Cult of the Yellow King layers cosmic horror atmosphere onto an incremental game built around prestige mechanics and cult-building progression. Each run pursues different objectives while spreading the Yellow King's influence through a blend of clicking and automation, supported by genuinely unsettling Lovecraftian writing and oppressive sound design. Best suited for players drawn to weird fiction and idle games willing to prioritize tone over traditional incremental depth.
About this game
A cosmic horror idle game where you build the Yellow King’s cult, spread his living mold, and click yourself hollow. Memory by memory. Scream by silent scream, as the sky blooms with eyes watching your beautiful undoing.
Players, last 30 days
Peak 11 · Low 0
Daily peak concurrent players, sampled once a night from Steam.
What players are saying
▼ Not recommended4 hrs
An incremental game that doesn't really do incrementing, a clicker that doesn't really do clicking, and a strategy game that doesn't have any strategy to it, a casual game that's inaccessible. This game doesn't really know what it is.
Basically this game has prestige loops with different objectives each time, kind of like challenge modes in most other idle/incremental games but baked into the core prestige mechanic. The first 5% of your time in each prestige will be buying the exact same upgrades as last time to boost your economy as far as you can before increasing costs make it unviable to increase that way. Then you have the upgrades that just gate content, so you grab those. Now you have three currencies increasing. The first currency can technically increase itself and the third currency, but the self-boost increases in cost so rapidly it's only to get you bootstrapped. The second currency has a small handful of upgrades bought with the first currency that give it a flat X/second income that cannot be increased. That second currency gates the upgrades that give you generators for the first currency, of which there's three and cannot be increased.
This means that both the first and second currencies have a cap of how fast you can increase them per second, that you reach within twenty minutes of a run. After that the second currency is useless and there is nothing to spend it on. The first currency can still be spent on increasing production of the third currency, indefinitely at increasing cost, however there's only a limited number of upgrades you can buy with the third currency, so there's no point in increasing its income.
This basically means that you effectively run out of things to do within twenty minutes of a run and then just sit there waiting for the objectives to finally grind out, while you're fully capped on production and have nothing to do.
There's basically one optimal path to get the unlocks, or who even cares if it's optimal or not, you're barely optimising 2-3 minutes of how long it takes you to reach the exact same cap either way you do it.
Many of the upgrades are nonsensical and worthless. A 30% cost reduction in cultists is meaningless when the the cost of cultists goes up by 30% each time, that just means you can afford ONE extra cultist. Given you will only be able to afford 20 or so, and be getting the other 100+ from the "1 free cultist every 15 seconds" upgrade, being able to afford 21 cultists of the ones you bought is completely irrelevant. It saves you 15 seconds of time for a new one to automatically generate... is that REALLY worth a limited prestige point? Actually it kind of is, because most of the other prestige upgrades are even less useful: Do you really need 15% extra production of a currency when you have nothing to buy with it?
I wanted to like this game, the lore seems kinda fun, if sparse and vague in a way that makes you feel there's nothing behind it, rather than vague in the way that makes you feel there's mysteries to discover.
I wanted to, but I don't. There's no actual game here to like, just a series of barely obsfucated time gates with almost no player agency.
It is the most EVIL implementation of idle/clicker theory and strategy.
The people who came before, know nothing of what they speak. Particularly the negative reviewers.
The game was beyond their puny mortal minds. They had not the VISION to understand the subtleties of play, nor the imagination to tear away the veil of sanity that protected their infantile intellects!
Children require 'tutorials'. TRUE BELIEVERS, grasp the mechanics quickly - and enjoy the narrative, atmosphere and cosmic horrors that spill forth from their shiny reality windows!
TIME IS INDEED A FLAT CIRCLE!
And the experience illustrates it to you as you 'grind'- but, you're only 'grinding' if you haven't truly grasped the cosmic knowledge that is constantly fed into your brain tubes and eye holes!
Feast upon the SPORES, revel in the maddening COSMIC KNOWLEDGE, and sip the wine of INSIGHTs that constantly flow over and through you as you play this! BUT MOST IMPORTANTLY- PRAY! Learn how to pray, prostrated before the mighty King! More fervently than any Onanistic ritual you may have self-performed ever in your life. SERIOUSLY & FEVERISHLY PRAY - and You Shall Be Rewarded!
This is truly a masterpiece in dopamine addiction, 'just one more' mechanics- and tasty fungoid bounties!
Would pay double the price I got it for ($2.99)!
I look forward to many more journeys amongst the stars, and be made whole and worthy of- THE CULT OF THE YELLOW KING!
I think it's a missed opportunity to not have the final prestige track turn the game from cosmic horror into a dating sim set during the siege of the paris commune
YAYYY! We can finally announce it:Cult of the Yellow King will leave Early Access and fully release on October 12th!It feels a little strange to finally write that date down. We have been working on the game, changing things, breaking things, fixing them, and adding far more content than we originally planned. Now we are putting all our focus into finishing everything and making the full release as polished as possible. The Demo Has Been Updated!We’ve also released a big update for the demo!The previous demo was very old and no longer represented the current game properly. A lot has changed since we originally released it.The updated demo is now much closer to the current version, so if you tried it a long time ago (or haven’t tried the game yet) this is a much better look at what Cult of the Yellow King has become.The demo will stay available until one week after the full release. After that, we plan to remove it. So if you want to try the game before buying it, now is the time! What Are We Working On?For the full release, we planned to add a few new things. And by “a few,” we apparently meant a lot.We’re currently working on new buildings, relics, achievements, and plenty of smaller improvements throughout the game. We also have a few surprises! We want the full release to feel complete and rewarding and not only for new players, but also for everyone who has already spent many hours growing their cult during Early Access. Thank You for Being HereEarly Access has helped us enormously. Your feedback, bug reports, reviews and suggestions have all helped shape the game into what it is today.Making an indie game with such a small team can be chaotic, and we still have a lot to finish before October 12th, but we’re incredibly excited about where the game is heading.Thank you so much to everyone who played the game, shared it with someone, reported a problem, left a review, or just watched the numbers go up. 🖤💛We’re excited, nervous, and working at full speed. See you a...
Hey everyone!Just a quick heads-up as we get closer to 1.0!Tomorrow, the price of Cult of the Yellow King will go from $2.99 to $3.99, with regional prices changing along with it.We wanted to let you know before changing it instead of just doing it out of nowhere. We’ve kept the Early Access price pretty low while we continued working on the game, and now that we’re getting close to full release, we feel like $3.99 makes a bit more sense for where the game is now.Also, don’t worry if you were planning to pick it up soon! We’ll be joining the Steam Autumn Sale too, so the game will be discounted again during the sale.We also have some nice localization news: the Turkish localization is finished! It’ll be added in an update coming very soon.And there might be more languages on the way too! Someone from the community very kindly offered to help us with a French localization. We’ll share more about that once we have a better idea of how it’s going.And one more thing: we’ll be announcing the full release date very soon!Thank you so much for sticking with us through Early Access, sending feedback, reporting bugs, helping out, and just playing the game. We’re getting really close now and we’re very excited for what’s coming next.
Hey everyone! The 0.4 Update is now officially available! Thank you to everyone who played the public beta and shared their feedback. You found bugs, pointed out things that needed some work, and helped us improve the update before its full release.A quick note about your save files:If you’ve been thinking about starting a fresh run, now is a really good time to do it. With all the recent tweaks and the feedback you gave us, we're hoping the early game just feels a lot more fun to play through now.But don't worry, if you just want to jump right back into your current run, your existing saves are perfectly safe and will work just fine with the new update! (fingers crossed) Along with everything introduced in the public beta, we made the following changes based on your feedback: 🟡 When you start a new Prestige, you can now read through all previous lore pages, even if you didn’t manage to unlock every page. 🟡 Fixed a bug related to the Severed Hand. It now spawns Whispers as intended. 🟡 After unlocking the upgrade that allows you to sacrifice Whispers, you can now continue spawning new Whispers. 🟡 The game already had an autosave system, but we’ve also added a manual save option with this update. Plus:🟡 The drawings in the Stillness Engine panel have been updated and should look much better now. 🟡 We completed a full editorial pass. Some of the wording in the UI was too cryptic or didn’t communicate things clearly enough, so we rewrote and improved it. 🟡 The story now continues in Arc III: The Stillness Engine, with 10 new story pages to unlock and read. German Translation Is Now Available! Huge shoutout to our awesome community member, Ema, who took the time to translate the entire game into German! We can’t thank her enough for all the time and work she put into it. She also asked us to keep an eye out for your feedback. So, if you're playing in German and run into any typos or lines that feel a bit clunky, please let us know so we can tweak them! Steam Community It...
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