Project Hadea

You play as an OPERATIVE of Scytha Industries, a highly selective private security company. As their most elite Operative, you possess many skills and talents, not to mention top-of-the-line equipment - including your very own AI module, IVI.

This, of course, puts a price on your head. An AI module goes for billions on the black market; carrying one around in your skull is, perhaps, not the safest idea. Sure, you’re more than a match for anyone who might come after you - but no-one outside the high levels of Scytha knows about it, so you should be safe anyway, right?

Wrong.

Wrong, wrong, wrong.


Project Hadea is an interactive, text-based scifi story, written in Twine. This game is rated 18+, for explicit sex, swearing, violence... all that good stuff.

Status: Chapter Five released [05/06/2025]

Features

  • Participate in a character-driven story, with an emphasis on relationship-building and character growth
  • Customise your Operative: decide your pronouns, codename, combat specialisation and personality. 
  • Romance one of six ROs (3 nonbinary/agender, 1 male, 1 female, and 1 gender-selectable), including two alien options. Only some of them want you dead to start with, so your odds look good.
  • Oh, and raise that kid you rescued. How are your parenting skills?

Content Warnings

  • Explicit sex
  • Depictions of invasion/war
  • Nonconsensual surgery
  • Medical horror (particularly surgery, needles & use of heavy painkillers)
  • Bodily autonomy violations
  • Descriptions of violence/gore/injury
  • Assault of the MC
  • Manipulation tactics (including sex under false pretenses)
  • Strong language
  • Death

All sexual content is optional, and non-explicit options will also be provided.


Credits

Sidebar art by Riessene

Sidebar gif by JA Fitzjames

Sensitivity Readers

  • Mila
  • Tyler
  • Tia
  • Evan
  • Moonie

And a huge thank you to everyone who's helped with editing, proof-reading, and bug-fixing! Couldn't have done it without you xx

This project is currently available for free, but if you'd like to drop by my Ko-Fi it would be hugely appreciated!

StatusIn development
PlatformsHTML5
Rating
Rated 4.9 out of 5 stars
(529 total ratings)
Authornyehilism
GenreInteractive Fiction
Made withTwine
TagsAdult, Aliens, Dark Humor, LGBT, Sci-fi, Twine
Average sessionAbout an hour
ContentNo generative AI was used

Development log

View all posts

Comments

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Viewing most recent comments 1 to 40 of 173 · Next page
(1 edit) (+4)

amazing game! hope it's still in development but even if its not it was an awesome experience <3

(+6)

this is amazing i hope it’s still in progress 

Can someone please help me get with the alien? Ive tried a bunch of times and i dont know what im doing wron

I'm having this weird glitch where no matter what option I choose it says I shot Rohan.

(1 edit) (+2)

im really enjoying this game, went through it like 4 times.

(+2)(-1)

Do yall have a guide for which choices Nash likes the most? I don't want to have a bad relationship with them fr

(1 edit) (+7)

Wow! Amazing writing, characters, and I was impressed with how many choices and outcomes there are. This story and these characters are complex as is the MC (that last talk with Nash was painful and beautiful and I like that MC isn't a perfect person.) I'm sorry to see the end of the demo at Chapter Five, but grateful for the journey so far. 

(+4)

I think (?) it's the first time I see epilepsy in a game, that's awesome. Also amazing variability in dialogues, I've made 3 characters for this and kept seeing new scene variations.

(+11)(-2)

please give us an update 😭

(+20)

I played it all day between work. 

I read all comments with my brows in my hairline. I am sensitive person. I am rape victim. I will not policy IF. With all censorship and puritan shit I refuse to lecture people on how they should make their art, not when there is # 1 rule - this might be not for you. Deal with it.

Rohan is complicated. Im not sure on deep, but they are definitely got under my skin. And this is kind of characters that I am glad to see. They ARE refreshing. To me. Not sure if in good way. I killed them, I beaten them up, then reload. I do not want to kiss them. But MC might.

I really appreciate that MC can kill them. This decision is not only for giggles and morbid satisfaction. Its impacting your journey. 

MC is not some kind of vigilante, superspy or what else. They and Nash are fucked over, made useful, following orders. Lying and killing. Climb over others. Get experimented on.

BTW, I firstly tried calling to bosses. Didn't end well, just as MC thought, just as Rohan said it would be. So if you want to see a real shitshow, call your bosses. Trust me.

Nash (in russian thier name means "our", like "they are ours" heh) is my favorite partner. The Talk in chapter 5 is the reason why I decided to replay. Wonderful work on this particular dialog. 

I really liked the crew. Beside Rohan, they are on the other level lol. And my daughter. 

Thank you for your hard work. And for the thing with saves, this is one of the best features. I loved interface, very smooth and cool.

(+8)

I should've taken your comment as a warning, Rohan made it really hard for me to continue but I just couldn't kill them despite my ptsd acting up constantly. I agree with all your points, great IF.

(1 edit) (-1)

Very intresting story and I definitely have to find out how things move ahead, contrary to most reviews i have read I like to give people a second chance or to figure things out from the others point of view (im just justifying why i like rohan lol).

But honestly, great work and hope you release the next chapter soon. Best of luck and take care.

(+31)

Me: idk if i want the alien 
Me: oh who am I kidding I always want the alien

(+6)

so peak that I literally spent the last ten hours playing through this. can’t wait for the rest 🗣️

(+5)

wonderful writing!

(+6)

Very interested in this and where it's going. Definitely hooked.

(+17)(-1)

there’s such a breathtaking uniqueness & evocativeness to ur writing and dude I lose my mind every damn time. it’s such a perfect balance of poetic and present, and your control of pace and rhythm is just unmatched. you also have this way of creating foreshadowing and implication through description & directing attention that’s just amazing?

all this uncontrolled ranting to say: big fan of the update. big fan of complicated fucked up characters. big fan of pronounce 👍

(+4)(-100)

RO's are bad very very bad unlovable and half of the NPC's and RO's I meet are they/them as if you hate any other pronounce. 

(+8)

This game is freaking awesome can't wait for the next chapter!! Thanks for making such a great game your hardwork is greatly appreciated!!!!!!!!

(+3)

i want to fight director marisa istg

(+7)

I just can't with this game...Why is Rhaxa so damn cute ???

Anyway, this new chapter was excellent as always, can't wait for what's next

Thank you for your hard work !!

(+8)

ONG PROJECT HADEA UPDATE

The game seems to stop while talking to the doctor. Is this a bug or where it ends currently..?

(+8)

I literally gasped and started making weird gaspy sounds when i found out this updated! quite by chance! yesterday!!!!! AAAAAAAAAAAAA!!!! i have exams so i'll likely play after a while, but goodness gracious, thank you so much for your hard work!!!!

(1 edit) (+5)

Love the new update so far but I think there might be a problem? unless it is supposed to end here, usually it would show something though? anyway when I was playin, it ended like this,


 

(+2)

If you knew how often I check to see if you’ve posted anything for this….. Obsessive might be the word used. I’m so excited! Thanks, nyehilism!

can you make it downloadable? i wanna play it while in my car

wait how do you check the directory T___T

(+2)

It's in your HUD!

(+3)

Is this still being worked on? 

(+8)(-2)

yep. you can follow the author on tumblr if you're worried 👍🏻

(+17)

Really good game. Highly recommend.

(+28)

joia is my daughter now, i have claimed her as my spawn. 

(+17)

Joia bring me Joi


(Imma leave)

(+49)(-5)

I like the writing style here and I'm interested to see where this story goes, though I quickly started to resent every single one of the characters, including the MC. It gets pretty grating to have the MC constantly showing how angry and upset they are, only to have all of the other characters constantly chide and belittle them for it. I would appreciate some options that are a little more cold or unemotional, maybe some options that allow them to use some coping mechanisms they've developed to control themself? Since they're a trained agent, it seems a little weird that they don't seem to have any self control whatsoever. The drawn out descriptions about how sad, wet, pathetic little Rohan looks every time you say anything mean make it feel like the MC is being forced to feel bad for them - I don't know if that was intentional. I very much appreciated the option to flat out kill Rohan (the only sane option imo, but to each their own).

(1 edit) (+20)(-3)

I'm agree about Rohan. When we belittle him, the narration makes us feel like we just kick a skinny little puppy 😂 I kinda like to do it to him, but it also makes me feel bad. But still like it 😂 

(+36)(-17)

Ayo dropping in to say i'm digging this game a lot!! Don't bother with these bozos lecturing you about how to write it, how to tag it and circle jerking about terms for warnings xd They clicked the spicy option themselves, consensually, and had like 3 chances to chicken out, even. They're acting like you're forcing them to take Rohan's route. Don't like it don't click it, this game is not commissioned privately by anyone to decide what goes in it.

(2 edits) (+21)(-13)

Ikr? I don't want to be mean, but I will anyway 😂 there's people in this community that TOO DEMANDING to fit their comfort. People who just can't fathom the consequences of their choice. It's like mad that a horror movie had ghosts in it or amputee porn of having amputated character.

(I'm not writing this to judge people who have sensitive case like trauma, but one consensually choosing something they wouldn't like and still complaining)

(+34)(-10)

love this game! hope the author isn't discouraged by people who can't handle characters more problematic than wile e. coyote

(+3)(-2)

FDHDHDFSDAGDF

(+32)(-1)

This game is so enjoyable! Love it when MC is strong and can kick ass fr. The plot is also special and intriguing, there's still a lot to uncover and yet I'm already invested.

Rhaxa and Nash are my favs rn. Rhaxa specifically, I adore them (I wanna try petting an alien so bad)

I don't particularly care about the others (althou I dislike them all except for Skylar) but Rohan pissed me off so bad, I absolutely despise him. He said it wasn't anything personal but the way he kept taunting and smirking is just asking for death fr. MC already suffered enough and yet he's still going at it, and everyone expects MC to 'play nice' just for, what, that jerk's so-called useless help? Idk why theyre always judging MC when it's absolutely valid to want to attack Rohan. What he did is not some small matter that should be brushed off, it feels absolutely violating to be drugged and operated on, and yet everyone acts like it's no big deal which made me mad af. I wanted to shoot him but idk if that would make me lose the chance to get IVI back so I punched him instead. Wish I could shoot him later thou bcoz I'm not tolerating his ass. Don't know why he's even an RO, idc what reasons he has, what he did and the way he acts after is absolutely vile and sickening.

(+17)

REALL I FUCKING HATE ROHAN TOO

(+5)

OHHHHHH I LOVE THIS SO MUCH! IT'S SOOOO GOOOOD <3

(+13)(-7)

was coming to see if there’s any word on an update then saw the comments are an absolute fucking cluster. wouldn’t even blame the author if they ghosted atp. 

(+2)

need more Joia bonding scenes !!

(1 edit) (+16)(-3)

Honestly with all the criticisms in the comments I was expecting more of a bite to this IF lol 

Overall I like it I actually think the companions can be quite nice in their own ways despite reading comments saying their only mean - like Nash off the bat is a sweetheart - in the beginning Leanna is just trying to work things out in the moment to survive so she comes off as "harsh" but literally right after Rohan is being a prick (which they fully send him off as to break off the tension) she comes to the MC and directly shows cares for how they feel 

The alien (sorry can't remember their name) is stand offish but it's shown they clearly have a good heart 1) because their being hunted/exiled from their kind and 2) they show a clear care for joia's whole being and they even explain their reasoning for not trusting us at the start which the MC shares mutually back because their an alien lol

I like Rohan as a character I think he's the foil to the MC and it could be the Luka alien stage lover in me but I like that bit of toxicity - I recall seeing a comment asking why anyone would ever romance him and its the same reason people play IF where you can be a murderer/villain - and as a sidenote I felt like the whole "surgery" and forced tranquilizer was way more traumatizing then the intercourse (but maybe its diff if you dont choose to sleep with rohan I'll have to see)

(+3)(-1)

Lmao, I thought of that too. Rohan just gives Luka vibes—their appearance is also similar to Luka. 😭

(3 edits) (+19)(-7)

I love your story so much , I am currently replaying. Again. 

I missed this whole ordeal regarding the outrage some have 'cause of Rohan and the content warnings and such and am...kinda confused. Everything that happens in this story was properly warned of? Well, but I get that the way the MC is treated can be triggering for certain people -especially cause its kinda easy to forget that the MC is indeed first and foremost a dubious character -not by choice I guess, but its still there. In my second playthrough where I played a kinda kind MC I was kinda confused, too -kept forgetting the background of this person 😂 one isn't suddenly a good person just because Joia bought some specks of kindness to the surface of the MCs deformed soul 🫠

My favorite thing in this IF ist how...deep the trauma of the MC is. Well written. It's not the typical way a person with trauma is depicted and I LOVE it! It's such a treat to read ❤️ 

Im so invested, even after all this time!

In a sea of interactive fiction this one is imprinted in my mind while many others tend to disappear in the background after one playthrough. 

Congrats to that, its not easy to achieve and definately sth to be proud of. 

You are doing great, I really appreciate how you handled the harsh accusations in one of the other comments on here. Respect, its certainly not easy to handle a triggered person with trauma -and thats a compliment coming from someone that works daily with deeply traumatized people. 

I am so intrigued how your story will progress ✨ Can't wait for the update 🥰

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