Dungeon Crawler Carl has become one of the biggest success stories in independent fiction, a gonzo LitRPG series about a laid-off Coast Guard veteran and his ex-girlfriend’s talking show cat forced to survive an alien reality-TV dungeon crawl built from the wreckage of Earth. Eight books deep, backed by Penguin Random House, adapted into an award-winning audiobook and a webcomic, with a TV deal in development, it’s exactly the kind of runaway hit that looks inevitable in hindsight. It wasn’t. Author Matt Dinniman spent two decades bouncing between odd jobs and small-press novels before a pandemic-era pivot turned a hobby project into a publishing phenomenon, and the path there runs through an unlikely detour into art.
A Writer Who Backed Into Being an Artist
Dinniman grew up a self-described military brat, moving frequently as his father served in the Army and reading constantly to cope with the instability. He wrote his first novel as a high schooler in Tucson, the book that eventually became The Shivered Sky trilogy, and after college took a job at a newspaper in Yakima, Washington, writing obituaries. To make himself more useful at the paper, he told his editors he knew Adobe Photoshop. He didn’t, not really, but the lie forced him to actually learn it, and in doing so he discovered a genuine artistic streak he hadn’t known he had.
That accidental skill turned into an actual career. Dinniman began traveling the pet show circuit, drawing custom portraits of people’s animals, particularly show cats, and built it into a six-figure business that supported him for years while he wrote fiction on the side. It’s a strange origin point for a science-fiction empire, but it turned out to be the exact seed the series needed: one of the show cats he encountered on that circuit, a tortoiseshell Persian, became the direct inspiration for Princess Donut, the vain, opinionated, thoroughly memorable feline co-lead of Dungeon Crawler Carl. Dinniman has said he wanted the book to feature not just any cat, but specifically a show cat, because he already understood that competitive, eccentric world firsthand from years of drawing inside it.
The Book Nobody Was Supposed to See
Dinniman started writing Dungeon Crawler Carl in December 2019 with, by his own account, no real expectations. He’s described the concept, a reality-show death game staged in the ruins of a destroyed Earth, as an idea he’d been carrying around for years, something he finally let himself write purely for fun rather than for a market. He posted early chapters for free on Royal Road, a web fiction platform popular with LitRPG and progression-fantasy readers, and used reader polling to shape parts of the story as he went, a habit that later evolved into fans voting on in-story loot and settings through his Patreon.
Then COVID hit, and it took out both of Dinniman’s income streams at once. The pet show circuit shut down along with in-person events generally, and he’d been set up for a table at Emerald City Comic Con when that, too, got cancelled. With his art business gone, Dinniman leaned fully into the free-to-read serial he’d started almost as a lark, launched a Patreon for early chapter access, and began writing full time. He self-published the first book in October 2020. An audiobook followed in 2021, narrated by Jeff Hays, whose full-cast performance became inseparable from the series’ identity for a huge share of its audience. Word of mouth did the rest, slowly at first and then not slowly at all, until Penguin Random House picked up print rights through its Ace Books imprint, with Dinniman keeping the e-book and audio rights he’d built the fanbase on in the first place.
Why the Origin Matters
The show-cat-art-to-space-horror pipeline isn’t just a fun trivia footnote. It explains a lot about why Dungeon Crawler Carl reads the way it does. Dinniman built the series’ tonal signature, ultraviolent horror-fantasy stakes sitting right next to broad, character-driven comedy, out of genuine firsthand knowledge of two very different worlds: the gamer and genre-fiction instincts he’d been developing since childhood, and the specific, slightly absurd subculture of competitive pet shows he’d spent years actually living inside. Princess Donut works as a character because Dinniman wasn’t guessing at what a pampered, prize-winning show cat would act like. He’d been drawing them for a living.
It’s also a reminder of how much of the series’ current scale, the multi-book deal, the full-cast audiobook, the webcomic and tabletop adaptations now in development, came out of a moment when Dinniman had nothing left to lose. The pandemic didn’t create Dungeon Crawler Carl. It just removed every other option he had, and he wrote his way out.
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