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.

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.

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.

Zaria was just a normal woman, living a simple life—until demons burst through her door and ate her heart. Reborn from tragedy, Zaria rises from the ashes as a Core, but with a twist. A rare mutation has turned her into a Mutant Core, destined to explode unless she forms a bond with a human witch to become a Striga. Her mutation? Legs. With the power of a full dungeon compressed into a walking house that is her body, Zaria sets out on a journey to find her Striga and avoid detonation. Along the way, she battles demons, builds her dungeon, and feeds her mimic mobs.

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.

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.

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.

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.

Betrayed and left for dead by a group of slaving nobles, he thought there was nothing left but to bleed out as he counted the number of bricks on the ceiling. But fate had other plans.

Newborn Dungeon Cores must choose what entity they help contain, and that choice determines what monsters they are able to summon. After being executed for crimes forgotten in death, Tira is given the chance to make that choice. Tira chose Acekorah, the Primeval Terror, a being so dangerous few cores will risk trying to contain it.

Anthony has been reborn! Placed into the remarkable game-like world of Pangera. But something seems a little off... What's with these skills? Bite? Dig? Wait.... He's been reborn as a WHAT?! Follow Anthony as he attempts to adjust to his new life as an ant in his new Dungeon home. He'll have to learn how to survive, level-up, and grow both himself and his bite-sized colony into a force to be reckoned with.

Matt is reincarnated as a Tree. Not just any tree, but an overpowered one in a fantasy world that serves as the battlefield for an ongoing conflict between demons and the heroes summoned to oppose them. But Matt can be a great tool against the evil forces. TreeTree (as Matt comes to be known) will learn all sorts of skills, gain levels, and in doing so, build up a forest, train young subordinates, protect a village, and more.

After more than 700 years, he was expecting a peaceful and lonely end to his long life. That, however, was not meant to be. A single choice changed his fate, and his soul was forced to live again as a dungeon. Reborn but shackled to the heart of a mountain. This old soul has lost everything - and more. In a world of gods and demons, there is no room for a weak newborn dungeon. The path may be long and dangerous, but with a soul hardier than stone and a will stronger than iron, will he be able to forge his own destiny?

Tricked into a world of banished gods, demons, goblins, sprites and magic, Richter must learn to meet the perils of The Land and begin to forge his own kingdom. Actions have consequences across The Land, with powerful creatures and factions now hell-bent on Richter's destruction. Can Richter forge allegiances to survive this harsh and unforgiving world or will he fall to the dark denizens of this ancient and unforgiving realm? A tale to shake "The Land" itself, measuring 10/10 on the Richter scale, how will Richter's choices shape the future of The Land and all who reside in it?

Regan Earle was a robotics scientist that inadvertently caused the robot takeover of the world. When his last creation completes a decade-long plan to end his own life, he ends up surprised. Creation offers him a second chance to test his wits and cunning in another world. Fate, however, is fickle and Regan ends up as a Dungeon Core...with all his memories. Is the world of Murgin ready to face such a dungeon? Let's find out....

Slain by the Gods and reborn as a Dungeon Core, Ace becomes the only dungeon in the world able to resurrect adventurers after killing them and stealing their power. Centered in the battlefield between the six elemental factions, Ace begins his ascension through the ranks of advancement in tandem with the first human to enter his domain. Dungeons of the six factions live symbiotically with humans, each growing in power from interacting with the other, however that quest for power has left the human world in a state of constant conflict— a conflict made exponentially worse by the recent ...

When our protagonist, Andrei, discovers that his girlfriend has cheated on him, he finds himself with an unexpected choice to make: a quick death or a new life in another world he knows absolutely nothing about. Andrei chooses life and sets off alongside his pet, a ginger cat with a limp, for a primeval world fraught with danger. The trouble is...who is whose pet becomes entirely unclear; the man's consciousness is split between both creatures, and the little cat gets a far greater share of intelligence and wit than his hulking master.

The gods should have agreed to fight the giants and let Ragnarök run its course and bring about the end of time. For a new world could only rise from the ashes of the old. But because the gods prophesied to die refused to take part, Yggdrasil - the World Tree - was forced to act before the stalemate led to the annihilation of the nine worlds and its very existence. And so I was born. One of the many seeds dispersed by the mighty World Tree, I was teleported through different planes and universes to find a new home where to settle.

I died and was accidentally reborn as an [angelic monstrosity]. So now I'm building a holy dungeon-tower that is tall enough to reach the gods...so that I can complain about it! But the humans think that I am trying to destroy the world.

The Aether Shift. An event that changed the world forever. Unleashing untold powers onto the minds and bodies of humans on Earth. Some were chosen, against their will, to become something new. Azaria, finally allowed leave the house on her own for the first time, ends up as a Dungeon Core, however, the situation gets turned sideways during the process and she's left alone for nearly a year. Lance, an individual with a hidden past has been struggling in the changed world that is Earth. Meeting Azaria through a twist of fate, what will change with the two brought together.

It was just another sunny day at the coast when a life was changed forever. What started as a prank for a young girl resulted in the elevation of a crab's existence. Now, wrenched from its happy life at the beach, the crab...HAS AWAKENED. Sir Crabby finds himself thrust into sapience. Into a world filled with creatures both mundane and magical, a world where evil lurks beneath the waves. Join Sir Crabby as he travels beneath the ocean, discovering power, adventuring forth and searching for his young friend as he's thrust into the Eternal Conflict of Arthos.

Reborn into a fantastical RPG-system based world, Fresh is offered a second chance at life. Initially glad to have escaped her old existence, she quickly realizes that this new one might not be much better. Her new body is too frail to follow any grand dreams of adventure, her new mind is too dulled to allow any meticulous planning or thought, and this new, seemingly colorful, kind world is anything but.

Arktania is a virtual game with a steampunk style. It's a place where magic spells, enchanted artifacts, steam-powered machines, firearms, and mechanical golems are a part of everyday life. Gamer Andrew Falk begins his journey in a small village on the border of Orcish territory. The locals are the keepers of many secrets, but their behavior is too realistic for characters in a game; so realistic, in fact, that Andrew starts to treat them as if they were real people.

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.

Dying might just be the best thing that ever happened to Dare. Not the dying itself, of course, although thankfully he doesn't remember it. He finds himself in a gray void, where a mysterious voice offers him a choice: Continue on to whatever awaits him in the afterlife, or be reborn on a world with video game-like mechanics. Which as far as he's concerned isn't a tough choice at all. Just that quickly Dare begins a new life full of possibilities, eagerly venturing out to explore a breathtaking world, level up and become powerful, and romance and fall in love with beautiful women of an ...

When I climbed out to the surface this morning, to scavenge some food for my village, I knew the odds were severely stacked against me. A mere nurse, I had no business going out into the sun, where all kinds of monstrosities roamed. As if to prove my fears right, I was only out in the open for a few minutes when a pack of Kinru spotted me. I was quickly cornered. In a desperate attempt to defend myself, I managed to hurt one in the face...right before the creature was snatched by an even bigger monster. Then everything became a blur. And when I came to, I wasn't the same anymore.

As a knight of Talin and adventurer, Fortuna had been fully committed to living in two worlds in order to serve the country and its people. When unexpected disaster strikes, she finds herself on the brink, only to be saved by a mysterious butler who offers her a trade: the monster she'd killed in exchange for a meal. With nothing to lose, she accepts. The young knight finds herself invited into a magical dungeon that can appear anywhere at any time, where the patrons are served meals hunted by their own hand.

Efrem "Coleslaw" White is a video game tester and college student. He was on a tropical vacation with a diverse group of strangers, classmates, and friends when disaster struck. The next thing he knew, he was standing before a huge, floating man introducing himself as the god Dolos, and being given a second chance at life. There was a catch, though. There is always a catch.

A game is only a game if you can quit. This is something I learned the hard way. I just wanted to let off some steam in virtual reality and ended up getting murdered and imprisoned in the body of one of the undead - slow, clumsy, and cursed to die at the hand of other players over and over again. The only way out of this awful predicament was to find the legendary Scroll of Rebirth, but the helpless plague-ridden corpse would need to be turned into a real killing machine. If only people knew what it was like to level up a dead rogue....