In July of 2016 a plague swept the world, and the civilization collapsed and fell. For a lone National Guard sergeant, a veteran of the wars overseas who had settled down to a new life, the nightmare began on a hot summer evening at the barricades. Orders and chaos, gunfire and being overrun, his unit dwindles away in the face of the infected. Months later, living in the ruins, the thud of helicopter rotors followed by a crash and the rescue of a downed pilot leads Nick Agostine back into the arms of the US military.

On a hot July day on the plains of Kansas, a US Army mechanized infantry company from the First Infantry Division gets a very vague warning order, and the young troopers saddle up on their steel beasts to go try to control "civil unrest".

Set on the coast of South Carolina, an unknown infection has caused people to die and come back to life as reanimated corpses, attacking any living person. This is the story of the survival of one man who was the benefactor of a shelter that helped him to live through the onslaught of the infected dead.

Rick, an aging Vietnam veteran, alcoholic, and prepper, convinces Zach Gunderson that the apocalypse is on the horizon. The two of them take refuge at a remote farm. As the zombie plague rages, they face a terrifying fight for survival. They soon learn, however, that the walking dead are not the only monsters.

What would you do if America and the world were invaded tomorrow by a relentless and brutal enemy? In an alternate 2015, a US Army Special Forces Team, part of the legendary black ops unit "Delta", is in midtown Manhattan to take out a Chinese spy and his handlers, sending a message short of outright conflict. All goes smoothly until they find themselves in a full-blown shooting war through the canyons of the City.

When two teenagers stumble upon a frozen corpse deep in the woods, they make the fateful decision to bring it back to town—unaware they’ve just unleashed the apocalypse. In the morgue beneath the hospital, the dead begin to stir, attacking the living and spreading a relentless infection. The once-quiet town quickly descends into chaos as the hospital becomes a battleground, its halls soaked in blood as survivors fight to escape the growing horde.

Beneath the surface a war rages between the surviving demons still inhabiting the Earth and those few, the initiated, who fight to keep it buried deep where it belongs in the darkest shadows. Troy Odell was doing what he did best, taking the fight to the enemies of the free world. No two missions were ever the same, but he never expected his world to turn so violently upside down as it did. The only surviving member of his team of US Marine Raiders, he finds himself drawn into that secret battle.

From the outbreak in Afghanistan to the struggles at sea, Brad and his comrades realize the war for humanity has only just begun. And there's no guarantee any of them will survive the long journey home....

Orcs. Trolls. Wraith riders. Dark wizards. Together, they form an unstoppable force. Or so they thought. Dark Army...meet the US Army Rangers. When a Joint Task Force of elite Rangers are transported to a strange and fantastic future where science and evolution have incarnated the evils of myth and legend, they find themselves surrounded, pinned down, and in a desperate fight for their very survival - against nightmares of flesh and blood made real. Which means only one thing. It’s time to Ranger up and stack bodies.

Hal Mason's still going to find surviving the System Apocalypse challenging. While bringing in his latest fugitive, Hal's payday is interrupted by the translucent blue boxes that herald Earth's introduction to the System - a galaxy spanning wave of structured mystical energy that destroys all electronics and bestows game-like abilities upon mankind. With society breaking down and mutating wildlife rampaging through the city of Pittsburgh, those who remain will sacrifice anything for a chance at earning their next Level.

As the first waves of injured bystanders, guardsmen, and rioters arrived at hospitals, it became apparent that a deadly new disease had been unleashed on the population. Whether the virus was naturally occurring or an escaped lab experiment, Cade hadn't a clue and wasn't especially concerned until he learned of its unprecedented virulence, unusual method of transference, and the fact that, according to the news, it brought the newly dead back to life, semi-mindless, and with an insatiable desire to feed on the flesh of the living.

Sergeant Paxton Alejo is a League of Humanity Marine Commando, the best of the best. After getting sent to oversee a batch of fresh conscripts, Pax makes the fateful decision to sacrifice his life to save his subordinates. He is posthumously awarded the Cross of Honor, the highest military medal . . .

On the last day of normality in Mackinaw, Illinois, Oliver McCallister thinks his worst problem is figuring out how to come clean to his wife about the secret he’s been keeping from her. Zoe McCallister thinks her worst problem is squeezing in an errand at the courthouse before another long day of nursing classes—and worrying about whatever Oliver is hiding from her.

From the bottom of the oceans of the world a hidden threat stalks mankind—probing, testing our weapons and defenses, biding time to strike. In the summer of 2039, this aquatic foe unleashes surprise attacks against coastal cities around the globe. Mankind faces a sophisticated new enemy, arrived from the depths of space and lurking in the dark blackness of the seas.

An interstellar colony ship on Earth prepares for take-off. Before reaching their first stop—Proxima b Centauri—they are awoken from their cryo pods early, only to learn there's been an alien invasion on Earth. But it's too late. Can the crew find a safe refuge from the invaders and track down colonists from other ships?