The Sissy Girlfriend Experiment [v0.10.0] By jammye.jones

jammye.jones Games released a new game called The Sissy Girlfriend Experiment and the version is 0.10.0. The game’s story is about You will start with a male character living with his sister, during a special night you met an older woman who becomes your girlfriend. You also have a friend (of 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
File Size: 768.9 MB
Version: 0.10.0
OS: Windows, Linux, Mac
Languages: English
game details

Game Version Changelog:


  • 311 new passages.
  • New places: Sister/Stepsister’s room, Guest Room (after an event), Living Room, Kitchen, Laundry, Garden.
  • Sister/Stepsister’s room: All events related moved to this window.
  • Guest Room: After a certain point, you can rent a room to avoid doing the cleaning tasks.
  • Guest Room: 25 pre-made characters to rent the room. Interact with them, get inside the room, learn their secrets, and screw their meetings. After those 25, you’ll get random guests.
  • Bathroom: You will share it with Guests. Peek, talk or wait to use it. A new place to clean.
  • Living Room: Clean it, Relax, or interact with Guests.
  • Kitchen: Clean it, Cook, or interact with Guests.
  • Laundry: Do the laundry or interact with Guests.
  • Garden: Clean it, cut the grass, or interact with Guests.
  • New tasks to clean the house.
  • Hide or Show notification button: Clear view for your room.
  • Help system: Bathroom, Computer, Garden, Kitchen, Laundry, Living Room and Sister/Stepsister Room.


  • Sister/Stepsister’s task time: 10-19 to 8-18.
  • Small images for: Barry, Bully, Dean, Destiny, Gothic girl, Janitor, Sheyla, Sister/Stepsister.


  • Clean the house (4h).
  • Bathroom menu.
  • Money punishment if you fail to do your Sister/Stepsister’s task.



  • 212 new passages:
  • Doctor Paige: Talk to her about your changes, experiences, and daily things to get homework and feedback about your actions (over 40 topics).
  • Sex Meeting Support: After a few sessions with Doctor Paige, she will ask you to join a sex group support. Meet other people trying to embrace their sexuality.
  • Grazie: A virgin who is saving herself for marriage. Will she?
  • Ellena: A sexy woman with a strange religion. Is it a cult?
  • Riley: A Gooner girl who gave up on cumming. Is this right?
  • Diamond Request: (Lvl 3 DB Task) Someone is offering a few bucks if you try new diapers at the Bar.
  • Clinical Trials: Drain your prostate and lower your sissygasm level.

Game Images & Screenshots


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