The Dungeon is a place of magic and mystery, a vast branching, underground labyrinth that has changed the world and the people who dare to enter its depths. Those who brave its challenges are rewarded with wealth, fame, and powerful classes that set them apart from the rest.

Arthur lives with his father, a fallen but proud former noble, in Border Village #49, along with the other good folks condemned to toil in service to the Baron. But Arthur has an edge: a stolen heart card that secretly fell into his possession, thanks to a dragon. It’s a priceless source of power for the Baron and the tyrant will kill to get it back. Invaluable, too, to a young man of spellcasting ambitions.

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.

How well would you fare if the apocalypse fell upon you? Could you survive more than a few days? Would you be able to feed yourself? Find clean water? Safe shelter? Heal your wounds? Allistor is a gamer geek who has spent most of his life indoors, playing virtual reality MMORPGS and reading classic LitRPG books. But when Earth is seized by an ancient race wielding incredibly advanced tech, who transport the entire planet to a new location with twin suns, he finds himself fighting to survive in real life.

When it comes to action and adventure, every hero needs a good sidekick. Holmes has Watson, Batman has Robin, and Daniel has . . . Orrin. More like brothers than friends, they always have each other's backs. And as Daniel is the big, strong, handsome type, Orrin is more than happy to remain in his shadow at school, at parties, pretty much everywhere. Then things take a turn for the truly weird when a terrible accident catapults the pair into a world totally unlike their own, in which the rules of a role-playing game hold sway.

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.

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.

Corporate flameout Ned Altimer dreams of leaving his world behind. So, when Earthblood Online splashes onto the VRMMO scene, he dives in and never looks back. His advantages are twofold: exclusive access to the game’s three-day Head Start period, and a ridiculously handsome talking axe named Frank who has knowledge of the game’s deepest secrets...if the magnificent Frank ever feels like sharing them.

Jake is working at the neighborhood market under his apartment when the world ends. He expected nuclear war, a computer virus, or even climate change burning everyone to a crisp to bring about the downfall of civilization. But cruel and arbitrary gods from another world? Who would have guessed that? When these cruel gods shuffled Earth like a deck of cards, nothing was in the same place anymore. Monsters, dungeons, and magical items appear scattered across the globe. And suddenly, everyone has access to a new, strange magical card system that gives them magical powers.

Rob didn't think of himself as anyone special, but when a pitch-black portal tried to wrap his best friend in chains, he stepped up without thinking and found himself ensnared instead. His moment of heroism results in being torn away from everyone he knew and loved, kidnapped by an unknown force that leaves him with a note in his pocket stating: "Good luck." After being thrown into the wilderness of Elatra, a hostile fantasy world ruled by levels, stats, progression, and bizarre video game logic, he finds himself entirely out of his depth.

Silas is inducted into the System, becoming the last in a long line of Earth's "forerunners." The rewards are great, but the danger is greater. We are not alone in the universe. The fate of five worlds hangs on how their forerunners perform. Will Silas have what it takes to win Earth a place in the multiverse? Or will Earth become another mining world stripped of all resources and left a barren husk floating in the cosmos?

In the latter half of the 21st century, Alexander and his guild mates play Io Online for fun and to earn a living. Given the chance to test a new experimental immersion system, the veteran players must give up their high-level characters and begin again at level one. As they work through the noob zone quests, they discover that the new immersion system allows them to play in ways that hadn't been possible before. They quickly run afoul of a party of player killers and become the targets of an entire PK guild bent on spawn-camping them until they leave the game. War has been declared.

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.

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.

Dungeons suddnly popped up across the planet, summoning invaders and monsters from alternate realities. Ancient gods slumbering beneath the Earth were woken. And all humans were empowered with Levels and Classes gained by, among other things, killing monsters and other humans.