For decades, the governments of our world have been fighting a desperate and secret battle to keep hordes of alien invaders away from our planet. When the guardian of the United States falls, a new champion must be chosen. Sadly, the choice of a champion isn’t ours to make, and the Galactic Conflict Authority selects a human, seemingly at random, to lead the United States of America’s efforts at holding back the tide.

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.

Ilea likes punching things. And eating. Unfortunately, there aren’t too many career options for hungry brawlers. Instead, the plan is to quit her crappy fast-food job, go to college, and become a fully functioning member of society. Essentially—a fate worse than death.

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?

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?

Benny White had been having a rough couple of years, and the approaching apocalypse wasn’t exactly helping. Pulled from the point of death and thrust into a horde-mode-style survival game, Benny’s odds weren’t looking too great. To make matters worse, an eldritch god… entity… thing named ‘Dave’ tasked him with destroying the very System that now controls his fate. But hey, it's not all bad news. Benny’s experience as a lab tech grants him a rare Splicer Class that lets him repurpose the genetic material of slain enemies into augments for himself.

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.

After close brush with death, Garrett realizes that he’s in a new world. And worse, he’s missing an arm and paralyzed from the waist down. A fact that doesn’t deter the brutal gang lord whose floor he’s crashing on from wanting to throw him out into the street. The only thing standing between Garrett and a cold death at the mercy of the city’s scavengers are his own wits and a plucky young woman. Armed with a system that gives him experience for exploring his new world, Garrett is determined to do whatever it takes to keep himself safe from the threats closing in all around him.

Due to unusual circumstances, Randidly starts in an isolated dungeon far beyond his level, forced to rely on the mysterious Traveler Shal in order to learn and survive with the dangerous new status quo for his world. But survive he does, only to leave the dungeon and discover that while he experienced several hellish months in the dungeon, only half a day passed on Earth. Randidly's capabilities are now more than enough to help build a small enclave of survivors, but that doesn't mean balancing his sense of responsibility against the plots of an unfriendly town will be easy.

Oren, a high-level guild master, wakes in the body of a lowly goblin. Cast out, betrayed by his most trusted advisors, Oren is stuck in New Era Online. However, there are advantages to being on the monsters’ side. Starting from scratch, he’ll have to build up a powerful monster clan to take revenge. But first, he'll have to survive long enough not to be someone else's fodder.