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.

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?

Basil Bohen was asleep when the System arrived and the world changed... Dungeons suddenly 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, amongst other things, killing monsters and other humans.

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.

The path ahead of him is arduous, the challenges many, and the chances of survival are slim. But he is determined to become the level up rebel, a warrior who will unite the survivors and destroy the system holding the world hostage.

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.

Accidentally murdered by a cleric in another universe during a botched resurrection, Arnold, a semi-pro gamer, wakes upon an altar to find himself incarnated into the overweight body of a farmer who could have been his fatter twin. He’s not the hero. He’s not the villain. He’s certainly not the chosen one who is there to save the world. He’s a clerical error. It could be a bad joke, but apparently, it happens so often that they have a standard procedure for returning you.

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.

In a magical world known as ‘The Wyrd’ only those who have the Spark can be adventurers, diving into magical dungeons, getting epic loot, and leveling up by collecting essence. Caldor is several years past the age when most people find out they are sparked, but that doesn’t stop him from wishing. Caldor’s father was an adventurer and he wants nothing more than to be like him, an Arcane Knight. When his hunt goes sideways and he finds that he can harness the powers of being a Sparked, he is filled with excitement and ready to battle his way to the top!

Maulkin didn't know dying would mean a new eternity of dungeon delving, monster slaying, and glory hunting. If he had, he wouldn't have been so worried about kicking the bucket on a date gone even more wrong than usual. Reborn in the wild world of Amaranth, Maulkin finds himself in a hulking demi-human body with a sword of a size to match. Marked as an Eternal, a fledging immortal of boundless potential, Maulkin soon discovers he's been given a mission by the elder pantheon of this new realm.

A world on the precipice of the apocalypse. A secret forged in the flames of war. A chance to start over. For John Sutton, only one of those three things matters. Retired from a decade of brutal war, he wants nothing more than a quiet pastoral life while he does his best to stem the steady increase of his Doom Points before they hit 100, signaling the start of the end. He’s been given a small farm on the outskirts of the empire as a thanks for his service, but no matter how far he travels, it's impossible to escape the war's devastating effects on the world.

An AI calling itself Schema has assimilated Earth into its System. As a consequence, everyone gained access to status screens, power-ups, and skills. This AI turned these concepts from fiction to fact. It's easy to become intoxicated with leveling up and becoming stronger. To some, it's too good to be true, like living out a dream. For Daniel, however, it's closer to a nightmare.

After the collapse of the known world, Rowan Wilder opened his eyes and found himself on the first floor of the Tower. With a flawless memory and a mere eight cards to his name, he must venture out and prepare himself for the coming calamity.

Jeb Trapper tried to kill himself. The gun jammed. Two months later, the vet is now participating in underground trials of ecstasy to treat his PTSD. Everything seems to be going great until Jeb is teleported into a tutorial, along with everyone else on Earth. Now, he has to choose the level of difficulty. There's just one problem: He's high as a kite, and nothing seems impossible.

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.