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.

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.

Victor can’t wait to get the hell out of high school, go to the local community college on a sports scholarship, and start his own life. But that’s all put on hold when he enters his abuela’s house and somehow ends up stepping into a world unlike anything he’s ever known, filled with fantastical meta-humans; walking, talking devils; and other creatures one usually needs some serious pharmaceuticals to see. Fanwath is no dream, though. In fact, it’s a nightmare.

In the year 2107, the world has both made astounding leaps forward and reduced humanity to its most basic existence. While the megacorps and those who rule them enjoy lives of extraordinary comfort and ease, most people barely scrape by, doing whatever they can to keep going. Juliet Bianchi is one of the latter. She works cutting metal in a scrapyard and doesn't have much to show for it except for a small group of equally bereft, fiercely loyal friends. Still, she maintains a bright disposition, possessing more hope and optimism than anyone would expect her to—and she's going to need it.

Sean de Courcy is a gamer with a maxed out warrior build on a popular MMORPG. When the desperate rulers of a declining kingdom need a warrior to help lead them to triumph over their enemies, their summoning spell picks Sean. Their world obeys the rules of an RPG, so although Sean has no real world fighting experience, he is exactly the person they need to manage the kingdom, increase the levels of the PCs, and lead their armies to victory.

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.

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.

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.

Gabe Skelter has a temper, which he likes to imagine has the effect of causing people to fear and respect him. On the contrary, his pudgy, underdeveloped body and negative personality make him more your standard outcast teenager. Worse still, he kinda knows what a jerkweed he actually is. Then, in the middle of a class trip, Gabe finds himself spirited away to Regaia: a world of magic, mayhem, and nerd-tastic adventure. Naturally, he’s completely ill-prepared. But in this realm, he’s a monstrous, muscular man of action.

The vast comet should have destroyed us... When it slowed, then landed, everything we thought we knew about the universe changed. And for Mark, things just got far stranger, and much more dangerous. They came from another dimension, condemning our selfish, greedy ways, but sensing in us a potential to change. So when they chose Mark as a volunteer in their deadly trials to save the human race, how could he say no? Join him on his quest for loot, levels, and powerful abilities.

After his parents died, Alex Roth had one desire: become a wizard. Through hard work, he was accepted into the University of Generasi, the world’s greatest academy of wizardry.... Fate, however, had another plan. On his 18th birthday, he is Marked by prophecy as one of his kingdom’s five Heroes, chosen to fight the Ravener, his land’s great enemy. But his brand is "The Fool". Worst of the marks.

Glenn Redwood has longed to become an Adventurer since he was a young boy, and has focused every waking moment since he turned 14 on leveling and growing stronger. Answering the challenge of the Gods of Luxtera, he has fought Monsters to prove himself again and again. He has earned the right to travel the world and protect its people... but the Gods have other plans. After they choose Glenn to become a Town Guard, he is charged with protecting his small town and everyone within.

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.

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.

Michael finds himself in the realm of the Forever Kingdom, with no memory of how he got there and who he is. Even so, he must participate in the Grand Game and forge a new destiny for himself. Dropped into a dungeon of monsters and strange magics, would you survive in a game where to lose means death? Alone, and with little more than his wits to aid him, Michael must advance as a player, slay his foes, and gain experience. All while navigating the intrigues around him and discovering his purpose.