James Toledo is dungeon descended, third son of a Dungeon Lord. His father was one of the 14 rulers of the Empire of Varad, each in charge of a dungeon core. James never believed he would have a chance to become a Dungeon Lord on his own, despite his dungeon-enhancing perk. But his grandfather found a new dungeon core, and made a deal with a creature of unimaginable power to become the new dungeon’s boss monster. Unfortunately, before James was given control of the new dungeon core, his grandfather was assassinated, and his family murdered or kidnapped by unknown, masked assailants.

Against his will, Thaden was transported elsewhere in a big flash of light along with millions of other Humans from Earth, to a place where they would train to become Contenders in a whole new world. Unfortunately for him, something occurred during his transference into the “Training” program, and he was ejected from the whole training process and sent into the open mouth of an active volcano for bodily disposal.

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.

Leo wanted to make something out of himself—and build dams. However, the world doesn't want dams. And it mostly doesn't want civil engineers. It doesn't want men who do any sort of building or fighting or grand design, it seems. So, when Leo finds his current girlfriend and boss being threatened by a brutal loan shark and all three of them get dragged through a portal to another world, it doesn't take long for him to decide this is the place for him. Plus, everyone has magic, and who wouldn't want that?

The usual result of a human taking a runaway semitruck head-on is a very sudden, very fast track to the pearly gates. But for one newly noncorporeal man, there's another option: become a dungeon. Feeling sorry for the desperate angel assigned to him, the man relents. Heck, if it doesn't work out, he can always chat with Saint Peter about it later. Next thing you know, he's a dungeon. Admittedly, a small run-down, somewhat unimpressive dungeon (more of a house, actually), but you gotta start somewhere, right?

Alexandra Rousseau, an engineer from the European Federation Star Navy with a past darker than the void between the stars, is unexpectedly launched into hyperspace when an FTL jump goes horribly wrong. She wakes in a world of magic and monsters, encountering a mysterious Order with plans millennia in the making. When the Order makes a catastrophic mistake, transforming Alexandra into a dungeon core, they inadvertently give her the power to bring back technology long since thought lost in this world.

Multiverse Z came knocking, snatching all the humans from Earth to integrate with their game-like realms of magic. No warning. No tutorial. It's an instant transition where eighteen-year-old Joey Eclipse is thrust from his relaxing night playing video games to a stone room with two doors. There's nobody but him. The system messages asking some cryptic questions: [Adventurer or Commoner?] [Greatness or Steadiness?] And more. Joey made his choices, choosing the path of a Great Adventurer, a limited and special category. A unique profile is designed for him.

Sam Smith, the biggest superhero fanboy ever, was excited to get super powers...until his first evening as a crime fighter meant dealing with the villain Exosuit. Then Sam died. It was a heroic death, but still not how Sam imagined things going. To his surprise, Sam wakes as a "Villain Core” - the AI behind superhero training centers. He’s quickly informed that an equal number of superheroes and supervillains will be created for an intergalactic competition over the control of Earth, and Sam must prepare his side - the superheroes - for this grand war.

Five years in the prime of his life, wasted. And now finally, after so long, he was returning to society, ready to resume his life. And this time he wouldn't make the same mistakes. This time, he would do it right. Yet just as he was about to gain his freedom...everything changed. He found himself in a new world without explanation, a world of magic and possibilities beyond his wildest dreams. Orc, elf, ogre…hundreds of possible races. Blacksmith, fighter, rogue…thousands of possible classes. And each of them with tens of thousands of possible skills.

A mysterious force transports Noah to a fantasy realm of magic and levels. Unable to return home, he leans into his Blacksmith Apprentice class. By killing creatures in battle, mining ore, and even picking plants, Noah will obtain the ingredients he needs to create items to help him survive. His old life drags on him at first, a fact he doesn't let hold him down, because on Prixa, there's a brutal war between feline warriors and werewolves.

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.

Jiran is just a child when he receives shattered, imperfect memories of a past life. Nestled inside these emotionless visions is a magic very different to the density and mana he knows, the magic of science. The empire stands alone against the relentless beasts of Madra. Their only means of survival is harnessing the density that saturates her surface, a magic they cannot possibly understand. Will Jiran realize he holds the key to unlocking humanity's infinite potential before they are all wiped out?

With all civilization now on the brink of collapse, humanity's only hope is to find and kill the World Boss in order to restart the monster's rebirth cycle and bring back magic. When the Plagued janitor Harvey stumbles into a mysterious wreckage and accidentally kills the missing World Boss, he gains a million experience points, making him the target of almost all the would-be adventurers of the world.

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.

Eric was as shocked as everyone else when the apocalypse struck, but unlike his mother's movie, there were no chosen heroes destined to fight the beast hordes now overrunning the planet. Just people trying desperately to survive. Yet there was a glimmer of hope that humanity could hold on to. A chosen few really could level up in this brave new world, and embrace magic, adventure, and the potential for limitless power!