Your Loving Test Subject {|Day 4 Update|}
A downloadable game for Windows, macOS, and Linux
"No matter how long it takes, I will help you to remember me."
A few months ago, you started working in an office at a secret underground facility that refer to themselves as the Contain & Cure Company, the CCC for short.
Supposedly, their mission is to research and cure a strange infection called Obscurum-I. Its not a virus, or bacteria, or fungus, or anything known to mankind. Whatever it is, it changes people. Morphs them into creatures unrecognisable, with abilities beyond what humans are capable of.
One day, you are tasked to research one of the subjects. Despite it being outside of your line of work, you have little choice but to accept.
When you meet this subject however, he has the most alarming claim...
He says he is your boyfriend.
But you are certain you've never met him in your life.
{|FEATURES|}
- The first
34 days 13,000+ Words20,000+ Words- Customisable pronouns
- One totally ordinary, not at all yandere man ;)
{|PLANNED FEATURES|}
Roughly 9 days
The totally ordinary, not at all yandere man's infection will alter him differently depending on what you say to him.
Many endings.
The horrors.
{|WARNINGS|}
This is a horror game that is intended for an 18+ audience, and includes the following:
- Blood
- Gore
- Violence
- Death
- Insect themes
- Guns
- Yandere/Unhealthy relationship themes
- Medical & infection themes
- Flashing imagery
- Mutated monsters
- Spiders
- Toxic masculinity
Additional warnings may be added during continuous development.
{|CREDITS|}
Dark Fantasy Studios - Music
Copyrighy - Sounds
{|VERSIONS|}
- PC - Windows & Linux
- Mac
- As much as I'd love a web version, the demo has too many files u_u
{|CREATOR NOTES|}
Hello there! I'm back with another game, this time a demo for a much, much bigger project.
Back in 2023, I made my first original game, called 'Facility Breakout', though of course due to burnout, it ended up significantly smaller than I had planned. There was a planned character I had for that game that has popped into my mind now and again for the past couple of years, and I finally decided I needed to bring him to life.
This isn't a remake of Facility Breakout, it greatly differs in gameplay, story, and even the engine used! Still, it does feature some characters from that game, so perhaps it can be considered an AU of sorts.
This is going to be a rather large project, but I'm excited to make it!
By the way, I post development updates roughly once a week over at my Tumblr: https://www.tumblr.com/blog/jestersprojects
| Updated | 15 days ago |
| Status | In development |
| Platforms | Windows, macOS, Linux |
| Rating | Rated 4.8 out of 5 stars (108 total ratings) |
| Author | Jester |
| Genre | Visual Novel |
| Made with | Ren'Py, Audacity, Clip Studio Paint, FL Studio |
| Tags | Creepy, Dark, Horror, infection, Psychological Horror, Ren'Py, Spooky, Story Rich, Yandere |
| Average session | About an hour |
| Languages | English |
| Accessibility | Subtitles |
| Content | No generative AI was used |
Download
Click download now to get access to the following files:
Development log
- Bug Report 05/05/2615 days ago
- Build 0.2.248 days ago
- Bug Report(s)/Future Changes 13/03/2668 days ago
- Build 0.2.1 - Major bug fix!71 days ago
- Day 4 is here!71 days ago
- Build 0.1.2Jan 29, 2026
- Bug Report(s) 29/01/26Jan 29, 2026
- Behold, a Tumblr!Jan 27, 2026
Comments
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Na por lo buena que esta esta historia me aguantó que este en ingles, buen desarrollo y espero saber mas sobre este universo <3
En español porfis
Sadly I've no plans to translate into other languages currently, as I'm a solo dev that can only speak English, sorry! ^^;
I'm really loving the game! I love this idea of having your lover most of the time on the other side of a window, really poetic at the same time :) Also!
Bug report! !!!SPOILERS!!!
In the test about showing the stock edited pictures, when MC denies at first showing the pictures, but next wants to continue an error appears.
Good luck! Wish you very well!
Glad you like it!
Looking at the code, it seems I've messed up some jump calls- This'll be fixed in the next update. Thanks for the report!
THIS IS SO PEAKKK!!!!
Thank you! :D
PLEASE PLEASE NEVER LEAVE THIS PROJECT IT´S SOOOOO GOOOD. its so hard to find games this good this days with such a cool concept!
Thank you!
I've no plans to drop YLTS unless something drastic in my life happens, hopefully nothing does and I keep working on this :D
i love this game so much, i need day 5!
Thanks! Day 5 will come eventually! :D
This is soooo good what the hell Im gonna replay for different choice and see more plot!!! I haven't found any vn this interesting in a long time! Thank you for making it!
Thank you, glad you enjoyed it!
After my first playthrough, I was left completely captivated.
The artwork is stunning, the atmosphere is impeccable, reminiscent of the SCP foundation, which provides a lovely environment in this instance of storytelling. The characters are a little vague (duh, its a demo) but they are well thought out, and have a lot of accurate and immersive dialogue, leaving me wanting to know more. The way You drew the facial expressions, are truly the cherry on top! I have now rated the game, and followed you for further updates, im eagerly waiting for any sort of content expansion!
Have a lovely day! (PS: PUSH PUSH PUSH)
Wowzas this is an awesome comment to read, thank you! :D
The SCP foundation is a huge inspiration for this, amongst many thing
More will come eventually! I just gotta do a whole lotta writing first xD
I would not lie, I love this game so much.. I was replaying this again because I was bored and this game always surprise me and I was right! In the beginning I was trying to get the yellow form of Alois and I didn't get it (I get the pink form) instead I get the scenario of Alois being jealous of Michael. I was so surprised I didn't even know that I could get this and I was so scared and confused LOL. Im so happy that finally you could do a game more extended, I hope that we get moree about Michael, im more interesed in him. Anyways my apologize if this text have mistakes but I don't speak english. :(
ive been playing this game for hours how did you get this
HI! I lowk tried to look everywhere if there was a guide but creator said itd be released when game is complete.. So I replayed a few more times to get this scene, basically you just have to disobey and not do your task. Even just questioning, just dont do anything lol! I went through creator's tumblr and this is referred to as the punishment route (the other being, the photograph route I think)
I'm glad you liked it!
There's a lot of little secrets hidden about, most of its a simple dialog change, but there's also this! The two versions of day 3!
More about Michael will come, he has a very important role to play :D
Thank you so much! Please check it down here! ♥️🧸🌨️
Thanks for the video playthrough, its real neat and should help me find bugs when I get around to watching it!
❤️
moreeeeeeeeeeeeeeeeeeeeeeeeeeee i luv i luv ittt
Thank you, more will come eventually!
can I get a conjugal visit with alois WHO SAID THAT
This comment is so funny considering what I have planned! :D
Amazing game!! Can't wait to see more!❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤
Thank you, more will come!
my cortisol is high...
It will get higher soon enough :D
Alois is perfect and I cannot wait to play more.
Thank you! More shall come eventually! :D
Absolutely love it!!! Honestly spoiler but of all of Alois forms Yellow is my absolute favorite!! Spoiler again but has anyone figured out the coded/incomplete message at the end of Day 4? I've only figured out 'What did you think would happen?' and "Get Up" That aside banger game can't wait for more updates!!!
o primeiro não identifiquei mas o resto sim, eu acho(i did not identify the first one, but the rest are here, if i´m not wrong)
2. what did you think is going to happen?
3. that one has awoken
4. but you?
5.you have only just begun
6. get up
Glad you enjoyed it! :D
Looks like Debora's got it right! I wonder what such a message could mean?
Fuck with it a lot. I cannot properly glaze the game, so I will keep it simple. I love the plot, interesting and I want more.
Thank you very much, I'm happy you like it!
I'll likely start on day 5 at the start of next month :D
I was so excited for this and you didn't disappoint.
I loved Alois's new form, and Yes I died at the end of day 4 by trying to escape lol but I was left curious of the person who stood over us and what exactly they meant but I wont give more spoilers.
I loved how the story has progressed so far!
Great Job
Thank you for playing again! I'll try and watch the video when I have some free time- Perhaps I may be able to find more bugs that need squashing!
That person is a very strange one, should see more of her on Day 5 :D
As Always it really was a pleasure to play, this is one of the games I'm camping on and just waiting for updates lol.
I don't think I encountered any bugs but hopefully there isn't when I try the other choices out.
Ohh you got me even more excited to see this stranger in day 5 now.
Love it!!!!!! I love where the story is going. It's really good!
Thank you! :D
Love the update, it was totally worth the wait, take your time recovering. But, side note, there's a misspelling on the pink route when he's talking about his dreams. You use 'beats' instead of 'beast'.
Thank you!
Oooo good eye, I'll add that to the list of things to fix!
The demo was sooo good!! I couldnt stop playing!! I cannot wait for more, keep up the good work!!!
Thank you! Day 4 has just dropped! :D
Ahhhh, I absolutely loved the demo! The variety of options and the art are incredible. I love it; it's unique and haunting in its own way. I seriously love the art. I can't wait to see more of your game.
Thank you!
Day 4 has arrived :D
Omgggg!! Thankyou, really ahhhhh
amazing game!!
Thank you! :D
Okay I love the VN theme and storyline! Im a sucker for multiple choices and questions to get to know them in many ways! Looking forward for more since Im very curious about their backstories and the infection (even with the side charathers) and ofc more yandere content! :
Thank you!
Got lots planned later down the line for those side characters, especially Michael and Clara!
OMG!!! The begging music is so good and perfect for the game!!
Thank you!
Music comes from Dark Fantasy Studio, they have quality stuff!
I was so intrigued by this game and also the mutations I was wondering if Alois was inspired by Hanahaki disease. I would really love to see the others in the future.
I really enjoyed this and I am excited for whats to come.
Thank you for playing! Hanahaki disease is a cool concept but isn't what I had in mind when creating this. Inspiration comes from a variety of sources I'll have to write down one day!
And thank you for the video, I was able to spot a major bug I just got asked about over on my Tumblr! I'll be trying to fix that now :D
Ahhhh was a pleasure. Such a interesting world you came up with. Id love to know what inspired you cause It's amazing.
Oh is it about the eyes being closed I didnt think it was a bug, I wanna see what Alois eyes change too.
Overall waiting for what's to come from you
Thank you, its been fun creating it!
Yeah, its a very major bug that I've figured out the cause of! Once I upload the new versions I'll make a post explaining it.
Im so looking forward to it !!
I almost skipped over this game. I'm very pleased I chose not to, thank you. <3
Thank you for playing, glad you gave it a chance! :D
This is great! I can't wait for the next days, soooo interested in figuring out the lore! I was PHYSICALLY recoiling with dread when I read day 3's task. The researchers finna catch these hands if i live to see another day.
Thank you for playing! :D
The researchers are very strange aren't they? Who knows what they will do next...
The game is great, as is its story. i was seriously intrigued and curious to see what happens next, i hope its available in more languages so i can play it.
Thank you!
I don't have any plans to translate into other languages as I'm not sure how I would go about it, might be something to consider once its complete though!
Playthroughs are pretty cool! Thanks for playing! :D
I've been getting a lot of these 'Updated version of the game' bots
Don't trust any of them! If it gets too bad I'll make an announcement.
just played the game and love the story i am so curious to know what happen next, i will support you in other platform if needed! love to help people creations!
Thank you, glad you like it!
I've a Tumblr where I post updates if that's of any interest! :D
I REALLHY WAS GETTING INTO THIS GAME!!! (MY BF IS PLAYING IT TOO) I GOT SM QUESTIONS AND I AM SOOO READY FOR WHEN THE UPDATE HAPPENS!!!!! Some of the things reminded me of the SCP foundation tbh...
Haha glad you liked it!
SCP-verse is one of the big inspirations for this game!
I can answer any questions you may have over on my Tumblr if you want! I will answer anything I can :D
I just can't wait for the game to be out I just know I'll be playing it as soon as it's out. Please check this out, I posted the demo 🤍
Oooo a video playthough, cool! Thanks for playing :D
ah this was awesome. I loved this!! Cant wait for there to be more.
Thank you for playing! :D
The demo was so fun! I'm so curious the test subjects actually know the employees or if they just think they do. I think MC may be getting infected as well, which has me worried. I also feel so bad for Alois; I believe at least that he believes he's MC's boyfriend, and I have a feeling the company's tests will only get darker.
Thanks for playing!
Lot of interesting thoughts you have :3
Who knows what the company holds in store...
THIS IS PEAKKK CANT WAIT FOR THE NEXT UPDATE!
Thank you for playing! :D
No idea when the next update will come, got a lotta writing to do now, but should be this year if all goes well!
This work is just great, I like the atmosphere of secrets and conspiracies, viruses. It reminds me of the good old games with anomalies. There's a feeling of connection with the character. I tried all the options, and it's just a treat. I will be looking forward to the continuation.
Thank you for playing!
It takes a lot of inspiration from older games too! :D