
The Sissy Girlfriend Experiment
Game Description:
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.
- Extract to desired location.
- Click on "executable_name.exe" to start playing.
New:
- 153 new images
- 210 new passages
- New Rival: Madam Iris - New story intro: You owe a lot of money, and someone took this debt in exchange for your services. Meet Madam Iris, the person responsible for your sissification. In this storyline, your girlfriend is nice, but doesn't know what's going on with you, and as part of the agreement with Madam Iris, you can't tell her. Can you find a way to get rid of this debt?
- Succubus: The succubus can help you reach one of the 4 different endings for this story. Use her help and gain access to a new cursed item story.
- New intro: Using this rival system will change most of the introduction, such as things you comment on with your sister/stepsister, evenings with the stepsister, conversations with your best friend, Mrs Dee, and how your girlfriend reacts.Changed:
- XXX Theater: Blowjob, Eating, and Anal now require 10 skill points to do it.
- XXX Theater: Junkiee won't play with you if you are locked.Fixed:
- A passage where Destiny could wank your dick, even if it's locked.
- Added nail polish remover to the pharmacy.
- An issue is that you could access the quick inventory without having/wearing a purse.
- Dialogue with Danna when it's supposed to be the best friend.
- Dummy at the Mall carrying a purse in every store.
- Human Dog: If you miss a day, you will get a warning and then the message will vanish. You won't get punished anymore for skipping work on weekends (since you can't work as a dog on weekends, aside from being on a contest).
- Fixed the Male BF chat box, leaving the bar.
- Meeting Daisy and Stephanie downtown won't make you go back in time anymore.
- You won't be able to fuck Junkiee at the Pride Parade if you are locked.
- A few typos.
- Dual Core Pentium or equivalent Processor.
- Intel HD 2000 or equivalent Graphics.
- 1.44 GB of free disk space (Recommended to have twice as much free disk space than this).
The Sissy Girlfriend Experiment - Ongoing - v.0.14.2 Links And Mirrors
About The Game: The Sissy Girlfriend Experiment is a porn game made on HTML game engine. This game is rated M and meant for adults with explicit contents and strong language. It is advised to read the tags to get an idea about the game. The current available version is v.The Sissy Girlfriend Experiment. THe contents of the game is Uncensored. The Sissy Girlfriend Experiment is developed and distributed by jammye.jones, Please support jammye.jones if want the development of The Sissy Girlfriend Experiment game going or want to see more new games from them in future. The download links are crawled and gathered from various public sites. We do not host/modify or alter the contents. The uploader is responsible for the DMCA.
The Sissy Girlfriend Experiment's latest build v.0.14.2 is available in Windows, MacOS, Linux platforms and currently Ongoing. We last updated this game in May 12, 2026.
The Sissy Girlfriend Experiment's latest build v.0.14.2 is available in Windows, MacOS, Linux platforms and currently Ongoing. We last updated this game in May 12, 2026.
Walkthrough and Guide
WALKTHROUGH: FILEKNOT - ANONZIP
GUIDE : FILEKNOT - ANONZIP
Comic Stories 1 - 4: FILEKNOT - ANONZIP
Patreon SP 1 - 5 (Reward A5 contains all A1 - A5): FILEKNOT - ANONZIP
How to install the reward folder:
Your folder and files should be:
YouTube video tutorial
GUIDE : FILEKNOT - ANONZIP
Comic Stories 1 - 4: FILEKNOT - ANONZIP
Patreon SP 1 - 5 (Reward A5 contains all A1 - A5): FILEKNOT - ANONZIP
How to install the reward folder:
- Download both files: the last version and the Patreon reward.
- Unzip them in the same folder.
- Follow the example, or the images won't show.
- Start the game.
- Load a saved game or start a new one.
- Go to Computer, then Config.
- Enable Patreon content.
- You can check which version by opening the 'Patreon' folder.
- Enable your version, and that's it.
- You will see a new floor at the mall.
Your folder and files should be:
- folder/TSGE.html
- folder/vids/
- folder/imgs/
- folder/patreon/versionA1
- folder/patreon/versionA2
- folder/patreon/versionA3
- folder/patreon/versionA4
- folder/patreon/versionA5
YouTube video tutorial






