This 3-in-1 audiobook box set includes books one through three of the Integrated Universe series, a fantasy LitRPG adventure set in a post-apocalyptic Earth with plenty of monster and dungeon diving. This collection includes King Maker, King of the Mountain, and King of the Continent.

It was a day like any other when suddenly the world changed. The universe reached a threshold humanity didn’t even know existed, and it was time to finally be integrated into the vast multiverse. A place where power is the only thing anyone can truly rely on.

Me? I was an innocent bystander in a shootout between mobsters and spawned monsters. Thankfully, the System granted me the power to bring forth monsters from the void. With this ability to command magical beasts, I might just live out the apocalypse. Together with a ragtag group of survivors, we're wading through the mayhem while searching for somewhere safe. Somewhere that monsters aren't desperately trying to kill us, where the opportunistic among humanity aren't looking for easy XP.

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.

The entire population of the world that you were born into suddenly transported to another planet, along with the rest of the intelligent inhabitants of the Milky Way Galaxy. A strange System talking to you about abilities and levels without a care for your opinions. Thousands of monster spawning dungeons placed around the new world without a care for the new inhabitants. And if those weren't bad enough, a forced invitation for one thousand random individuals to compete in a livestreamed competition within a dungeon with the rank of Administrator as the prize.

Thrust into a new world filled with monsters and magic, Will's life has become a war for survival. He has nothing more than a class called “soldier” and a strange leveling System he’s never seen before. When he stumbles across a dying stranger, a mysterious questline activates. Now Will must head to the front lines where humanity wages war against a ruthless Goblin Horde. There he will join the standing Kadian Army and forge his name from the fires of legend.

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?

Benny White had been having a rough couple of years, and the approaching apocalypse wasn’t exactly helping. Pulled from the point of death and thrust into a horde-mode-style survival game, Benny’s odds weren’t looking too great. To make matters worse, an eldritch god… entity… thing named ‘Dave’ tasked him with destroying the very System that now controls his fate. But hey, it's not all bad news. Benny’s experience as a lab tech grants him a rare Splicer Class that lets him repurpose the genetic material of slain enemies into augments for himself.

Lucas was shocked when he awoke to find the world had ended. An alien AI called the System had taken over Earth and transformed his apartment building into a 100-floor dungeon tower of traps, monsters, and loot. Trapped at the top, Lucas and the other residents have just one year to reach the ground floor and escape before the tower self-destructs. That’s his first problem. The second is he slept through the System’s welcome orientation, so a Class was picked for him. Lucas is now a Blood Reaver. A brutal Class based on speed, ferocity, and striking from the shadows.

In an instant, life as it was known is gone, replaced by a System called The Connection. It doesn't come quietly as earthquakes rock the planet, the chosen survivors falling unconscious as the Connection takes their bodies and Adapts them. Lochlan Brady and his family were on their way home from a camping weekend when the Connection appears. He awakens with a new Adapted body, finding his wife missing. Now Loch must survive and thrive in this new world with his two teenage daughters, Harper and Piper. All Loch wants to do is protect his daughters and find his wife.

Orodan was an orphaned street rat who clawed his way to the county militia with hard work. When calamitous events unfold and draw him into events bigger than himself, Orodan's battle-loving disposition leads to a warrior's death. Then he wakes up again at the start of the Cataclysm. Then again. And again. In a world of skills, titles, and blessings, a smart time-looper would perhaps scheme, plan, amass equipment, and allies. But not Orodan. If there's one thing he's good at, it's stubbornly trying the same thing over and over again via brute force till it's done.

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.

One week. If you survive, you choose a Cosmic Power ... If you survive. Jace isn’t one to give up. Not when his sister dies. Not when he loses his legs. And definitely not when The Cosmic System takes over Earth. With nothing more than his street smarts, the clothes on his back, and a river otter companion, he must survive a planet full of vicious predators that see him as an easy meal. If he can survive? He gets to choose a Cosmic Power and a Class. A path to ascension. A way to bring his sister back.

Five years in the prime of his life, wasted. And now finally, after so long, he was returning to society, ready to resume his life. And this time he wouldn't make the same mistakes. This time, he would do it right. Yet just as he was about to gain his freedom...everything changed. He found himself in a new world without explanation, a world of magic and possibilities beyond his wildest dreams. Orc, elf, ogre…hundreds of possible races. Blacksmith, fighter, rogue…thousands of possible classes. And each of them with tens of thousands of possible skills.

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.