The Sissy Girlfriend Experiment

You will start with a male character living with his sister, during a special night you met an older woman which becomes your girlfriend. You also have a friend (which you can choose the gender) who is the only person that you really trust. As the story goes on, each of those characters will play a part in your transformation.​

Developer: Jammye Jones – Patreon
Censorship: No
OS: Windows, Linux, Mac / HTML
Language: English
Genre: 2DCG, Text based, Male protagonist, Animated, Masturbation, Female domination, Corruption, Transformation, Sissification, Futa, Trap, Anal sex, Oral sex, Vaginal sex, Gay, Group sex

1- Extract to desired location.
2- Click on “The Sissy Girlfriend Experiment.exe” to start playing.

New content:
– 73 new outfits for unusual and different sizes (casual and sexy only).
– 48 short-videos replacing old gifs.

– UI: Cleaner and improved on most of the story.
– Porn UI: Thums and description of the videos. You call filter by niche.
– NPC avatar: Old ones changed, new added: Carlos, Hank, Mark and Tiffany.
If you’re playing with the sister, you can change the option for stepsister, but it can’t be reversed after done.

– A few issues related to UI and div.
– A few misplaced options over the story.
– Issue withe Master/Mistress online.


New images:
– 94 new images for Trans friend story.
– 12 new imagfes for DB task.

– DB Task: A guy is looking for a different footjob. You will need help. (Stepsister or Trans friend required).
– Outfit: Goth Student outfit.

– Issue during Male BF story.

Rating: 3.2/5. From 406 votes.
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Anonymous Fapper

I open the gay/trans games just to read the comments. Hilarious!


A lot of the best comments are deleted.

Anonymous Fapper

With the way this bitch talks, I can see why she has no luck with boyfriends, talk that way with me and she would already lost some the ability to talk.




How to spread monkeypox. The game.

Jackle Fapper

Actually your mom and dad spread monkey pox when they had you..

Anonymous Fapper

shut up you little sissy before i fuck your ass without lube.

Anonymous Fapper

You’re all a bunch of faggots. Where do you want to meet up?


You know, if you gays would take a break from random hook ups for a couple months monkeypox would end.

Anonymous Fapper

Love this game

Anonymous Fapper

Best game