Into the Monster Girl Hole

Name: Into the Monster Girl Hole
Availability: InStock
Rating: 4.0 (13 reviews)
Author: Calabi-Yo-Manifold

by Calabi-Yo-Manifold

Uncensored Windows Linux

Versionv0.2.2

EngineRen'Py

Released2026-04-08

Updated2026-04-10

LanguageEnglish

Going to bed on a Tuesday sucks, still 3 more days until it's weekend. 5 days of work, 1 day of regeneration, and 1 day of peace. Rinse and repeat... Not for you though! You have the once-in-a-lifetime opportunity to visit a parallel world, a world that is dependent on cum, knows no males, and is filled to the brim with monster girls, pursuing what only YOU can give them. There is only one question: will you go into the monster girl hole? Info: This game is mostly text-based, with AI images as backgrounds. So please note before downloading that there are hardly any visual sex scenes in the game yet, it all utilizes the most powerful graphic card of them all: imagination.

Screenshots

Win/Linux

BuzzHeavier DataNodes MEGA Pixeldrain VikingFile

Mac

BuzzHeavier DataNodes MEGA Pixeldrain VikingFile

v0.2.2 - 9 new monster girls - 3 new subspecies - fun puzzles - 1 new achievement - Mili, Chaaya, and Vruće have been reworked v0.2 - 8 new gals - 3 new achievements v0.1.12 - 2 new monster girls - Mili's, Ilim's, Sweety's, Chaaya's, and Marissa's pics have been updated, as well as their scenes and the intro of the game (no story changes, you don't have to replay them) - Looooooooore v0.1.11 - 25 new monster girls - Massive lore drops - 3 new achievements v0.1.10 - I have no idea how to even count the amount of new monster girls... It's between 28 and 34, depending on which way you count - Overhauled Devil species descriptions - I removed the 'lesser devils' subspecies and added the 'chimeras' one - Some of the serious/disturbing/depressing scenes have been dialed back a bit v0.1.9 - 13 new monster girls - a new species: Shapeshifters (with its respective subspecies, them being beastkin, birdkin, insectkin, kitsune, medusas, and merfolk) - a few bugfixes v0.1.8 - 12 new monster girls, plus a few returning faces - 2 new species with their respective subspecies, and 2 new subspecies for existing species - 1 new achievement, and you'll know where it is v0.1.7 - 13 new gals - slight file size reduction (I could've reduced it even more but at the expense of MG pic quality. For now, I don't want to do that) - Cool puzzles... Maybe. You'll be the judge - The scene replay for MGs shouldn't be able to break anything anymore now v0.1.6 1) I've added one line of code to the beginning of the game which, of course, people with a save file won't be able to see so I'll copy-paste the exact message here: "WARNING: This game may contain disturbing and/or depressing scenes/images as well as graphic violence. Also, general trigger warning just in case. If you cannot handle that, stop right here." 2) I've started to notice more and more errors in the code when it comes to handling variables and the catalogue scene replays as well as other problems there. I'll just issue a careful warning not to save the game DURING or AFTER a replay, just in case. Sadly, in order to fix these things how I would want them to be fixed would change the code so drastically that your save files would become unusable, which is something I will try to avoid at all cost. I don't know if one can actually break a save through scene replays but I wanted to mention it anyways. Who knows, maybe someone out there wants to abuse this to get some funny results - 18 new monster girls, including one main character and one... Secondary main character? Is that how you say it? - A shitload of new content, the most since the initial version of the game - Plenty of minigames/puzzles etc., I even thought of and implemented an entire card game that you can play (not really a fair one though) - 3 new achievements, evil as always - Funky new soundtracks (since the update is so long, I created multiple because I didn't want people to get sick of them) - Some bug fixes... I think. As always, I didn't write down what I fixed and forgot v0.1.5 - Mili has new dialogue images to match her picture - Ilim has a new look, now she looks like I imagined her - All existing scenes have been altered and received some 'upgrades'. In this regard, please check out the infopost - Continuation of the story with 6 new monster girls... Or was it seven? - Some minor fixes v0.1.4 New content: - New monster girls: 12 - Xray panels for a more immersive sexytime experience (I repeat though, don't expect too much from them. Making them requires a lot of manual editing which I SUCK at, but I think they serve their purpose) - Sexytime scenes now have sound - They ALSO have cum overlays now - This update is free roam, so have fun exploring - 2 new achievements Changes: - I wasn't happy with the robots species, as the most robotic subspecies (robot girls) weren't 'robotey' enough for me, so I added a new subspecies: true robots! They are as close to actual robots as you can get. With this, a bit of dialogue has been changed from the previous update. - I also wasn't happy with Py-Thon's non-ahegao dialogue images, so I overhauled all of them. - ........ I also wrote down a note that I changed something regarding the clarification of the rules of creation, but I don't understand what I meant there lol. Oy vey, what a developer you have here... v0.1.3 -New monster girls: 12 (of which 5 have only been introduced, they don't have any scenes yet) -Changes: None (I think) -New stuff: Alright, this is the big one: I have mentioned this in a progress update already, so here it is again: We'll be having X-ray penetration panels from now on! Woooo ! They may not be perfect, but they are good enough for me, and that is what counts for me. I'll have them for sexual acts that are not easily apparent from the monster girl image, so no pics of titfucks, bjs, handjobs, etc. (unless they are NOT easily apparent). Sex, anal, and everything that is hard to imagine from looking at the image will have them though. One girl in this update will have such a pseudo-animated sex panel already, but every encounter going forward will have them, as well, as long as the conditions are fulfilled. Existing encounters will get them eventually, as well. v0.1.2 New Content: 8 new monster girls Changes: - added a new feature: Premonition Mode! When activated, it will display possible fetishes before every encounter. You can activate it at the start of the game. IMPORTANT NOTE: If you come from 0.1 and already have a save file but want to activate this mode, do this while in your save file: SHIFT + O --> copy and paste the following: premonition_mode = True --> press enter --> press ESC - I've overhauled the catalogue, now text is bigger and should be easier on the eyes - All hideous black infoboxes (that you actually could scroll out of, lol) have been kicked out and replaced with dedicated screens. This includes all info boxes in the catalogue and in the item menu - The meme onslaught was a bit too much even for my taste and has been turned down a bit (I've also slightly changed 0.1.1 scenes in that regard, but not by much) - humor has been either reduced or axed from sexytime scenes, as this is where players should fap, not laugh - Some bugfixes Small changes: - a small notification has been added to the catalogue when you first open it, pointing players to the 'sort by biome' option - the volume of the frostmare hound's roar has been reduced - Chaaya's assistant has been renamed from M-ARCY to Enco-Deco (the reason for this might become clear next update) - some more slight changes that I've forgotten about because I am an idiot and didn't write them down as I implemented them -sigh- v0.1 Initial Release

Jogo129 2026-01-06 ★ ★ ★ ★ ★

I normally don't give review to games simply because when I don't like it I simply move on and when I actually like it I don't have a clue on how to proceed but this game convinve me that I shoud do it. At first, I was their only for the potential fap material but as I was playing I slowly got caugth up by the story and now if I'm being honest I'm still here only for that (almost only ). The storywriting is pretty deep I mean you can feels the bond that MC build with the characters that the dev choose to develop. I mean when everything goes to shit I was like "oh fuck" or when a situation seems desperate I felt kind of sad or when everything is great I was actually happy for the MC and his guides. Anyway, I probably sounded like a goofball but I think in some way you will get what I mean, this game is a must try if you want a good storytelling in a fantasy world (with some fap). If you actually want a better review than mine (because I'm pretty bad at this shit) what Retrofire said (the review just before mine) summarize pretty well how I feel about this game. A little tips for the end, if you don't want to miss anything you should probably follow the walkthrough that the dev kindly make for us and keep updated.

Retrofire 2025-12-31 ★ ★ ★ ★ ★

Reviewed as of v0.1.1.12 - End of Intro The author of this game has a big imagination. The lore is layered and even if he made it up as he went, to me it doesn't feel like it. This is one of those games that takes a bit to set the hook. It starts of feeling pretty pedestrian and slowly turns up the complexity until you're, well...Invested. There's a LOT of content here, if you opt out of nothing. I'd go so far as to say in some ways the game is unfair. Meaning if you don't use the walkthrough you WILL miss lots of content because you will fail to obtain items necessary to advance subplots. It will absolutely punish you for not paying attention, but it doesn't constantly hit you over the head with it. I would say I made it about 7/8ths of the way through the existing content and it wasn't until I was on Mili's Island (the segue to the intro's epilogue) that I realized I had a bunch of missing scenes, so I started over using the walkthrough. I see a lot of other reviews commenting on the excellent writing, but I would argue that it's really competent storytelling. The writing itself is somewhat less than artistic, and wordsmithing isn't at the forefront here. In spite of that, each character is imbued with personality, and given how little screen time many of them have, the writer did succeed in making me care for some of them. For a Pokemon-style "gotta fuck 'em all" adventure that's a mile wide and an inch deep, there are still a few encounters that get more depth. Laila in Heaven, the MC's Isekai Guides, and many of the tragic succubi all have backstories that tug at the heartstrings without descending overtly into dreck. The presentation is...For lack of a better word, modest. What the minigames and character catalogues lack in production value they make up for in not being overleveraged and functional. Another point in the dev's favor is competent pacing. Many (most) encounters are clearly intended to be smash n' grabs, but the characters the dev wants the player to connect will don't give it all up at once, and always leave the door open for future progression. At the heart of this is a lore concept called "Deep Embrace" where the MC can use unprotected sex to form a permanent (non-monogamous) bond with a given girl. So far, the MC has not had an opportunity to do so, however there are a few that are clearly developing in that direction and building suitable anticipation. Further, many of the most "bangable" girls are off-limits due to plot armor. Combat angels swear an oath of celibacy, and Isekai Guides cannot have sex with their human. This wisely creates an environment full of forbidden fruit ripe for future loopholes and creative plot development. The core moral of the story seems to be a crusade against black and white worldviews and finding compromise. It's a story-within-a-story revolving around a supernatural war between Heaven and Hell with a more mundane earthly Game of Thrones happening in the foreground which the MC has pledged himself to resolve. If there's a complaint I have with the story, it's how Mary Sue the MC tends to be and how (nearly) every girl who runs into him just intrinsically knows his EQ is off the charts and that his motives are pure. For a game that took me probably four days playing off and on to get through, I never once really felt any urge to fap. It's not that kind of game for me (yet.) That doesn't mean the relationship development wasn't interesting to read or that the imagery fell short, it's just that the closest scenes to having any real buildup and erotic payoff happen near the end of the intro only to be cockblocked by a rule Guide Fairies have to live under. Will I play future updates? Absolutely. This feels like a labor of love, and if you don't require a lot of visual stimulation in your visual novels, this is one fun ride with lots of interesting story to experience. I loved the portrayals of both Heaven and Hell, with both devils and angels topping my Heat-o-Meter for allure. With the available content being only the intro (and there are many hours of it!) this is an ambitious effort even without the expected amount of art and animation to fill in the empty spaces. 4.5/5 so far, rounding down for now. If the devs stick the landing, I'll round it up in a heartbeat.

MoltenNeko 2025-04-08 ★ ★ ★ ★ ★

(As of V0.1.8) The game is surprisingly well-written and apparently this only reaches up to the Intro portion of the game (if I didn't misread anything) so you still have tons of content to go even after you make it to the end of the current patch of the game. The characters are fun and scenes are carried by the writing (which is good even for VNs that don't utilize AI) and one of my main gripes with stories being characters like Ilim with quirky random nonsense but she's written in a way that while still random, doesn't feel obnoxious. Mili's a good balance too without making one or the other "the sane one and the one who's a little less sane". Aside from those brief moments of cringe that comes around every so often the smut is surprisingly well written and works well with the images the AI gen provides. There's not really a lot of games that go full-dive into MONSTER monster-fucking (which I like) and this is actually benefited by the AI art as it ups the weirdness (which is hot.) But as is with all VNs, I can't give it a 5 even if I massively enjoyed it simply because it uses IA art. So I'd give it a 4 since it wouldn't feel right having it be at the same level as hand-drawn VNs I've rated, but it's definitely at the top of any VNs which use the art.

lubujiana 2024-09-22 ★ ★ ★ ★ ★

As you has seen in the picture. The game is self-aware. It has a good deal of comedy that could make you laugh. In this type of game i usually just skip dialogues, but I found myself reading some of them, not for the porn which is … well basic, it's a 2D Renpy game, and the not unordinary one. The art is good (yes it's IA). The story is .... lacking ? I mean, it's a fucking isekai where you are told you are a human male, and you will visit all kind of monster girl, I don't know what you expect. But like i said, it's self-aware. Gameplay wise, you are on a track. It's a Visual Novel, after all. But you do have the actions to change the encounters, so it has some variability and when it doesn't, you will understand it quite fast. Good game and VN, bad porn game (i don't like 2D still image Renpy, and reading). Some image and fetish can be shocking, while the majority is avoidable.

Deleted member 905132 2024-08-18 ★ ★ ★ ★ ★

The art is interesting. That's about it. The dialog is pretty terrible; the narrative lacks coherency and seems like it was written in an attempt to sound profound yet quirky. The UI looks kind of rough. It doesn't feel broken though. The "gameplay" is fairly tedious - as I mentioned earlier there is no real coherent narrative so you just sort of end up picking options in the menu until something happens.

coijga 2024-04-07 ★ ★ ★ ★ ★

I like it. Perfect use of AI for a visual novel in my opinion. Interesting characters and fun dialogue. Looking forward to seeing what is added. I like the variety of monster girls. A lot of monster girl games play it too safe.

Ikomomo 2024-03-12 ★ ★ ★ ★ ★

Don't let the AI art tag fool you this VN is actually really good and the art is more than passing. It's kinky, it's monster girls in the best way, and it's even a little funny. I'm hyped to see where the creator takes it and what kind of sex scenes we will get. Also shout out for not being afraid to get MONDTEROUS with your monster girls Calabi, not enough MG content leans into the exotic and beastial type of girls.

XzerocokeX 2024-03-05 ★ ★ ★ ★ ★

Actually not a bad game, despite its images being AI generated, mainly due to the strength of the writing. And I cannot overstate that enough, the writing is fucking hilarious, doesnt take too much of your time for what youre getting, and isn't at all wordy like some writers tend to be. However, the fact still remains of the ai generation, which really does pull the game down quite a bit. If possible I would find an artist to slowly replace them. The MAIN issue however, I find, is the sex scenes being almost entirely text based. You get a general pic of the monstergirl being ai generated and that is it. I think the one thing above all others that could help raise this game up is getting more cgs for each monstergirl encounter. This could be done via replacing them with an artist like previously mentioned, or with generating more images using whatever ai generator, or even a different generator, of the creators choice. But to conclude, main issue is the sex scenes being purely text based, other than that, great game!

Frederico Plump Boy 2024-03-03 ★ ★ ★ ★ ★

Alright, let's get into "Into Monster Girl Hole" and what makes it a blast. It's filled to the brim with monster girls, and it never fails to surprise you. I was on the hunt for some vore content, and although it's not the main focus, the game delivers in a way I hadn't seen before. If there's stuff you're not into, the game has your back. You can skip scenes or characters, no problem – a real plus for those who like to mix things up. Though, one heads-up: opting out doesn't always give you the full picture upfront, so if you're trying to avoid certain themes, you might walk into something unexpected. Now, let's talk writing. It's got this perfect blend of wit, depth, and spice. The writer's skill makes those monster girl encounters come alive without needing anything more than their words. To be honest, most of the erotic scenes weren't my cup of tea, except for the vore content – that stuff was on point. There was this one scene that hinted at something more intense, and it was a bit of a letdown when it didn't go down that path. Still, the writing quality was top-notch. And the visuals? They're surprisingly good. The artwork complements the game better than any stock images I've seen in other games. The characters' expressions? Didn't expect them to be so on point. Each character stands out, and no two scenes are the same. It's a real treat to dive into this game.

Circle0Trick 2024-02-10 ★ ★ ★ ★ ★

I used to call dildos "dilds," but then I took an arrow to the thigh. However you felt reading that sentence is how you'll feel playing this game. Memes are omnipresent and the titular protag of Hyperdimension Neptunia is gentler with the 4th wall than the Guiding Fairy of Many Names Girl . There is a lovely amount of "girl monster" in this "monster girl" story, and every scene featured something unexpected to make me smile. I sought the game for the vore tag, for the sake of getting eaten, and found while it doesn't even focus on vore, it features it ways I'd never seen. (Don't worry; you can opt out of any scene/character, which is great for people who dislike vanilla. If it gives you an option in a dialogue choice, you can take that route.) One potential complaint is in the way opt-out works: you won't necessarily know what the scene genre is at the time you choose whether or not to engage with a character (you can pre-emptively disable all rape scenes, though.) I don't mind this, since I'm not offended by anything, but if someone more sensitive to certain things may find themselves dissatisfied and/or accidentally into something they don't want to be. The writing is an expert's dance of hilarity, heavy, and horny. The novelist's mastery of the medium is such that the illustrations of the cast's strange shapes is more than one needs to experience the life in each scene. I can't actually rate the quality of most of the eroticism itself, because I was actually not sexually into most of the scenes, except the vore scenes. Those were great. One scene seemed like it was going to be a violent vore one, so not getting a vore route was a bit of a letdown. Very well-written, however. On the subject of illustrations: the visuals are actually very well-done, and better integrated than any generative images I've seen a work use. I didn't expect such expressions in the character windows~ Every character is a character , and every scene a new experience. This work is a joy to read.

Playfulpetfox 2024-01-27 ★ ★ ★ ★ ★

v0.1 Has more personality than most AI games I've tried, but still stumbles right into the exact same shortcomings as all the rest. Low effort in the actual porn category, with the most offensive being, of course, the absurd lack of actual AI art. It's almost like they couldn't generate consistent images of the same character more than once or something... I 100% skipped through the plot, because this is not only a porn game, but an AI one that's at v0.1. I'm here to sample the goods, not get teased by the plot. Glad I did, too. Why? The lewd writing is childish. It's definitely not the worst I've seen on this site, but it's most certainly not the best. Or the okayest. We get text like ggGGGGGGHHHHHH and a single massive <3 from a slime girl whom's existence, much like everyone else's, consists of one picture. From the girls I saw, you never see intercourse. You never see the girls doing anything besides just posing slightly. You most certainly don't see any of the things being depicted. I'd say this game should have just been text based, but from how short most of the sentences were in the sex scene, it's immediately clear why it wasn't. The scenes themselves aren't the shortest I've seen people get away with, but the writing most certainly doesn't back up its length. This game really needed AI as a crutch, or the text as the AI's crutch, but it seems to have lost both before ever actually taking off. The UI seems like standard Ren'Py affair until you make the mistake of poking into your inventory, or trying to change your guide's nickname. Shit really starts to look awful then, and you immediately see the extent of the dev's experience showing. I think this is important to mention because people need to stop putting out games before they even understand the engine beyond what a 7 minute tutorial will teach you. All in all, it's just AI slop at the moment. Not worth a try. I like the vibe they're going for, as it isn't taking itself too seriously like a lot of things. Issue is there's just nothing for this to stand on. It's AI without utilizing the benefits of infinite, free art at your finger tips. It's text reliant without any quality writing to back it up. It's all the worst parts of any mediocre Ren'Py porn game shoved into an embryo that seems ready to shrivel up and pass on...except grinding. At least there was no grinding. But at that point, just make it a VN.

aquasnek445 2024-01-27 ★ ★ ★ ★ ★

While I love that this has actual monstrous monster girls (especially with how rare that is with AI,) the lack of images depicting the actual deeds brings this down quite a bit. The story is pretty good and is humorous, but the porn is lacking, a major issue for a porn game.

Lorddarcian 2024-01-26 ★ ★ ★ ★ ★

Nice artwork, even if AI generated the story seems interesting and the text is engaging. has humor and seriousness to it as well loved the first release so far. not seen a lot for a downside, other than i wish the scenes were animated but understand the limitations with this type of art. great beginning and can't wait for when we can explore freely and the different types of monster girls. love the fact there are actually "monster" girls not just the cute humanoid types people are mostly used to P.S the VN is text based so people complaining did not read that it will be mostly text based