Somewhere in the toxic Bone Pits, where mechanical nightmares roam, an emaciated and wounded young wolf clings to life. Wracked with pain, driven by instinct, it crawls across the subterranean landscape, avoiding the unnatural horrors that dwell there and seeking sustenance while fending off rats, insects, and other vermin stalking it as prey.

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?

Spot was summoned from his comfortable charging pad and familiar floors to a world of magic and intrigue. But after the flight of his new patrons, he is left alone to care for a filthy castle. During his quest to keep this new home clean, Spot will face demons, foreign armies, and his arch nemesis, the dreaded stairs. All those who stand before him will be swept away. Those who follow his spotless trail will find enlightenment, purity, and a world on its knees.

Noah Brown has a gift for fighting. Unfortunately, punching things doesn't pay the bills, at least until he died and an Eldritch god found his soul. The encounter brings him to a new world, summoned by bloody cultists. He's got nothing but the shirt on his back and a strange item in his system menu.

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.

There is no weapon more powerful than the [Psychokinetic] mind. Astrid, a mischievous noble teen, long dreamed of exploring the ancient cities preserved beneath the waves, left behind from a time before the ocean swallowed the world. She's been training all her life to become a magic swordsman capable of doing just that. But when an ancient monster long thought dead assaults humanity's last bastion–a floating ship-city–she awakens her System early.

Earth was invaded. Earth was conquered. And humanity was summarily subjugated, as 400,000,000 people were culled. The terrifying part was this only took the Peacekeepers a second. There wasn't even a chance for us to fight back. In the blink of an eye, questions like whether or not we're alone in the universe or at the top of the food chain were answered. We were not. Not by a long shot. Despite the mass murder, the Peacekeepers promise they're benevolent. They don't want to rule Earth. They don't want to control humanity. They just want us to stop playing around with AI and genetics.

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.

A monster dungeon is all Thomas has ever known. After all, he was born there. Now, at age 14, he’s been solo-clearing all 100 floors of the dungeon for years. The last of his family and friends are about to die off as an eternal void beast tirelessly pursues them. Will they ever escape?

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.

Pete is a simple man who enjoys a good drink amongst good friends. Not too much to ask, right? Now, he's trapped in a fantasy world far from home, stuck underground and inside the body of a smelly dwarf with fantastic facial hair. The worst part? The swill that the dwarves are falling all over themselves to drink. It's flat, it's watery, and it has the alcohol content of a rancid coconut. Can Pete save the dwarves from their own sour fate, or will he be forever doomed to plink his pickaxe away in hopes that he hits the motherlode?

After fulfilling the duty all Arch Necromancers are tasked with, the last thing Sylver Sezari expected was to be reborn. He was usually the one reanimating dead things, after all. How ironic. But reborn he was. And after crawling his way back into the land of the living, he finds himself in a strange land, a strange time, and with a strange floating screen in front of his new face. Either through plan or chance, he’s alive again, and planning to enjoy himself to his heart's content.

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.

Leading astrophysicist Liam Jackson is participating in a scientist exchange program in Germany when a curveball of universal proportions is thrown at him. Planes fall from the sky, cars explode, and strange particles rain down from the heavens as monsters appear out of thin air. The laws of physics have changed in the world. The fundamental forces of the universe are behaving differently, and Liam needs to understand them if he wants to survive.

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.

Ryland Grace is the sole survivor on a desperate, last-chance mission - and if he fails, humanity and the Earth itself will perish. Except that right now, he doesn't know that. He can't even remember his own name, let alone the nature of his assignment or how to complete it. All he knows is that he's been asleep for a very, very long time. And he's just been awakened to find himself millions of miles from home, with nothing but two corpses for company.

Annie has always had high hopes for her future. But the reality of her life just isn’t measuring up. She loves her fiancé, Greg–doesn’t she? She’s going to get her degree and open her own business–won’t she? Then, a strange old woman shows up outside her house, and she seems to know a lot about Annie. An awful lot. Annie could tell the old woman to get lost. Yet there’s something about her Annie just can’t shake. And what she learns could change her life forever–but is it the life she envisioned?

Inheriting your uncle's supervillain business is more complicated than you might think. Particularly when you discover who's running the place. Charlie's life is going nowhere fast. A divorced substitute teacher living with his cat in a house his siblings want to sell, all he wants is to open a pub downtown, if only the bank will approve his loan. Then his long-lost uncle Jake dies and leaves his supervillain business (complete with island volcano lair) to Charlie. But becoming a supervillain isn't all giant laser death rays and lava pits.

For some it’s an opportunity. For others it’s a moment to question their faith: In God, in science, in everything. Still others try to keep the world running in the face of absurdity and uncertainty. And then there are the billions looking to the sky and wondering how a thing that was always just there is now... something absolutely impossible.

Six days ago, astronaut Mark Watney became one of the first people to walk on Mars. Now, he's sure he'll be the first person to die there. After a dust storm nearly kills him and forces his crew to evacuate while thinking him dead, Mark finds himself stranded and completely alone with no way to even signal Earth that he’s alive - and even if he could get word out, his supplies would be gone long before a rescue could arrive. But Mark isn't ready to give up yet.

After Lucas dies during a freak explosion, divine intervention sees him brought back to life with the power to control a new dungeon. There are just a couple of issues: his old body is bound to his dungeon, and the craziness of what he thought was his final act is only getting weirder. When he sees newbie adventurers entering his dungeon, though, he decides to help them survive and complete their quests. After all, adventuring is a process, and someone needs to guide the rookies.

Somebody once told a joke. A man ran in place all his life. He worked a job he didn't love for people he couldn't stand. But at the end of the day, the number in his bank account went up. That man got a second chance at life. He woke up in another world, one full of adventures and romances and monsters and gods. And floating above his head, he saw the number "1". So what did he say? "Gosh, I better make the number go up." Not today. Not for this old soul. Reborn as a beast of battle meant to live a short life and die screaming, Garek refuses.

She's unlike any one or any thing else: a Non-Standard Leashed-Intelligence Cybernetic Enforcer aka NSLICE-00P. The first of her kind, she's let loose into a universe of superheroes on behalf of her sinister masters to destroy all who oppose them. And everything's going according to plan—until NSLICE-00P gets hacked and sent into the past to kill her own creator before he creates her. Obeying orders as always, she wastes the poor guy. Unfortunately, there are consequences to initiating a reality-breaking time paradox. The most significant: total ejection from that reality.

Working as overnight tech support, James Lyle has long said he’d do anything to escape the boredom. But his commitment to excitement is tested when a slight coincidence one shift sends him to a different part of his office building . . . and he discovers a stairwell that contains not stairs but rather a landscape of seemingly infinite cubicles against a distant horizon. Unwilling (and unable) to stay away, James and a few of his trusted friends begin to explore this endless maze of supernatural business ennui.

The train station harbors danger. Each day, one portal opens, leading to daunting trials and battles of life and death commanded by masked facilitators. Asher is forced to rely on his instincts and his weapon. He must navigate this treacherous world, both solo and with teams, and contend with other players, each harboring their own motives and ambitions. Confronted with unimaginable challenges, every day unveils a new hurdle, and each victory is bitterly earned. In this world intent on crushing him, Asher must fight to survive.

Everyone becomes prey when Earth is swallowed up and transmuted to a bestial landscape, the first stage of induction into Elysium's multiverse and a new galaxy in the making. In the blink of any eye, the bloodthirsty creatures of Riven Thane's worst nightmares are unleashed as he; his sister, Allie; and his friend Jose scramble amid the carnage to live another hour. But on this nothing of a planet, Riven is more special than he knows. He's among a select few with a singular bloodline, and the Elysium system has its eye on Riven in particular.

When Pyresouls released, it was a brutal new virtual reality game with a twist: The first to beat the game would win billions of dollars. But after the Burgon Beast couldn’t be defeated, Pyresouls turned very real and unleashed an apocalypse of undead, monsters, and a system of levels and stats onto the world. For many years since, Jacob Windsor has fought with sword and shield to survive Post-Collapse Earth where only ancient, guilt-soaked weaponry can harm the monsters from Pyresouls.

The system came. The apocalypse ended. Now new worlds have merged with Earth. For Bain Lee, it means leveling his Ocularist class beyond its previous limits. With this strange class and the ability to see into the inner workings of the system, he may find the magic skills needed to earn his redemption. Not only that, but he might discover the secret behind the system itself.

When Luke Bennet wakes in a world where time flows differently than it does on Earth, he discovers his family, gone missing over the last year, has been dead for a hundred years here. Left to survive in the wilderness as marmots, murderous goblins, giant spiders, and a two-ton raccoon all try to kill him, Aros's latest off-worlder must depend on his newly acquired system to help him level up and live to fight another day.

Luke was your typical nine-to-five office drone when he was killed in a head-on car collision during his morning commute. Instead of going to heaven, Luke's soul is brought to a hellish realm on the verge of total destruction, where two supernatural beings soon engage in brutal combat. Defeating her rival, the victorious Arke prepares to claim her prize, the powerful God Seed. But the ancient artifact has plans of its own, offering to soul-bond with Luke, who accepts and flees to the world of Theos to escape Arke's wrath.

Without so much as a warning, humanity in its entirety was suddenly moved to another dimension. Every person, without exception. But this new world, with all its opportunities and gifts of wondrous abilities, was a stadium. A deadly arena of an unimaginable scale. And humanity was to be its latest gladiators. Every man, woman, and child was given a weapon and ordered to fight. Stuck in this dimension without a way out, only two options existed for the would-be hunters: Fight with monsters to complete the many trials ahead, or perish.

Ninety years ago, Earth was consumed—and irrevocably transformed—by a cloud of alien nanites known as the Mist, bestowing humanity with uncanny abilities and enhancing technology far beyond early twenty-first century science. But these advancements came at a high price: Billions are dead. The planet has been overrun by vicious monsters. And alien overlords await the opportunity to swoop in and exploit what remains of Earth and its people for all their worth.

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?

Five friends, gamers for life, gather for their usual game night. Yet, when they use a strange new die they are transported to a fantasy world where all gaming ideas can come true. Together, the party must join forces to deal with the vile Necrolord whose plans will not only threaten this world, but Earth as well. Should be easy for a team of adventurers, but when gaming and real life meet, there are situations which cannot be anticipated.

Anya Nowicki, along with thousands of people around the globe, has found herself a host for alien technology known as the Archive. The Archive allows its hosts to alter their minds and bodies in an instant through holographic menu systems. With the touch of a button, anyone can become super strong, gain magical abilities, purchase a giant robot, or become a master in an almost infinite number of skills ranging from advanced combat techniques to fidget-spinning.