Click to zoom
1 / 10
Completed
v1.9.0
Sex Formula
Game Information
Developer
MIGI STUDIOVersion
v1.9.0
Engine
Unity
Release Date
Mar 23, 2026
Last Update
Mar 27, 2026
Censorship
Uncensored
Overview
Sex Formula immerses you in a captivating journey of seduction and relationships, where your charm and sexual prowess dictate your success.
Gameplay & Mechanics
In Sex Formula, you'll navigate through animated 3D environments as a male protagonist, interacting with Reika and other characters. Your goal? Satisfy Reika sexually to win her heart and begin a life together. Engage in various intimate acts like vaginal sex, oral sex, anal sex, titfuck, handjob, footjob, and more, each offering unique animations and internal views.
Key Features
- Character Creation & Relationship Building: Customize your character's appearance and build a deep relationship with Reika through meaningful interactions.
- Variety of Sexual Acts: Experience a wide range of animated sexual encounters with realistic physics and internal camera views.
- Interactive Environment: Explore a rich 3D environment filled with interactive objects and mini-games to enhance your overall experience.
Installation
1. Extract and run.
Changelog
### 1.9.0
- v1.9.0
- ● Fixed an issue where the achievement for the memory (recollection) feature could not be unlocked.
- ●New animation x 10 (Kitchen DoggyStyle)
### 1.8.0
- v1.8.0
- [Animation]
- ●New animation x 6 (Kitchen OnTop)
- ●New main screen animation x 1
- [Function]
- ●New facial appearances x 2
### 1.7.0
- v1.7.0
- ●New animation x 12 (Kitchen Missionary)
- ●New clothing x 1
### 1.6.0
- v1.6.0
- ●Added liquid effect display switch
- ●New animation x 8 (Bedroom Standing Position)
### 1.5.0
- v1.5.0
- ●New animation x 10 (Bedroom DoggyStyle Position)
- ●New opening animation x 1
- ●New Hairstyle x 1
### 1.4
- v1.4
- Hello everyone, Sex Formula v1.4.0 has been updated
- The revised contents are as follows
- [interface]
- ●Tab Key will no longer hide subtitles
- [Animation]
- ●New animation x 6 (Bedroom Ontop Position)
- [clothing]
- ●New clothing x 1
- [Function]
- ●New Hair Material (B)
- ●Added color settings for hair material (B)
- ●When you leave the game, the current clothing settings will be recorded
### 1.3
- v1.3
- [interface]
- ●Remove [Auto Position] function
- ●Add [Frame Rate] settings function
- [animation]
- ●New animation x 12 (Missionary in Bedroom)
- [clothing]
- ●New clothing x 1
- [Function]
- ●Repair clothing judgment
- ●Fixed the DirtyTalk voice volume function
- ●Fix the voice volume function
- ●Fixed the problem of being unable to talk after pregnancy
- ●Fixed the problem that the recall function cannot trigger achievements
### 1.2
- v1.2
- [interface]
- ●Newly added foreplay and sex button number markers
- ●Display correction in some languages
- [animation]
- ●New start screen x 2
- ●Some animation corrections
- [clothing]
- ●Newly added high heels x 1
- ●New clothing x 1
- [Function]
- ●Newly added camera close to Reika’s lips for kissing
- ●Newly added camera is close to Reika’s breasts and can be sucked and touched
- Note 1: Reika must show her breasts
- Note 2: [If the left and right breasts are touched at the same time, the first touch is: sucking, the last touch is: touching]
- ●Newly added mobile camera can be changed to right click
- ●Added hotkey [F] to switch cameras
- ●Newly added hotkeys [1,2,3,4] to switch camera focus
- [VR function]
- ●VR has added the ability to kiss Reika by putting the helmet close to her lips
- ●VR newly added: Put the helmet close to Reika’s chest and you can suck and caress it
- Note 1: Reika must show her breasts
- Note 2: [If the left and right breasts are touched at the same time, the first touch is: sucking, the last touch is: touching]
### 1.1.2
- v1.1.2
- [BUG]
- ●Mouse sensitivity default correction
- ●After the settlement animation, you cannot have sex normally.
### 1.1.1
- v1.1.1
- [interface]
- ●Added game settings [Screen][Control] tab.
- ●Added mouse sensitivity setting.
- ●Resolution-related changes to the drop-down menu.
- [Function]
- ●Added [Next Week] button.
- [BUG]
- ●Some animation and lighting corrections.
- ●Corrected the transparency judgment of stockings.
- ●Correction of dialogue window judgment has been corrected.
- ●Correction of achievement triggering function.
- ●Correct the initial position of each room.
- ●Delete the black cutscene before the scoring animation.
- [VR BUG]
- ●VR Corrected the [Dirty talk] playback frequency function of the game settings.
- ●VR If sex ends with sexual intercourse, switching POV will cause the Xray window to go out
- ●After two consecutive sex sessions in VR, the cutscene effect did not appear.
### 1.1.0
- v1.1.0
- [interface]
- ●Some translation corrections
- ●Condom button switch identification
- [Function]
- ●Added automatic cleaning settings
- ●4K resolution is changed to Ultra, and to 2K (2560x1440), 4K (3840x2160), 8K (7680x4320) resolution
- [BUG]
- ●Stockings will disappear under water
- ●After triggering the promotion relationship, the window perspective function becomes invalid.
- ●Automatically put on condoms without closing the see-through window
- ●Correction of some FPS lens angles
- [VR-interface]
- ●VR-Game settings add POV camera effect switch (replaces the original correction lens function)
- [VR-Function]
- ●VR-A and X keys are grab buttons
- ●VR-Y key can call game settings
- ●VR-B key can quickly switch [first person] [default]
- ●VR-During sex, press the left selection button to drag the lens
- [VR-BUG]
- ●VR-A perspective window will appear during settlement
### 1.0.1
- v1.0.1
- [clothing]
- ●The upper body of the policewoman costume will disappear when settling the account
- [interface]
- ●Some text translation issues
- ●New [System] page for game settings
- ●[Game Settings] - [System] Added [Return to Home Page], [Exit Game]
- [Function]
- ●Change the time spent to spend the day
- ●Added higher resolution 4K 3840 x 2160
- ●New automatic orgasm and ejaculation options in game settings
- [BUG]
- ●After Reika gives birth, approaching Reika cannot trigger dialogue.
- ●Memories can also trigger achievements
- ●When clicking on ejaculation or orgasm in a non-penetration state, it does not detect whether the see-through window is open.
### 1.0.0
- v1.0.0
- Initial Release
- v1.9.0
- ● Fixed an issue where the achievement for the memory (recollection) feature could not be unlocked.
- ●New animation x 10 (Kitchen DoggyStyle)
### 1.8.0
- v1.8.0
- [Animation]
- ●New animation x 6 (Kitchen OnTop)
- ●New main screen animation x 1
- [Function]
- ●New facial appearances x 2
### 1.7.0
- v1.7.0
- ●New animation x 12 (Kitchen Missionary)
- ●New clothing x 1
### 1.6.0
- v1.6.0
- ●Added liquid effect display switch
- ●New animation x 8 (Bedroom Standing Position)
### 1.5.0
- v1.5.0
- ●New animation x 10 (Bedroom DoggyStyle Position)
- ●New opening animation x 1
- ●New Hairstyle x 1
### 1.4
- v1.4
- Hello everyone, Sex Formula v1.4.0 has been updated
- The revised contents are as follows
- [interface]
- ●Tab Key will no longer hide subtitles
- [Animation]
- ●New animation x 6 (Bedroom Ontop Position)
- [clothing]
- ●New clothing x 1
- [Function]
- ●New Hair Material (B)
- ●Added color settings for hair material (B)
- ●When you leave the game, the current clothing settings will be recorded
### 1.3
- v1.3
- [interface]
- ●Remove [Auto Position] function
- ●Add [Frame Rate] settings function
- [animation]
- ●New animation x 12 (Missionary in Bedroom)
- [clothing]
- ●New clothing x 1
- [Function]
- ●Repair clothing judgment
- ●Fixed the DirtyTalk voice volume function
- ●Fix the voice volume function
- ●Fixed the problem of being unable to talk after pregnancy
- ●Fixed the problem that the recall function cannot trigger achievements
### 1.2
- v1.2
- [interface]
- ●Newly added foreplay and sex button number markers
- ●Display correction in some languages
- [animation]
- ●New start screen x 2
- ●Some animation corrections
- [clothing]
- ●Newly added high heels x 1
- ●New clothing x 1
- [Function]
- ●Newly added camera close to Reika’s lips for kissing
- ●Newly added camera is close to Reika’s breasts and can be sucked and touched
- Note 1: Reika must show her breasts
- Note 2: [If the left and right breasts are touched at the same time, the first touch is: sucking, the last touch is: touching]
- ●Newly added mobile camera can be changed to right click
- ●Added hotkey [F] to switch cameras
- ●Newly added hotkeys [1,2,3,4] to switch camera focus
- [VR function]
- ●VR has added the ability to kiss Reika by putting the helmet close to her lips
- ●VR newly added: Put the helmet close to Reika’s chest and you can suck and caress it
- Note 1: Reika must show her breasts
- Note 2: [If the left and right breasts are touched at the same time, the first touch is: sucking, the last touch is: touching]
### 1.1.2
- v1.1.2
- [BUG]
- ●Mouse sensitivity default correction
- ●After the settlement animation, you cannot have sex normally.
### 1.1.1
- v1.1.1
- [interface]
- ●Added game settings [Screen][Control] tab.
- ●Added mouse sensitivity setting.
- ●Resolution-related changes to the drop-down menu.
- [Function]
- ●Added [Next Week] button.
- [BUG]
- ●Some animation and lighting corrections.
- ●Corrected the transparency judgment of stockings.
- ●Correction of dialogue window judgment has been corrected.
- ●Correction of achievement triggering function.
- ●Correct the initial position of each room.
- ●Delete the black cutscene before the scoring animation.
- [VR BUG]
- ●VR Corrected the [Dirty talk] playback frequency function of the game settings.
- ●VR If sex ends with sexual intercourse, switching POV will cause the Xray window to go out
- ●After two consecutive sex sessions in VR, the cutscene effect did not appear.
### 1.1.0
- v1.1.0
- [interface]
- ●Some translation corrections
- ●Condom button switch identification
- [Function]
- ●Added automatic cleaning settings
- ●4K resolution is changed to Ultra, and to 2K (2560x1440), 4K (3840x2160), 8K (7680x4320) resolution
- [BUG]
- ●Stockings will disappear under water
- ●After triggering the promotion relationship, the window perspective function becomes invalid.
- ●Automatically put on condoms without closing the see-through window
- ●Correction of some FPS lens angles
- [VR-interface]
- ●VR-Game settings add POV camera effect switch (replaces the original correction lens function)
- [VR-Function]
- ●VR-A and X keys are grab buttons
- ●VR-Y key can call game settings
- ●VR-B key can quickly switch [first person] [default]
- ●VR-During sex, press the left selection button to drag the lens
- [VR-BUG]
- ●VR-A perspective window will appear during settlement
### 1.0.1
- v1.0.1
- [clothing]
- ●The upper body of the policewoman costume will disappear when settling the account
- [interface]
- ●Some text translation issues
- ●New [System] page for game settings
- ●[Game Settings] - [System] Added [Return to Home Page], [Exit Game]
- [Function]
- ●Change the time spent to spend the day
- ●Added higher resolution 4K 3840 x 2160
- ●New automatic orgasm and ejaculation options in game settings
- [BUG]
- ●After Reika gives birth, approaching Reika cannot trigger dialogue.
- ●Memories can also trigger achievements
- ●When clicking on ejaculation or orgasm in a non-penetration state, it does not detect whether the see-through window is open.
### 1.0.0
- v1.0.0
- Initial Release