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.

Jay Luckrun has many interests: street dancing, anime, action movies, comedy, and dashing across rooftops to the point where his bullies nicknamed him Rooftop Weirdo. After struggling to confront his untouchable high school crush at her seventeenth birthday party, Jay adds another interest to his list—Dungeon Crawling in the face of the apocalypse. Jay meets a divine creature who chooses him to become a Champion. Someone with a leveling System, stats, skills, access to other dimensions containing dungeons filled with supernatural loot, and magical powers that’ll alter reality as they know it.

With a knife in his gut, Rowan figured he was destined to become just another corpse littering the slums of Taureen. So he was fairly surprised to wake up in the back of a moving wagon with a couple of adventurers. Turns out that Rowan had been given something most street rats can only dream of—a second chance.

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.

Through no fault of his own, Joe’s life was starting on a downward spiral. Bad things can happen to good people, but this is not much comfort for those who are treading water, trying not to be drowned by misfortune. Luckily, sometimes people can catch a break, a chance to start over. When he's transported to an alternate Earth full of magic, wonder, and light RPG elements, Joe just wants to build a comfortable life. He begins to put down roots and make friends in the port city of Lockwood.

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?

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.

Five hundred years of fighting demons and humanity has been pushed to the brink of extinction. As the last bastion of the remaining humans is shattered, Bran Heros, the Wandering King, decides to enact a last ditch effort. He’s going to send his soul back in time to two years before the demon invasion comes to earth. This time when the demons first come he’s going to be waiting. He might not be as strong as he was in his past life, but he has something far more important.

Jackson Hunt wants nothing more than to be a professional monster tamer - skilled trainers who raise and battle magical creatures called Djinn. He longs for the day when he comes of age and can leave home to pursue his dreams of taming Djinn. Unfortunately for Jackson, dreams and reality don’t always coincide. To help his grandmother make ends meet, Jackson spends his days doing manual labor on a breeder’s ranch - just about as far removed from the bright lights and roaring crowds of the DBL (Djinn Battle League) as it gets.

Eizo is a middle-aged, overworked software engineer who loves cats. One night after working late, he saves an injured cat from a speeding truck. The cat survives, but Eizo does not... Luckily, that cat turns out to be a god-like being who offers him a second chance in another world! Eizo decides that he wants a slower life, one where he can live off the things he creates with his own hands. So, why not become a blacksmith? He does have one other stipulation: a cat companion for his quiet life.

Danny Youngblood's destiny was fire magic, just like every man in his family. But fate had other plans. When he enters the prestigious Imperial Mage Academy, his powers manifest as something far more rare and dangerous. Monster Summoning! Now, Danny's a walking dungeon core, able to absorb creatures and unleash them as powerful allies.

Choosing a college when your family is struggling can be difficult, but it isn’t supposed to be world ending. And the falling meteor is seriously limiting Matt’s options. Now in the aftermath, his home city is locked down by a mysterious dome, corporations are looking to monopolize a wealth of new untapped resources, and people are suddenly developing powers via a System that seems to have borderline sinister intentions. In the chaos, Matt decides to stick to what he knows: use his stealth class to adapt and survive.

Nathaniel's bus ride was supposed to be just another boring commute. Wrong. Now, he, 23 fellow passengers, and a corgi named Biscuit, are stuck in a "Hell Difficulty" Tutorial, battling monsters and leveling up to survive. Easy difficulty, anyone can handle. Normal difficulty, you've got to put up a fight to get by. Hard difficulty is where only the tough ones last. And Hell? That's where you have to be a bit out of your mind! With his terrifying talent for mana manipulation, Nathaniel decides to invest every stat point into mana.

Ashlock wakes in the courtyard of a demonic sect... as a tree. A tree that eats people. An odd start to a new life. Almost as strange as the humans flying through the skies on flaming swords and challenging the heavens. After all, this is a world where humans could chase the goal of immortality through the art of cultivation. But Ashlock is merely a sapling in a desolate courtyard, left alone with his thoughts and unable to speak to those passing him by. Unless he does something about it.

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.