The end of the world as we know it couldn't come at a worse time for Adrian. One minute, he's an operations manager overseeing a construction job in the wilderness. The next, an unknown energy force changes the very nature of life itself, from the smallest organism to the top of the food chain. Earth's surviving inhabitants, its environment, and the very laws of physics have all undergone fundamental transformations. Many of those changes aren't pretty. Plenty of them are deadly.

Fight, survive, adapt, and rely only on yourself. That is Derek’s creed and what's got him through the System Integration on Earth. Everything changed when the System came. Cute bunnies and beautiful butterflies became savage killing machines. Then the Invaders arrived with a single goal: to obtain ownership of this new habitable planet. War has raged ever since. None of this mattered much to Derek, aside from making living a little more perilous.

In a magical world known as "The Wyrd" only those who have the Spark can be adventurers, diving into magical dungeons, getting epic loot, and leveling up by collecting essence. Caldor is several years past the age when most people find out they are sparked, but that doesn’t stop him from wishing.

Matt's just an ordinary guy, but when he's beaten, robbed, and left for dead, bleeding out at the bottom of a gully, it all has to change as he grasps frantically at his only chance for survival, coming as it does in the form of a glowing, dangerously pulsing light. With his reality forever altered, Matt must quickly find a suitable place to deploy the Dungeon Core, fighting his way through the hundreds of people between him and safety, because if he doesn't do it soon, a Core Detonation will solve all of his problems for him....permanently.

Marc's home from college on break, spending his time laughing about some of the crazy news stories he's found online, and gaming. When a message appears in his line of sight, blocking out absolutely everything else, he nearly freaks out. The message warns that the world has been in a variant Natural Laws beta test for millennia and that it's about to revert to the norms.

A world on the precipice of the apocalypse. A secret forged in the flames of war. A chance to start over. For John Sutton, only one of those three things matters. Retired from a decade of brutal war, he wants nothing more than a quiet pastoral life while he does his best to stem the steady increase of his Doom Points before they hit 100, signaling the start of the end. He’s been given a small farm on the outskirts of the empire as thanks for his service, but no matter how far he travels, it's impossible to escape the war's devastating effects on the world.

For eons, conquering dungeons has been the most efficient way to become a strong adventurer. Although not everything is as straightforward as it seems. Several questions have always plagued the minds of those who enter these mythical places of power: why are there so many monsters? Where do the amazing weaponry and heavy gold coins come from? Why does the very air fill with life-giving energies? Cal has all of the answers to these age-old questions, for a very simple reason. He is a Dungeon Heart.

A teenage mage of humble birth and slightly above-average skill, Zorian is attending his third year of education at Cyoria's magical academy. A driven and quiet young man, he is consumed by a desire to ensure his own future and free himself of the influence of his family, resenting the Kazinskis for favoring his brothers over him. Consequently, Zorian has no time for pointless distractions, much less other people's problems.

Morgan's life is not easy. Growing up on the streets of City Four, he is constantly shunned by the other citizens. Morgan doesn't mind being ignored. What he does mind, though, are the constant beatings from the city guards due to his friendship with Sarah, the city lord's only daughter. Lord Simon wants him dead, but the laws of the kingdom are on Morgan’s side, and even the guards won't kill him just for being seen near his manor. Morgan’s time is running out, though. Lord Simon has deep pockets, and his last visit to the manor may just have put him over the edge.

As an engineer on the arkship Pilgrim-9, bound for the Tau Ceti solar system, Morgan Hall thought his life would revolve around maintaining and repairing the ship and supporting the needs of the five thousand colonists aboard. But when he’s roused early from a 240-year stasis, he’s confronted with chaos. Along with his shipmates, Morgan is brought down to a planet teeming with peril. Forced to fight for their survival without any of their tech to hand, they must adapt quickly to overcome countless threats in a world where magic is as real as science.