Web fiction genres are reader-facing labels that describe how power works in the story more than where the story is set. The core of the modern web fiction canon is progression fantasy (steady, visible growth in strength) and its close cousin LitRPG (progression displayed through explicit game stats), with cultivation, system apocalypse, isekai, GameLit, and dungeon core sitting around them as recognizable variations. Knowing which label your book actually wears matters because on discovery platforms like Royal Road, the genre tag is how the right readers find you.
What counts as a web fiction genre, and why the labels matter
A web fiction genre is best understood as a promise about the shape of the reading experience, and in this corner of fiction that promise is almost always about power: how the protagonist gets stronger, how that strength is measured, and how the world responds to it. This is the first thing that trips up newcomers who arrive from traditional bookstore genres, where the labels tend to describe setting and tone (epic fantasy, cozy mystery, hard science fiction) rather than mechanics. In web fiction, two books can share a medieval setting and a dragon or two and still belong to completely different genres, because one displays the hero's growth as a literal stat sheet and the other never quantifies anything. So when I talk about web fiction genres here, I am mostly talking about the progression-centered cluster that dominates platforms like Royal Road, Scribble Hub, and Webnovel, and I am treating each label as a description of how growth is structured rather than where the story happens to be set.
The reason this matters to a working author, and not just to a taxonomist, is discovery. Running a web fiction platform, I see the same pattern constantly: a book underperforms not because the writing is weak but because it is tagged as the wrong thing, so the readers who would have loved it never see it and the readers who do see it feel the promise was broken. Web fiction is a discovery-driven market, and on the biggest discovery engines the genre tags are the primary filter readers use to decide whether to click. Picking the right label is therefore a craft decision, not a marketing afterthought, and picking the right label starts with actually understanding what each one has come to mean. What follows is the field guide I wish more new authors had before they posted chapter one.
What is LitRPG?
LitRPG is fiction in which the characters live inside explicit game mechanics, and those mechanics appear on the page as levels, stat blocks, skill trees, experience points, and system notifications the reader can actually read. The term itself emerged from the Russian science fiction and fantasy scene in the early 2010s, where "LitRPG" was used as a publishing label before it crossed into English, and it now names one of the most-read genres in all of web fiction. The defining move is legibility: when the protagonist grows stronger, you do not merely infer it from how the fights go, you see the number change. A kobold drops, a notification pings, You have reached Level 12, and a new skill unlocks on the sheet. That transparency is the whole appeal for its readers, who enjoy the same optimization itch that tabletop role-playing and video games scratch, and it is also the genre's characteristic trap, because a system that only ever makes numbers bigger produces the flat, hollow feeling I wrote about in why LitRPG protagonists feel boring.
The anchor works are worth knowing because readers use them as shorthand for what they want. Dungeon Crawler Carl by Matt Dinniman is the current commercial giant of the form, a story that began as a Royal Road serial and moved into traditional publishing in 2024, and it shows how far the genre can stretch tonally, since it is funny and horrifying and genuinely moving in roughly equal measure. Travis Bagwell's Awaken Online is the darker, moral-compromise end of the spectrum, and He Who Fights with Monsters by the author known as Shirtaloon is the sprawling, dialogue-heavy Australian-flavored take that has built one of the largest Patreon followings in the genre. My feeling is that LitRPG is the easiest web fiction genre to start writing and one of the hardest to write well over the long haul, precisely because the system that makes it so readable early on is the thing that flattens it later if you let the stat block do all the work the prose should be doing.
What is progression fantasy, and how is it different from LitRPG?
Progression fantasy is the broader parent category: any story whose central engine is a protagonist becoming measurably and steadily more powerful, whether or not that power is ever expressed as a game statistic. The term was popularized in the English-speaking web fiction community in the late 2010s, with the r/ProgressionFantasy subreddit (founded in 2018) and authors like Andrew Rowe doing much of the work to define it, and it now functions as the umbrella under which LitRPG, cultivation, and several other forms all shelter. The single cleanest way to hold the distinction is this: all LitRPG is progression fantasy, but not all progression fantasy is LitRPG. Will Wight's Cradle, which completed at twelve books in 2023, is the textbook example of progression fantasy with no numbers whatsoever, because Lindon's advance from Foundation to Underlord and beyond is felt entirely through what he can perceive and do rather than through any sheet. Mother of Learning by Domagoj Kurmaic, a time-loop story that many readers consider one of the genre's high points, quantifies almost nothing and is unmistakably progression fantasy.
What unites the category is the promise of a curve. The reader signs up expecting the protagonist to start weak, or at least limited, and to climb, and the craft of the genre lives in making that climb feel earned rather than granted. This is why the weak-to-strong arc is so central to the form, and why getting the early stretch right, when the MC has the least power and the most to prove, does so much to determine whether readers stay, a problem I dug into in writing a satisfying weak-to-strong progression. My advice, then, for anyone trying to decide whether they are writing progression fantasy or specifically LitRPG, is to ask whether the numbers are load-bearing. If you could delete every stat block and the story of the protagonist's growth would still be fully legible, you are writing progression fantasy in the general sense. If the reader needs to see the sheet to feel the growth, you are writing LitRPG in particular.
What is cultivation (xianxia and wuxia) fiction?
Cultivation fiction is the genre descended from Chinese xianxia and wuxia storytelling, in which characters ascend through a ladder of named power realms by refining their bodies, their souls, and the spiritual energy (qi, mana, aura, by whatever name) that flows through the world. Xianxia leans mythic and immortal, full of sects and heavenly tribulations and cultivators who live for centuries; wuxia is its more grounded martial-arts cousin. English-speaking readers largely met the genre through translation, and the pivotal moment was the founding of Wuxiaworld in 2014, which brought serialized Chinese web novels like Coiling Dragon to a Western audience and proved there was enormous demand for the form. Western authors then adapted the structure for their own readers, and Cradle is once again the reference point, since Will Wight took the realm-based cultivation ladder and built a tightly plotted twelve-book series around it.
The feature that distinguishes cultivation from a simple leveling system is that a real breakthrough is supposed to change the person, not just the power level, and it is supposed to cost them something they do not get back. In Renegade Immortal and I Shall Seal the Heavens, two of the genre-defining xianxia web novels, every ascension is paid for in karma, relationships, or pieces of the self, and by the end the protagonist is almost unrecognizable from who they were in book one. That difference between transformation and mere inflation is the whole ballgame, and it is subtle enough that a great many stories wear the robes of cultivation while functionally just leveling up, which is exactly the failure I unpacked at length in cultivation versus leveling up. If you want to write cultivation and have it feel like cultivation, the realms need to reorganize how your character sees and moves through the world, not merely how big a number they can throw.
What is a system apocalypse?
A system apocalypse is a web fiction subgenre in which a game-like system abruptly descends on the ordinary modern world, overwriting reality with levels, classes, skills, and monsters more or less overnight. The pleasure is specifically the collision: the reader gets to watch a recognizable present-day setting, offices and highways and grocery stores, suddenly run on RPG rules, and to enjoy the resourceful improvisation of people who woke up as accountants and went to bed as level-one adventurers. It is one of the most reliably engaging openings in all of web fiction, because the inciting incident is enormous and immediate and requires no slow worldbuilding ramp. Dungeon Crawler Carl is the most famous example, dropping its cast into a lethal game show that has annexed the Earth, and Tao Wong's The System Apocalypse is the long-running series that helped codify the label. D. J. Molles and a wave of Royal Road authors have kept the subgenre densely populated ever since.
The craft challenge of the system apocalypse is that its greatest strength is front-loaded. The apocalypse itself is thrilling, but once the world has finished ending, the author has to sustain interest across hundreds of chapters on the strength of progression and character rather than the shock of the premise, and this is where many system apocalypse serials sag. My feeling is that the best entries in the subgenre treat the apocalypse as a first act rather than a permanent mode, giving the surviving world enough new structure (factions, safe zones, a changed geography) that the story has somewhere to go once the novelty of the collapse wears off. If you are drawn to write one, the question worth answering early is what your world looks like in chapter two hundred, because the opening will take care of itself and the middle will not.
What is isekai, and how does portal fantasy relate to it?
Isekai is the genre, originally Japanese, in which a protagonist from one world (usually a contemporary, mundane one) is transported, reincarnated, or summoned into another, typically a fantasy or game-like world where they start a new life. The word simply means "other world," and the form is a mainstay of Japanese web fiction, where many of the best-known examples began as web novels before print adaptation, with Mushoku Tensei, Re:Zero, and That Time I Got Reincarnated as a Slime among the works that carried it to a global audience. Isekai overlaps heavily with progression fantasy and LitRPG in the Western web fiction scene, because the transported protagonist so often lands in a world that runs on visible game mechanics, which lets an author combine the wish-fulfillment of a fresh start with the legibility of a stat sheet.
Portal fantasy is the older, broader Western tradition that isekai belongs to, and keeping the two words straight is useful. Portal fantasy is any story where characters cross from one world into another through some threshold, and it stretches back through The Lion, the Witch and the Wardrobe in 1950 and Alice's Adventures in Wonderland long before that. Isekai is best thought of as a specific modern branch of portal fantasy, one that tends to feature reincarnation or permanent relocation rather than a round trip, and one that carries a set of genre conventions (the summoned hero, the status window, the second-chance premise) that classic portal fantasy does not. For a web fiction author, the practical note is that tagging a story "isekai" promises those specific conventions to a reader, whereas "portal fantasy" promises only the crossing, so the label you choose should match the beats you actually deliver.
What are GameLit, dungeon core, and kingdom-building fiction?
GameLit, dungeon core, and kingdom-building are three of the recognizable satellite genres orbiting the progression-fantasy core, and each names a distinct structural promise. GameLit is the widest of them: it covers any fiction set in or shaped by a game world, whether or not the mechanics are shown as explicit numbers, which makes LitRPG a subset of GameLit rather than a synonym for it. A story where characters are trapped in a virtual reality game but never see a stat block is GameLit but not LitRPG, and keeping that hierarchy straight helps you tag accurately. Dungeon core is the charming subgenre where the protagonist is the dungeon itself, a sentient core that grows its lair, breeds monsters, and defends against invading adventurers, with Dakota Krout's The Divine Dungeon among the works that popularized it. It inverts the usual adventurer's-eye view and turns base-building into the emotional engine of the story.
Kingdom-building fiction, sometimes called nation-building, centers on a protagonist who develops not just personal power but a settlement, domain, or realm, and its pleasures are those of systems and logistics as much as combat. The Chinese web novel Release That Witch is a widely cited example, following a transported prince who industrializes a medieval kingdom, and the form draws readers who love watching a small holding grow into something formidable through accumulated good decisions. What these three share is that they shift the progression curve off the individual and onto a structure (a game, a dungeon, a nation), and I think that is exactly why they reward heavy worldbuilding: the thing that is leveling up is a whole system, and the reader wants to feel it cohere. This is the territory where a story's backend, the map of its factions and resources and history, does the most work, and it is the reason I built the world builder into IlorisNovel the way I did, so that an author tracking a growing kingdom across two hundred chapters is not doing it in a scatter of loose notes.
How to figure out which genre you are actually writing
The honest way to place your own book is to ignore the setting and interrogate the engine. Ask what is progressing (a person, a dungeon, a nation), ask how that progress is shown to the reader (felt in the prose, or displayed as numbers), and ask what the reader is being promised they will get to watch grow. The answers will usually land you on one primary label with a secondary or two, and that is the normal and healthy state of things, because most of the strongest web serials sit at an intersection: a cultivation LitRPG, a system-apocalypse kingdom-builder, a portal-fantasy progression story. The point of learning the genres is not to trap your book inside one word, it is to tag it truthfully so the discovery algorithms send you the readers who came looking for exactly the promise you are keeping. A story tagged as three things it genuinely is will find its people; a story tagged as one thing it merely resembles will frustrate everyone who clicks.
My honest advice, having watched a lot of first chapters land well or badly, is to write the book you actually want to write and then work out its genre afterward, rather than trying to hit a genre's checklist on the way in. The checklist approach produces the flat, obligatory stories that make readers feel they have read this exact serial before, whereas a book written from genuine enthusiasm and then tagged accurately tends to feel like itself. If you want to feel out how a chapter reads under one of these labels before committing a word to a platform, you can open the editor and draft one with no account and see whether the voice you fall into matches the genre you think you are writing. The genre is a promise to a reader, and the fastest way to learn what promise your writing actually makes is to write a scene and read it back honestly.
Common questions about web fiction genres
What is the difference between LitRPG and progression fantasy?
Progression fantasy is the broad category for any story built around a protagonist growing measurably stronger over time, whether the strength is magic, martial skill, or cultivation. LitRPG is the subset of progression fantasy where that growth is shown through explicit game mechanics: levels, stat sheets, skill notifications, and experience points visible on the page. Every LitRPG is progression fantasy, but plenty of progression fantasy, Will Wight's Cradle for instance, has no numbers at all.
What is cultivation fiction?
Cultivation fiction is a genre rooted in Chinese xianxia and wuxia traditions, where characters advance through ranked realms of power by refining their bodies, souls, and spiritual energy, usually at a real cost. It reached English-speaking readers largely through translation sites like Wuxiaworld, founded in 2014, and through Western authors such as Will Wight, whose Cradle series adapts the cultivation structure for a Western audience. The defining feature is that each breakthrough changes what the character is, not just how hard they hit.
What is a system apocalypse story?
A system apocalypse is a web fiction subgenre where a game-like system suddenly descends on the real modern world, assigning levels, skills, and monsters to ordinary people overnight. The pleasure of the genre is watching a recognizable present-day setting collide with RPG rules. Matt Dinniman's Dungeon Crawler Carl, which began on Royal Road and moved to traditional publishing in 2024, and Tao Wong's The System Apocalypse are the standard reference points for the form.
Do I have to pick just one genre for my web serial?
No, and most successful web serials sit at the intersection of two or three of these labels at once. A story can be a cultivation LitRPG with system-apocalypse framing, and readers will happily follow it as long as the tags on the discovery platform set the right expectation. The practical reason to know the genres is not to box yourself in but to tag accurately, because on platforms like Royal Road the genre tag is the main way the readers who want your kind of book actually find it.
Which web fiction genre is the most popular right now?
As of this writing, progression fantasy and LitRPG are the dominant genres in English-language web fiction by both readership and author activity, with cultivation close behind and heavily overlapping. The largest communities on Royal Road, the biggest discovery platform in the space, cluster around these tags, and the highest-earning independent serials of the last few years, from Dungeon Crawler Carl to He Who Fights with Monsters, all live inside this cluster. Romance and slice-of-life web fiction are large in their own right but sit in a somewhat separate ecosystem.
by Jacob Tam · July 4, 2026
I run IlorisNovel, a platform for writers of web fiction. If you want to see what writing here feels like, you can try the editor with no account.