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.

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.

Max wanted to be a [Baker]. Settle down, bake stuff, and enjoy life. The gods, however, ruined that dream. Given [Baker] and a rare black skill, he is now running for his life, trying to grow strong enough to return home. Now, Max must find a way to grow strong enough to survive the people and the god hunting him.

Tragedy had reduced James to a nobody. Washed up and homeless in NYC, he thought his life was over. Then a message appeared in his vision: [60,000-year countdown has ended] [Nemesis 1 released] [Please acknowledge]. As the world falls apart, as billions die, as society collapses, and all hope seems lost, James discovers a powerful truth: he was wrong to think himself a nobody.

Ten years ago, Amelia woke up alone and lost in a broken world where she had to fight for her survival. Now, after reaching the pinnacle of power, defeating the Void itself, and escaping the abyss, she has finally found her way back into the real world. But instead of returning to Earth, she arrives in the land of Vacuos. A fantasy world with magic, monsters, Classes, and Levels. A world that is governed by a System like it were a video game.

Catherine "Cat" Leblanc is an orphan that is about as far from super-rich as one can be. When the Incursion alarms start blaring and the sky starts raining hungry xenos, it's just another blemish on an already piss-poor afternoon.

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.

Arc was an ordinary young woman from Earth when she was summoned to an icy hell where she fought for her survival in the name of training to become a hero. Now, after defeating the Overlord itself and achieving the status of hero, she leaves with the goal of enjoying her freedom. She arrives at Arlas, a fantasy world with magic and monsters, a world with numbers, tiers, and classes, a world governed by the System that summoned her.

They stand with the Elder Dragons and the Spirit Dryads as creatures of legend. Timeless. Immortal. They live solitary lives, drawing power from their own soul. They are the hermits of the sea, their power unmatched in the ocean. Yet, this power is not attained easily, for as Thera will learn, the life of a baby Mystic Turtle is full of trials and tribulations.

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.

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.

The Netherworld: it is a hellish landscape inhabited only by demons. Joining the ranks of newborn demons, Salvos is thrown into the violent, anarchy-ruled landscape of that world. To survive, she will have to learn, she will have to adapt, and she will have to evolve. She will gain experience to reach new Levels of power. Her curiosity aids her but her pride could be her fall. It is the nature of the Netherworld to avoid or conquer any threats faced. After all, the law of evolution is survival of the fittest, and Salvos is a survivor.

The elves took everything. Following a bloodied slaughter of her whole race, and struggling to stay alive, she had no choice but to survive on her own. That was until the world changed. Her entire planet; a whole cluster was introduced to the vast universe by The System, or perhaps God. A universe filled with endless beings and civilizations that fought for power and dominance. After the integration, Blair finds herself in a forest surrounded by unknown beasts, peril lurking, alone. Alone and with nothing but the mentality to survive, she will have to get stronger in this unforgiving world.

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.

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.