Luke Tavares has dreamed of joining the vast gaming guilds of the hypernet. After recently graduating high school, his parents have given him the same ultimatum as his siblings: He has one month to get a job to pay for his air, gravity, and water aboard the Dahlia. The freighter needs more hands, but Luke doesn’t want to be a trader-ship engineer. In Sphere World, he can mine asteroids, build bots, and make weapons to fuel the system-wide war between nodes.

As a martial arts instructor, Nori has always had a simple purpose in life: Help underprivileged kids build confidence and self-discipline. Now she'll have to do so for everyone else, too. It all started with a mist, one that gave everyone stats and levels, but also disabled technology and transformed animals and humans into cybernetic horrors that preyed on the living. Within months of its inception, civilization had crumbled.

The Dungeon is a place of magic and mystery, a vast branching, underground labyrinth that has changed the world and the people who dare to enter its depths. Those who brave its challenges are rewarded with wealth, fame, and powerful classes that set them apart from the rest.

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.

After the collapse of the known world, Rowan Wilder opened his eyes and found himself on the first floor of the Tower. With a flawless memory and a mere eight cards to his name, he must venture out and prepare himself for the coming calamity.