In just seven days, the world will crumble. The System's Descent will usher in a new era of chaos: wild animals mutating, monstrous creatures emerging, and the cessation of modern technology. Humanity will be left defenseless. Drew Wright knows none of this. At least not until he is rudely ripped from his bed and thrust into a white room to undergo a taser-happy ‘Tutorial’. Turns out, he is one of a thousand randomly selected people to be forewarned of the approaching apocalypse. Now, he faces the delightful task of convincing his wife and mother of the devastation hurtling towards them.

Trevor Anderson is just another normal, overworked retail worker. All he wants is his promised promotion, a chance to use some of his vacation days without feeling guilty about it, and time for his hobbies. While waiting patiently for his life to improve, a workplace accident changes everything for Trevor, including the world he resides in. After he bungles his way through a summoner’s questionnaire and gains the Power of an extradimensional inventory, he lands in the peaceful town of Tosa.

Surviving the first days of the apocalypse, William is a wreck and hiding in an attic. The daily acid storms, floating elementals, and bizarre mutated animals are the least of his problems. The reality-warping apocalypse has rules and a system much like those in video games. To survive, he must learn how the new uncooperative system works, choose a class without any real knowledge of what it does and create a place safe from the spawning horrors.

Nathan's life was defined by labs and lectures until an Archmage yanked him into Davrar and made him a tantalizing offer: master magic in exchange for Earth's scientific secrets. Yet, Nathan can't shake off the feeling that darker truths lurk beneath such promises. The world of Davrar is a dangerous place teeming with dungeons and monsters–ruled by levels, Talents, and a near-infinite progression of power. Nathan will need to rely on himself to survive, forging alliances and taking every advantage he can get against those that seek to control him.

Eli "Nacho" Naches is a fearsome assassin who has lost everything in a post-apocalyptic world full of monstrous creatures. He knows where he fits in this horror show, and he’s only been hanging around to see what’s going to be thrown at him next. When he’s finally put in chains and sent to the chopping block, he goes readily...only to be unexpectedly sent back in time to his younger body with his memories intact and the chance to make a difference.

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.

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.

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.

For Daniel, a zombie apocalypse couldn’t have happened at a worse time. If he’d been back at the farm, he might have stood a better chance than most. Instead, Daniel woke up in a distant hotel room armed with nothing but a hangover.

When Alice Verianna went to sleep, she was just another teen from the Denver suburbs. She definitely didn't expect to be transported to a magical alternate dimension, inhabited by monsters and presided over by a mysterious System. Here, people resemble RPG characters and everyone has access to their own status screens. Grappling with the mechanics of the elusive System isn't the only challenge Alice faces. It seems an underground organization known as the Society of Starry Eyes has taken a particular interest in other dimensions.