A man. His ex-girlfriend's cat. A sadistic game show unlike anything in the universe: a dungeon crawl where survival depends on killing your prey in the most entertaining way possible. In a flash, every human-erected construction on Earth - from Buckingham Palace to the tiniest of sheds - collapses in a heap, sinking into the ground. The buildings and all the people inside have all been atomized and transformed into the dungeon: an 18-level labyrinth filled with traps, monsters, and loot.

It’s not easy making the career jump from office-supplies-store middle manager to heroic interdimensional adventurer. At least, Jason tries to be heroic, but it's hard to be good when all your powers are evil. He’ll face off against cannibals, cultists, wizards, monsters...and that’s just on the first day. He’s going to need courage, he’s going to need wit, and he’s going to need some magic powers of his own. But first, he’s going to need pants.

Before meeting his pathetic and all-too-predictable demise in the middle of a pie-eating contest, Zack was living the high life: schlubbing around his parents' basement, subsisting on pizza, video games, computer screens, and web novels. He had it all . . . while still being a big, fat nothing. But when he's forced to ditch his pudgy mortal corpse, Zack finds himself taking the place of a recently-killed demonic sect elder known as Slifer, who—even as an elderly man—is one serious badass.

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.

Five years ago Corin Cadence's brother entered the Serpent Spire - a colossal tower with ever-shifting rooms, traps, and monsters. Those who survive the spire's trials return home with an attunement: a mark granting the bearer magical powers. According to legend, those few who reach the top of the tower will be granted a boon by the spire's goddess. He never returned. Now it's Corin's turn. He's headed to the top floor, on a mission to meet the goddess.