Unreal Engine

Ultimate Sissy Simulator [v2.0.1-alpha3] [ussdev]

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4.1 Rating 9 Views Updated Sep 24, 2026

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Create a male character and start making connections. Your goal is to turn your contacts into sissies by getting them

Create a male character and start making connections. Your goal is to turn your contacts into sissies by getting them to agree to certain things. Once you’ve got your first sissy, you can start brainwashing them to accept the ideas you’ve planted inside their heads.

Thread Updated: 2026-09-24

Release Date: 2026-09-23

Developer: ussdev Patreon – Itch.io

Censored: No

Version: 2.0.1-alpha3

OS: Windows

Language: English

Genre:

Sissification, Male Protagonist, 3d Game, Anal Sex, BDSM, Character Creation, Drugs, Gay, Futa/Trans, Male Domination, Interracial, Management, Mind Control, Oral Sex, Point & Click, POV, Prostitution, Sex Toys, Slave, Trainer, Transformation, Trap, Virgin

Installation:

1. Extract and run.

Changelog:

v2.0.1-a3:

Fixed in this patch:

Bed masturbation snap point. Character no longer ends up under the mattress.
Anal sex desire bar now updates during sex.
Settings save properly (Window / Sound / Graphics). Autosave works. No Apply button, by design.
Buying a dungeon now adds it to the dungeon list.
Paying rent no longer wipes real estate data. Studios/dungeons don’t vanish after the rent check.
Betting to change a contact’s status now applies after a win.
Toys now go into the NPC’s inventory and can be controlled. You can remove a plug/cage after applying it.
Sissy-side: sex option when betting with a contact is back.
1080p black bar / game not filling the screen.
Vibrating a cage during masturbation no longer triggers instant ejaculation.
Stop Action button no longer softlocks the game.
Winning money from the contact card/dice game subtracts the money instead of adding it has been fixed. Turn count does save now.
Fixed Abandoned House dungeon cells lighting issues.

Known issues:

Attractiveness is not updating properly. Ignore it for now. That whole system is being rebuilt.
Prisoner day simulation in a dungeon is unfinished. Some stats don’t update.
Demands are broken.
Lots of small UI display bugs.
One new sex position is jittery. That anim set isn’t finished.
Sissy command menu is unfinished. Masturbation, humiliation, and ownage are still being tested.
Moving a prisoner from one dungeon to another doesn’t work.
If a prisoner was locked in a dog cage and you release them from the dungeon, that cage becomes useless and has to be deleted.
Coffee shop job is broken. The reputation ticker fires but the actual value doesn’t change. No skill progress. You get fired after a few weeks and then the job pays nothing. Ignore that job for now.
HRT is not applying correctly. Estrogen stays at 0 or drops.
Contact icons and last-interaction info don’t refresh until you bounce through the main menu.
Contact schedules are bugged. Shaving can succeed and then get overwritten. Makeup and hair persist.
One of the new sex animations makes the top orgasm immediately every time.

v2.0.0-alpha3

I want this part clear so nobody walks away with the wrong idea.
A lot of the core got rebuilt. I thought most of the bugs were handled. They weren’t. Some things are still broken, and this last week has been rough.
Progression ate a lot of that time. I tried a pile of versions and hated most of them. I think I finally have something I can live with.
It’s only half done.
The rest comes in later updates, when it’s actually playable. Not when it just looks promising in the editor.
Self-sissification is still a weird system. It always has been. For now it stays at 3 stages. Use them if you want a track to follow. You don’t have to.
Stages 4 and 5 will be loosely narrative. Not a movie, not a big campaign. There’s a new character tied to that, and I’m working on them now.
World travel is also being rebuilt. Neutral locations come back with that, including the motel and the glory hole. They didn’t get deleted.
Not in this update. Do not look for this stuff in the current build.
What I’m locking for upcoming updates (If it is on this list, it is not playable today):
Kidnapped arc. Not in this build. It’s more structured now. A few scenarios. The kidnapper picks one based on stats and needs. You can go with it or try to escape. Escape should feel less cheap. You’ll be able to learn the guy, his schedule, and find a real window to get out.
Mini-campaigns for prisoners. Not in this build. The old Master/Sissy split is gone. Any character can rent dungeons and hold prisoners. The mini-campaign depends on who you are.
Dungeon Keeper progression. Not in this build. Both characters get this later. Masculine lean is more sissification / turning prisoners into slaves. Feminine lean is more about getting what you want from them. When topping animations are in for the feminine character, you’ll be able to sissify prisoners as him too.
World travel, motel, glory hole, other neutral locations. Not in this build. Travel is being rebuilt. Those places return with that update.
That’s the list. So don’t worry, I’m not piling extra campaigns on top later. The one exception is the new character. That one gets its own content, and I’ll talk about it when it’s ready. Everything else is finishing this list and polishing the game: UI, animations, textures, effects, all the last-mile pain

This update (briefly)

Master mode and Sissy mode are one mode now. Same character, same world. You build them how you want and play both sides of the old split from one save.

Character creation is rebuilt. Name, last name, social handle, all that good stuff. You can choose between Archetype plus at least 3 traits push the stats. You can now customize your character’s face and body right away.

Saves are rebuilt. One save is one file. A new character does not inherit the previous profile. It used to be pretty messy.

Old saves will not work, unfortunately. The save structure changed and a lot of the core went with it. There wasn’t much to play in those saves anyway, start a new character, please.

Dungeons are rentable real estate. You can hold more than one. (ignore ‘abadndoned house’, sorry about that)

Contacts have conversations now. General is always available. If the contact is your sissy, the command menu opens on top of that.

Consent is in. You have a sheet, every contact has a sheet. Future progression hangs off this. The sheet is here. The full progression is not finished.

The escort agency is back. It sat broken for about a year and a half. Ledger, reputation, roster, hiring are in. It is not finished. It is playable.

Webcam career’s loop works. Planned events are not in yet, but it’s better than it used to be. LustLink is no longer a career, it’s passive income.

This is still Early Access. Core systems moved, some things are still rough. A lot of of smaller changes didn’t make this post.

The rewrite wasn’t optional. The project had gotten too hard to work on, it just wasn’t fun anymore. Without this, there wasn’t a real future for the game. Thank you for waiting. I know 5+ months of silence is a lot, and a bunch of you stayed anyway. I don’t take that for granted. I see you. I appreciate you. I’m not disappearing like that again. Updates are going to start coming out regularly now. Smaller ones, more often, instead of one giant radio-silence drop.

v1.5.2-a3:

Hello, everybody!

This is a small patch, mainly for bug fixes and a few tweaks.

Bugs:

KinkApp and LustLink accounts delete themselves after simulating a few days. [FIXED]
The captivity menu doesn’t close when accepting or declining a deal, causing UI problems, especially in masturbation and sex modes. [FIXED]
After being released from captivity, the camera gets locked to a certain axis in masturbation, sex, and room customization modes. [FIXED]
Breast development isn’t working properly, causing weird clothing clipping. [FIXED]
Sex toys don’t get added as ‘owned’ in captivity, making it impossible to purchase them after being released by the kidnapper. [FIXED]
Punishments for getting caught during an escape attempt don’t apply, causing the player to become stuck. [FIXED]
Contacts-related UI alerts (yellow exclamation marks) don’t update properly. [FIXED]
The dropdown menu (bedding style) closes immediately. [FIXED]
Toys in use (equipped dildo/vibrator, inserted buttplug) don’t open when entering the Toys tab during masturbation or sex. [FIXED]
It’s impossible to receive deals after punishments (caught escape attempt);,the player gets stuck even if the punishment ends on its own (which happens occasionally). [FIXED]
The KinkUp app adds a bunch of empty requests when creating a new account. [FIXED]
Compromising footage isn’t created when the appearance (outfit, makeup, nails, etc.) is changed. [FIXED]
Deep-Throating Endurance doesn’t recover. [FIXED]
The character’s age doesn’t get updated. [FIXED]
Physique in Personal Info always says ‘Masculine’. [FIXED]
Penis clips through chastity after changing outfits (top and legs). [FIXED]
The sex machine doesn’t increase/decrease the main stats (climax, arousal, pleasure, pain). [FIXED]
The KinkUp search (main interest) either doesn’t work or is locked to your ‘Main interest’ set in the account settings. [FIXED]
It’s possible to unlock a chastity cage in captivity, even if your don’t have the key. [FIXED]
It’s not possible to change your breast size in Body Modification. [FIXED]
In the main menu, ‘back’ button doesn’t do anything, and it doesn’t disappear when changing tabs (e.g., from Appearance → Hair/Nails/Makeup to Character tab). [FIXED]
‘I should be permanently locked in chastity’ idea replants itself after acceptance; [FIXED]
After changing the sex position, the characters would “descend”. [FIXED]

Additional

The ‘Breast Implants’ option has been added to Body Modification (Body Modification → Extra → Breast Implants).
Color presets have been added to the Color Picker widget (makeup, nails, hair, eyes, room lighting). This will be expanded to include actual color presets for clothing using the existing patterns.
You can now open the masturbation/sex menu with RMB (thanks for the request btw), and MMB now opens the sex/masturbation actions. I’ll be adding a key mapping feature in the future, you’ll be able to customize it however you like.
A buttplug can now be inserted during sex. Note that anal options are not available when a buttplug is inserted.

Unfortunately, not all bugs have been fixed. There are a lot of additional small changes, but they aren’t that relevant for this version, so I’m not including them in the notes. I’ll add everything in the v1.6.0-a3 release notes. As I often do, I probably forgot to mention some important changes, I’ll add them later if that’s the case.

v1.5.1-a3:

Bug Fixes:

Your rented/purchased rooms are disappearing after you exit a sex scene (at the motel); [FIXED]
Contact requests sometimes disappear; [FIXED]
Contacts aren’t being saved if you click on another contact while one is open; [FIXED]
Button alerts (yellow exclamation marks) do not disappear. Wasn’t fixed, just disabled, it requires a little more work;
To get promoted to barista, you previously needed 50% reputation. I’ve decreased the threshold to make it easier to get promoted and progress;
Room IDs weren’t being passed correctly to the Sex Manager. If you had two rooms and tried to have sex in one of them, the level wouldn’t load properly; [FIXED]
After ejaculation (during sex), the top’s Climax meter didn’t reset to 0; [FIXED]
Masturbation Programs tracking was bugged, tasks would disappear, etc.; [FIXED]
Exiting Masturbation mode while a program is active and then reactivating it would load an empty objective; [FIXED]
Infinite sissygasm while in cowgirl position; [FIXED]
Micro penis stroking was causing some issues; [FIXED]
Sissygasm wasn’t being counted when a masturbation program was active; [FIXED]

v1.5.0

A lot of minor bugs have also been addressed.

Important Note: You can get kidnapped by those whose interests say “will be a master”. Go ahead and test it out, and let me know if you find any game-breaking bugs.

I’m gonna quickly go over what’s new in v1.5.0-alpha3:

Game Selection Screen: You can now create up to 20 games and even pin two games at the top.

Real Estate & Bills: The real estate menu has been updated with some UI changes, mostly for bug fixes. Plus, the bills you receive are now multiplied by 5-10% daily.

New Full-time Job: A coffee shop job has been added for you to earn some stable income. It’s pretty straightforward: earn XP, don’t miss work days, get promoted, and make more money. It’s not fully finished yet, ‘Staff Management’ and ‘Random Events’ will be added in future updates.

New In-Game Game: You can now play a game with your contacts. Right now, you can only bet money, but more options will be added soon. You can also customize how you want to play, making it as simple as just rolling one die, for example.

KinkUp: It’s not really a dating app, but you can find people and add them to your contacts through it. It’s an anonymous app, so you never really know who you’re meeting. Its functionality is a little limited right now because it doesn’t make much use of ‘main interests’, but it’s great for hookups.

New Male Character: For now, just ignore its weird looks, textures are off, and the morphs are meh. He doesn’t even blink, just stares. It lacks properly set up presets to create more proportionally accurate guys (I can’t really describe it..). But it does its job, it can have sex and stand in the main menu acting like it’s asserting dominance. I’ll be adding skin variations, hairstyles, facial hair, and more in the next update, so it’ll look much better. And there will be more races available, too.

New Progression system:

The only available goal (Self Sissification) isn’t fully functional yet because some objectives in Stage 3 and beyond aren’t being tracked properly. But don’t worry, it doesn’t really break anything, Self Sissification serves mainly as a guide. It’s not super challenging, just a way to give players some direction on how to increase certain stats, find people, etc. It’ll be completed in v1.6.0-a3. Even though most of the tools to sissify your character are available in the game, players still need some kind of guide like this. Sorry it’s not fully functional yet, I’m working on it.

v1.4.1-alpha3

New Content:

Tank top
Sports bra
Leggings
Sneakers
Over the knee socks
Knee high socks
2 Hairstyles
Leather Collar

Fixes and Improvements:

Clothing overlaps have been fixed, tops and bottoms will no longer clip through each other in a weird way and will automatically adjust if needed.
Color customization has been added for most clothing options. This system has been reworked, I’ve put most of the time to make it work properly. The next patch will add color customization options for all items, including accessories.
Hair preview images have been added.
I’ve fixed some bugs here and there, but there are still a lot of them.

v1.4.0

Room Customization: Baseboards and crown molding can now be customized. You can change the model and apply whatever color you want.

Object placement: Free rotation has been added for placeables. Scaling currently works for wall-mounted objects only.

Live streaming: Simple notifications have been added to make the pop-ups less annoying. I worked on optimization a bit, just cleaning things up. However, major optimization for live streaming is coming in v1.5.0-alpha3. Oral-related tasks are also on the way, along with the ability to stop the sex machine and change positions.

Eyes customization: You can now change the eye color or choose contact lenses (there are two options, mostly for testing). Characters have their natural eye color, so it will always switch back to it if you don’t use any customization options.

Nails: Fingernails now have the option to choose the length: short, medium, or long. This makes it much cleaner instead of having a ton of options for the same style of nails. Advanced color customization for nails, including gradients and patterns, will be available soon.

Eye makeup: It’s now possible to apply eyeliner, eyeshadow, and highlight separately. Instead of choosing from existing options, I thought it would be much better for players to mix and match, as not all makeup options worked for different eye shapes.

Clothes color customization: Patterns for clothes have been added. You can choose a pattern, apply any color you want, or use existing styles. This option doesn’t work for every appearance item yet, just for socks. It requires a little more time to properly implement it.

Color Selection Widget: You can now save colors and use them whenever you want.

Placeables customization: There are wall art items with lights, and it’s possible to change the colors. Overall decor optimization has been improved.

Additional:

Lighting and reflections have been improved a bit. Even though these are not the final adjustments.
Two positions for the sex machine have been added: one for anal, and one for oral.
Stockings have been added, and I’m currently working on customization options. There will be patterns and garter belts.
A couple of placeables have been added (a creepy teddy bear and a weird shark), mostly to get the object placement working. There’s a lot more coming.
A few wall art items have also been added.
Pretty much every item now has a preview image (hairstyles and head accessories don’t)
A medium-sized room has been added. There are some bugs when switching primary studios, if you encounter this, close the Real Estate menu and enter again.
Instead of adding descriptions of the stats in the Help tab, I added an ‘info’ icon to the stat box that can be hovered over. Most of the important stats have descriptions now.
I did a lot of cleanup, the project is still a mess from a ton of quick prototyping, but it’s much better now.

v1.3.0

N/A

v1.2.1

What’s new:

Outfit:

Bottom: 2 new item
Hands: 1 new item
Panties: 2 new items
Footwear: 1 new item

Accessories:

Neck: 3 items from Master mode

Makeup:

Eye Makeup: 4 options

Hair:

Scalp hair: 1 new option

Hands, panties, and neck accessories are now available and work properly, more or less. There might be some bugs where an item is available to equip even though it’s not compatible with other outfit items. This will all be fixed in upcoming updates.

Bug fixes:

The bug that was causing tasks not to complete when starting the stream with an active masturbation action has been fixed.
When changing a hairstyle, the color wasn’t applying. Fixed.
Automatic character rotation when entering/reentering the Appearance tab has been fixed.
Total earned tokens have been fixed. It was displaying huge numbers due to wrong calculations.
A lot of minor bugs have been fixed, and some optimizations have been made.

Additional:

These are things I wanted to add to the previous update (v1.2.0-alpha3) but wasn’t able to due to time constraints. That’s why this patch is pretty small, but it’s not insignificant. Starting from v1.4.0-alpha3, I’ll be adding new content, mostly outfits and accessories, weekly. Right now, my goal is to release v1.3.0-alpha3 on time. It’s an important update. I’ll drop it either Friday (May 23) or Sunday (May 25), depending on how time-consuming the iteration is.

As always, if you find any bugs, have suggestions, or just want to critique the game, leave a comment or hit me up on X. I’ll get back to you as soon as I can! Thank you so much for your support and patience, and have a good night/day!

v1.1.0-alpha2 – Initial F95 Release

Hello friends!

New features:

Businesses. You can now open a business to earn income. Escort Agency is replacing an old pimping income source, which was mostly there to test things out. More businesses are coming soon. Escort Agency is not finished, there will be improvements and additional features.
Jobs for your sissies. If you have an active business, you can hire your sissies to work for you. Since it’s not possible to just pimp them out now, you can offer them a job. It’s best to hire them after they’ve accepted the “You belong to your master” idea, as it guarantees that they will accept your offer.
Collars. Each collar has its own stats. Collars can help boost your sissies’ sissification process. Use it in combination with a chastity cage and a butt plug.
Dungeon style. You can now choose a style for your dungeon, it is purely cosmetic for now. However, there will be exclusive features for each style in the future. Creating and managing multiple dungeons will be a thing in the future. I’m working on it right now.

Some improvements:

If your sissy is in critical condition due to low health, you’ll receive a notification about it while simulating days, so you can stop the simulation and address the issue.
The health system has been improved. Your sissies won’t die as frequently as they did before. This is still experimental, and I’m hoping to finalize the health system in the next update.
Vitamin Pills have been added to consumables. Add them to your sissy’s consumables to improve their health. It won’t save them from dying, but it can help to increase their lifespan.
It’s now possible to change the style of an inserted butt plug, as it wasn’t working properly before.
Loans are now functioning as they should from the beginning. You can get any amount (if your chance is high enough), and repay it in 60 days.
“You belong to your master” idea now gives you the ability to control your sissy’s appearance, toys, schedule. Even after you release them from the dungeon.

Known issues:

Mind Wrecker skill is not working as it should. Don’t worry, I’m finalizing the skills system. It will work properly in the next update.
When a sissy is in a looking-down pose, it’s tricky to see their face if you want to apply makeup, for example. There will be an automatic pose adjustment for this scenario. It should be good to go for the next update.
Sissygasms are not being handled properly due to skills, it will function once I’m done with the skills system. There will be some new improvements to orgasms and sissygasms as well.
Sex results are not displaying properly. Ignore this for now, it will be finalized with the skills.

Tips on Escort Agency:

Get a loan for $25K.
Open the business.
Hire workers from the Hire Escorts menu.
You’ll start making money and should be able to repay your loan pretty easily.
If you have enough money, buy advertisements for your agency. Ads boost your daily clients.

Some new content:

I know I promised some masks, too, but the system that handles them is not ready yet. Masks and the bondage system will be part of v1.2.0-alpha2, which should be released in mid-January. I apologize for that.

A lot of changes have been made in this update, and there’s one bug that can screw up your existing contacts. If you encounter a scenario where your contacts disappear, it’s best to start a new game, as this can only happen with your existing contacts. I think I fixed what was causing it. I did a lot of testing and haven’t encountered it so far, but be aware.

If you encounter any bugs, feel free to let me know. I’ll fix them ASAP.

Thank you so much for your support! Happy Holidays, everybody, and stay safe!

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