic’s armed forces. He chooses the military. For the first time, he thinks he has a shot at a better life. But survival is not guaranteed. Leading an elite team of mech operators, he is deployed to a frozen planet called Ferrous where dangerous relics of a past war lurk beneath the ice and savage creatures prowl the barren wastelands. Scientists on Ferrous are chasing rumors of godlike technologies buried in the ruins of a long-extinct civilization.

The worst of nature and the worst of science will bring the human race to the brink of extinction. Master Sergeant Reed Beckham has led his Delta Force team, code named Ghost, through every kind of hell imaginable and never lost a man. When a top secret medical corps research facility goes dark, Team Ghost is called in to face their deadliest enemy yet - a variant strain of Ebola that turns men into monsters.

Estes Park Police Chief Marcus Colton and tracker Sam "Raven" Spears have never liked one another, but when a young girl goes missing in Rocky Mountain National Park, Colton hires Spears to help find her. Their search ends after a night of catastrophic events. When word reaches Estes Park that the nation has been hit by a coordinated electromagnetic pulse attack, Colton and Spears are forced to work together again. But they quickly realize they aren’t just tracking a killer - they are tracking a madman during the middle of a war on American soil.

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. 

Danger lurks in the Ruins. Three survivors travel the ruins of a collapsed society, sifting through the rusted relics of the ancients' civilization as they search for a better future, hoping to escape the horrors of the past. But among those treasures lurks danger. And what they discover might be worse than what they left behind.