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.

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.

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?

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.

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.

Sam was surfing with his cat when the world ended. Suddenly enlisted into a battle to fend off annihilation, Sam seizes the strength of the void to survive. In the aftermath, Sam is thrown into a new world shattered into floating islands with survivors from Earth. Training and fighting with his giant sword and apocalyptic mana alongside his magical healer cat, Sam's unusually quick to adapt to this deadly realm of monsters and magic. With endless threats to face and countless powers to attain, Sam's journey of ascension climbing has only just begun.

A lost soul from Earth transmigrates into a world of cultivation and finds himself in the body of a playboy noble who is wasting his life. Except Chen Haoran doesn't have any memories, can't let anyone know he's not the same person, and is immediately involved in a conspiracy with another powerful noble family involving the downfall of a prominent young genius. Luckily, he came to this world with a power: Whatever he gives to someone as a gift he'll get it back 100 times better.

April 3rd, 3:46 AM. Planet Earth merges with the magical world of Arcadia, and a system gives humanity a choice: 40 years of indentured servitude, or entering a tutorial as a user to fight against the chaos incursion. Will doesn't hesitate—but the system thanks him for stepping into the fight by throwing him into an impossible tutorial. With little chance of survival, Will has a simple response: “Screw it. Might as well fight fire with fire."

Ever since Arwin was summoned as a child, all he has known is war. And now, to claim the demon queen's life and end the war, he has to sacrifice himself. But, as he deals the final blow, the Hero of Mankind is betrayed. Caught in a magical explosion thought to end him, Arwin awakens a month later to find that everyone has already moved on. His [Hero] class has changed to a unique blacksmith Class called [The Living Forge] that is empowered by consuming magical items, but some of his old passive [Titles] remain, giving him the power to forge his new future exactly the way he wants to.

Jack Rust was a disillusioned biologist with a PhD—almost. When an extraterrestrial AI calling itself the System invaded Earth and thrusts it into a world of aliens and violence, the least Jack hoped for was gaining access to magic.

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.

Upon awakening in an abandoned lab, Evelyn is empowered by a system that grants her bloody magical powers in exchange for finishing missions and consuming her enemies. She knows one truth: no matter the cost, she will advance. She'll manipulate allies and spread demonic corruption with a smile if that's what it takes to level up. Her first mission is to escape the lab's other newly born creations. But once she steps foot into the world outside of the lab, she must contend with people who forbid her existence and who will work to eradicate those with her powers from the face of the planet.

Elaine is ripped from this world to Pallos, a land of unlimited possibilities made real by a grand system governing classes, skills, and magic. Join Elaine as she travels around Pallos, discovering all the wonders and mysteries of the world, trying to find a place where she belongs, hunting those elusive mangos, all while the ominous Dragoneye Moons watch her every move.

Syl was given a choice by Gramps when they died. Reincarnate as a regular person or embark on a daring experiment. Driven by a desire to honor Gramps and a sense of adventure, Syl chose the latter... only to awaken as a lowly slime. A farmed slime. The life of a farmed slime was cruel. Syl was constantly at the mercy of humans, a slime whose only purpose was to eat and recycle garbage. The threat of lethal core-destroying knives wielded by innocent children was a constant shadow. This was not the life Syl had envisioned. So, they made a daring escape to the wilderness!