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.

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.

Reidon Ward will become a god. He doesn't know it yet, of course. Reidon was born weak, sickly, and small. Afflicted with a painful disease and abandoned by his parents because of it, he has had to fight tooth and nail for every minor advantage life has allowed him. However, his perseverance has not gone unnoticed, and when the most powerful artificial intelligence in human history takes an interest in him, things began to change quickly.

On a day like any other, an alien descends to Earth, unleashing untold death and destruction. Alistair watches the live news footage of the carnage, his eyes glued to the image of impossible power made manifest. The alien’s arrival kicks events into motion that no one could have predicted. Earth is prematurely initiated into a universe-spanning empire of cut-throat cultivators, beasts, and entities of ungodly power—all guided by a mysterious AI System. The System’s first quest? Kill someone.

Jack Rust was a disillusioned biologist with a PhD—almost. When an extraterrestrial AI calling itself the System invaded Earth and thrusts it into a world of aliens and violence, the least Jack hoped for was gaining access to magic.

Rob didn't think of himself as anyone special, but when a pitch-black portal tried to wrap his best friend in chains, he stepped up without thinking and found himself ensnared instead. His moment of heroism results in being torn away from everyone he knew and loved, kidnapped by an unknown force that leaves him with a note in his pocket stating: "Good luck." After being thrown into the wilderness of Elatra, a hostile fantasy world ruled by levels, stats, progression, and bizarre video game logic, he finds himself entirely out of his depth.

After losing the only person he ever cared about, Alexander, a rogue artificial intelligence, opens a portal to an alternate dimension to escape his grief. Scanning trillions of different dimensions, Alexander finally finds a world that is reminiscent of the only time he was ever happy, back when he could play virtual reality games with his only friend. Only this new world isn't full of idyllic adventures and fantasy roleplaying. Instead, Alexander finds himself trapped in the middle of a city where monsters have ravaged the world and the only people alive struggle to survive.

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.

In pursuit of his abusive father’s approval, Zeke Blackwood pushed himself to the very pinnacle of his chosen obsession. Since childhood, all he’d ever wanted to do was play baseball, and through hard work, discipline, and no small degree of talent, his goal of reaching the major leagues was finally in sight. But then a horrific car accident ruined his arm, eliminating any hope of a professional baseball career. Consumed by depression, Zeke gave up on his future, preferring to wallow in self-pity. That is, until an opportunity came along for him to prove his worth.

Zane was driving home from work when the world changed. Thousands of dungeons spawned at once, taking up every inch of Earth—including the road he’s driving on. He wakes up to a totaled car and a broken leg, facing down a goblin trying to spear him through the guts. And that's just the start of it. But to Zane’s surprise, he finds himself enjoying this brutal new world. While others cower and hide, he goes on the hunt. He unlocks a unique Berserker skill—the more damage he takes, the stronger he gets.

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.

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.

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.

Scorio will rise from the ashes to conquer the 10 layers of hell. Reborn without memories, Scorio learns that he is a Great Soul, a legendary defender of the ancient city of Bastion. That within the hallowed halls of the Academy and under the stern eyes of the underworld’s greatest instructors he will enjoy enormous privilege, rediscover unique and wondrous powers, and one day return to the millennium-old battle against their infernal foes. Until he is betrayed.

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.