The aliens didn't conquer Earth. They negotiated exclusive streaming rights instead. Unbeknownst to humanity, the powerful Voltaxians controlled the galaxy, their vast empire fueled by their monopoly on mana. Humanity feared invasion, only to find out the godlike aliens had something far different in mind. The Voltaxians offered a simple deal. Allow them to set up dungeons controlled by living intelligent dungeon cores on Earth to generate mana, and they'd share the wealth.

Locked away in a padded room, Gambit watches as the world goes to hell. Blood rains from the sky. Screams echo through the city. Monsters tear through reality. The world transforms overnight into the GREAT GAME, an apocalyptic battleground where monsters hunt, dungeons materialize, and the System destroys everything humanity once knew. All for the entertainment of the unseen audience.

Maxwell Carter works a maintenance job at a government research facility. The research lab he works at has an accident, more energy coming through the wormhole than anticipated, enough to completely rupture the shields that were supposed to contain it until they finished determining how to convert the energy into electricity. Previously harmless animals are changed to nightmare threats and people are dying, seemingly due to incidents related directly to their interests.

The System is here! Most of the population of the planet were suddenly turned into zombies, while the rest acquired new abilities. Abilities that let them run from the zombies, save themselves, hide, and try to survive. But it only takes one bite that almost always means death. Our hero was standing in line when the apocalypse came. He was lucky at first to be caught in a crowd when the zombies tried to bite him on the leg. Really lucky, because those trials unlocked new abilities for him.

Freddy Stern, a twenty-one-year-old cashier, has lived a plain, albeit harsh life. Having been orphaned—twice—he's spent the last ten years working and staying out of trouble. His only aspiration is to save enough money to become an archhuman. His dream gets the jump on him when he barely survives a near-death encounter and finds himself in possession of 1% Lifesteal, a bizarre talent with numerous contradictions and just as many uses.

The 42nd Merging arrives, mass-transporting every human to a hostile new world with a System. Everyone must choose a Class, and Quest directives compel them to climb the leaderboards for categories like highest level… and most kills of other people. Jordan isn’t anyone special before the Merging, but the new start equalizes the playing field. He must exploit his versatile class to overcome powerful monsters and opportunistic strangers who kill people as a quick path to power.

When the apocalypse strikes the world Kyle Mayhew calls home, he is thrust into a struggle for survival. Alongside his Central Health Autonomous Diagnostic Drone (C.H.A.D.D.), he will have to overcome mutated creatures, ruthless marauders, and his grandfather’s legacy to carve out a new home.

Jack Atlas, self-proclaimed 'World's Best Assassin', had a simple plan: retire in style and marry the girl of his dreams. Then he gets placed in The Tower—a divine deathtrap where gods pit their creations against each other for the ultimate prize: eternal paradise for you and your friends. The catch? If you lose, well, let's just say your chances of finding a decent bar in oblivion are slim.

Dirk was America’s golden boy. Olympic golds, Wheaties box—the works. That was ten years ago. Turns out going to prison is terrible for sponsorships. Now, he’s alone, a felony on his record, and bitter at the world. Enter the Tower of Conflict. Just what a man needs to get out of a rut—the end of the world and a Tower to Climb. Aided by his talking goose animal companion, magical cape, and the Goddess of Fate herself, Dirk is primed to take this Tower by storm.

Born to a Magical Fantasy Princess and a nine-to-five Supervillain in the most superhero riddled city in the world, Perry's never felt...adequate. He's got no talent for magic, and not a scrap of superpowers to his name. When The System boots and unlocks his powers, it forces him to follow in his father's footsteps, but he'd rather take after his mother... Maybe there's a way he can do both...

A visit to London’s Natural History Museum became a horror show as magic flooded Earth. Now, Thomas is entombed there as a Dungeon Core, with only the creatures on display available as minions. All over the globe, patches of land have been replaced by strange alien environments, containing not only monsters from myth and legend, but also humanity’s worst nightmares. Leviathans stir at the bottom of the ocean, dragons have reclaimed the skies, and shadows are once again something to fear.

Hal Mason's still going to find surviving the System Apocalypse challenging. While bringing in his latest fugitive, Hal's payday is interrupted by the translucent blue boxes that herald Earth's introduction to the System - a galaxy spanning wave of structured mystical energy that destroys all electronics and bestows game-like abilities upon mankind. With society breaking down and mutating wildlife rampaging through the city of Pittsburgh, those who remain will sacrifice anything for a chance at earning their next Level.

As humanity is taking its final breath, facing extinction from a myriad of monsters, the last three people on earth are creating a final chance for the hero to go back in time and stop the apocalypse. However, before the hero can enter the chronomancer portal to the past, she and the portal's creator are both killed, leaving only the weak assistant to carry on their dream of saving the world. Will Nick be able to right the wrongs done to him, and prepare the hero for the world to come?

Adam isn't isn't even given the chance to lick his wounds after a deep betrayal before a mysterious force pulls him into into a new, fantastical world. He doesn't mind much. Penniless, luckless, and aimless, Adam wasn't particularly fond of his old world anyway. Maybe this can be the fresh start he needs. First, he'll have to deal with being attacked by shadowy monsters, imprisoned by guardsmen, and pressed into service by the resident nobility. But unlike Earth...he's not entirely powerless.

A Secret Service operative and dedicated survivalist, Special Agent Del Roosevelt had a plan for every world-ending scenario and regularly trained for them all. He was even ready for a date with the hottest woman in his office next Friday. At least he hoped so. But all that training, all those rations, all that prepping? Useless for the apocalypse that actually played out. Del wakes up half-buried in a giant trash pile, missing his thumbs. And, um, covered in red fur. He's stuck in a world of fuzzy monsters, senseless violence, and cult-like crusaders.