In a forest wilderness, a dungeon reappears after surviving a nation ending war. The magical shock has devastated both the dungeon and its occupants, in more ways than one. Doc find himself alone in this new place, surrounded with unknown dangers. Claire, Doc's partner and guide, finds herself at facing the nightmares she wrought using Doc, having freed herself from her mother's control. The pressure mounts on both as the damage is made clear. Even then, the wilderness surrounding them is filled with all manner of danger and traps, everything ruled by the law of the strong.

The decision to start a new life is never an easy one, but for Joe the transition was far from figurative. Becoming a permanent addition to a game world, it doesn't take long to learn that people with his abilities are actively hunted. In fact, if the wrong people gained knowledge of what he was capable of, assassins would appear in droves.

Marstin Hardgrove was orphaned at a young age, forced to live on the streets, and needed to turn to thievery to survive. When a job goes wrong and the young man was caught, he was forced to eat a handful of dirt and rocks before being abandoned to die; unbeknownst to Marstin, he also ended up swallowing a tiny dungeon crystal.

It was a day like any other when suddenly the world changed. The universe reached a threshold humanity didn’t even know existed, and it was time to finally be integrated into the vast multiverse. A place where power is the only thing anyone can truly rely on.

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.

Zac was alone in the middle of the forest when the world changed... The whole planet was introduced to the multiverse by an unfeeling System... or God. A universe where an endless number of races and civilizations fought for power and dominion. Zac finds himself stuck in the wilderness surrounded by deadly beasts, demons, and worse. Alone, lost and without answers, he must find the means to survive and get stronger in this new cut-throat reality.

Felix's life on Earth had become a series of dead-end jobs, ruined relationships, and rotating apartments smaller than most postage stamps. By all accounts, even his own, he was a coward. Too afraid to move forward, to take risks. Yet when given the chance to choose between risking his life or walking away from a deadly encounter, he didn't hesitate. Moments before his untimely demise, Felix was snatched from earth and thrust into a magical world known only as "The Continent". Empowered by the "System", he learns that he can strengthen himself through combat and dedication.

A monster dungeon is all Thomas has ever known. After all, he was born there. Now, at age 14, he’s been solo-clearing all 100 floors of the dungeon for years. The last of his family and friends are about to die off as an eternal void beast tirelessly pursues them. Will they ever escape?

When Kers is reborn as a dungeon core, he finds himself stuck in the most improbable of places: a cloud. High in the sky and far away from the usual solid resources, Kers must face the obvious question: How is a dungeon to build itself without wood or stone? Luckily, Kers has the sarcastic (and sometimes helpful) fairy Selena to help him get his bearings. Together, the pair delight in exploring Kers’ weird existence, creating novel mobs, and enticing adventures to plumb the lofty heights of his floors.

Milton Frederick never had the chance to live out his life as a professional gamer on Earth, mainly because he was abducted by aliens. Unfortunately, he wasn’t returned home after the typical probing associated with such things to tell an unbelievable story to his friends. Instead, he was summarily killed, and his consciousness was inserted into a Station Core, a giant metal egg-shaped object that could use technology to create traps, Combat Units, and other defenses to protect not just himself, but those he cared about.

After the death of his beloved mother, Swain is left at the mercy of his drunken father. His only respite from all the beatings and abuse lies in the words he scribbles down, seeking beauty in an ugly world through poetry. He has no friends until one day he meets a girl near his mother's grave. A restless spirit who calls herself Goose, over the years she encourages Swain's creativity, eventually helping him tap into a magical ability he never knew he possessed: a dark energy entwined with his despair, fueled by his anger, and controlled by his poetic verse.

Luke is an apprentice leather worker, training with his family to one day take over the business. He and his friends Andre, Taylor, and Zed have known each other forever, and swear that nothing will ever tear apart their friendship. Then the Royal Decree comes. With the Dynasty of Dogs invading, and strange monsters appearing in the Hollow Kingdom, a draft has been implemented. Everyone 17 or older is required to be tested for "Potential". If they have it, they will join the mysterious and renowned Ascender Corps. If not, they will be drafted into the Legion as a forced recruit.

Somewhere in the toxic Bone Pits, where mechanical nightmares roam, an emaciated and wounded young wolf clings to life. Wracked with pain, driven by instinct, it crawls across the subterranean landscape, avoiding the unnatural horrors that dwell there and seeking sustenance while fending off rats, insects, and other vermin stalking it as prey.

There is no weapon more powerful than the [Psychokinetic] mind. Astrid, a mischievous noble teen, long dreamed of exploring the ancient cities preserved beneath the waves, left behind from a time before the ocean swallowed the world. She's been training all her life to become a magic swordsman capable of doing just that. But when an ancient monster long thought dead assaults humanity's last bastion–a floating ship-city–she awakens her System early.

Ryan doesn’t remember much about his life before becoming a dungeon core. Only that he had a bit of a disagreement with the church—something to do with a beheading? Now reborn, Ryan begins to arm his darkness dungeon with devious traps, bestial zombies and ill-named skeletal creations, without doing anything too evil. Well, mostly. Some adventurers just deserve a stalactite to the head.