The Book of Plagues
DiaMMax Games · 2026 · Medical Sim, Outbreak Sim, Bullet Hell, Idler, Visual Novel
PC
Positive94% · 17
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About The Book of Plagues
The plague has descended upon the city of Ludwig. You are the plague doctor - the last barrier between order and chaos. Walk the grim streets of a dying city and master the art of medicine in an age of pestilence. Diagnose, treat, and make brutal decisions. Enforce quarantines, burn infected homes, fight panic and whispers. Every action has a price - and not everyone will survive it…The plague spares neither rank nor wealth. Ludwig is buried under the weight of death, panic, and despair. But your fight is not only against the sickness itself. You battle its legacy: the lies crawling through the streets, the fear poisoning every soul, the madness gripping every mind, and the heaps of bodies with no one left to bury them.The City Magistrate, the Merchant's Guild, the poorfolk, the Inquisition, and the Church - all pulling the city’s shroud toward themselves in its final agony. Whose side will you choose?To be a doctor in Ludwig means trading in hope. Dangerous, but profitable: everyone - from beggars to counts - is willing to give their last coin for another breath of life.Buy rare recipes, mix concoctions, craft potent elixirs - and remember: the stronger the remedy, the higher the price of a mistake. Your goal isn’t simply to become the best physician. Your goal is to save those who can still be saved.The game unfolds week by week, each one a struggle on death’s threshold. Diagnose ailments, battle diseases through tense mini-games, and perform miracles over a smoking distiller.Your only companion is Bane the raven. He mocks, jeers, advises… and only you can hear him. Is he the voice of reason - or your creeping madness?The Book of Plagues is a dark and deeply atmospheric game that blends moral dilemmas, black humor, and the madness of the medieval world. Inspired by the chronicles of the Black Death and classic literature, it throws you into the heart of an epidemic where every choice has consequences.Will you become the city’s savior - or its final sentence? Add to your wishlist and don’t miss the coming of the Plague.
What Steam players say
Recent verbatim reviews from Steam — separate from playze.io community reviews below.
✦ AI summary
Players praise the game's witty dialogue and humorous satirical take on medieval plague doctor life, along with its engaging Undertale-style minigame mechanics for curing patients and smooth Steam Deck performance. However, the primary concern is the use of AI-generated art that has been edited by an artist, which leaves players uncertain about what content is original and creates discomfort about supporting AI-heavy development; additionally, some find the writing uneven, occasionally cringey, and the overall RNG-driven narrative structure somewhat simplistic despite its charm.
This game is a satirical joke of the era of medieval Europe and the black plague. It plays very much like King of the Castle where you basically go through each week with an "Edict" that controls how the story progresses followed by your "Patients". The story can change whether or not you choose to cure someone and cures follow a minigame progression similar to undertale. Medicine is available for use between each rounds and can be crafted and do different things such as healing, invulnerability, or curing parts of the plague. However the best part of the game has been the dialogue. The dialogue alone is hilarious. This game does state that generated AI art was used and expounded upon by an artist which is not great because that means theres no way to know what was original art and what is an amalgamation of stolen art and honestly the developer should clarify this. My own stance on AI is this is not okay however excluding that I did receive this for free however I do not know if I would buy this at the full price of 10$. I will need more playtime to see if it truly justifies that price but 10$ is not a bad entry price depending on if you can get a 5+ hours of playtime out …17 found this helpful
[quote][url=https://en.wikipedia.org/wiki/AI_slop][b]Warning: AI Slop[/b][/url] This game is partially or completely made with talentless, soulless AI generated content.[/quote] This is a somewhat genuine attempt to make a game with AI Slop. The game itself is portrayed as a "plague doctor" simulator, but really it plays like one of those RNG-run kingdom simulators/Oregon Trail... you're presented with random events and prompted with a multiple choice answer about what you'll do about it as a plague doctor in charge of deciding what people do when there's a plague. The writing is tongue in cheek and somewhat satirical, but like all VN heavy amateur games on Steam Direct, fairly bad and a little cringey. So basically you make RNG choices and see what the outcomes are and click through various "seasons" until the end. And just like Oregon Trail, this can result in everyone dying of a horrible, mistreated disease. From a technical perspective, the game doesn't meet basic minimum requirements that most PC gamers expect as standard. While there are options to change the resolution for the game, all this does is scale up the simplistic 2D art assets used to make the game, which …10 found this helpful
Give me one sec to do this undertale mini game while I cure you bubonic plague. That really is the essence of the gameplay. You get patients that need to be cured of their ailments and you must complete various versions of the undertale battle game to cure them. It's pretty simple but fairly fun. I recommend this game if you want to prevent the black plague from happening again.3 found this helpful
I was so excited to see this game is out now! Played the demo and fell in love with the gameplay, story, art style, and plenty of puzzles to cure your patients and keep you on your toes. Plus, this game runs beautifully on the steam deck with full controller support. Definitely will be dumping more hours into this plague-tastic maserpiece!3 found this helpful
GREAT GAME!
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