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.

Anthony has been reborn! Placed into the remarkable game-like world of Pangera. But something seems a little off... What's with these skills? Bite? Dig? Wait.... He's been reborn as a WHAT?! Follow Anthony as he attempts to adjust to his new life as an ant in his new Dungeon home. He'll have to learn how to survive, level-up, and grow both himself and his bite-sized colony into a force to be reckoned with.

Due to unusual circumstances, Randidly starts in an isolated dungeon far beyond his level, forced to rely on the mysterious Traveler Shal in order to learn and survive with the dangerous new status quo for his world. But survive he does, only to leave the dungeon and discover that while he experienced several hellish months in the dungeon, only half a day passed on Earth. Randidly's capabilities are now more than enough to help build a small enclave of survivors, but that doesn't mean balancing his sense of responsibility against the plots of an unfriendly town will be easy.

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.