- Eropsychosis × Sex Formula Steam Bundle Now Available - 29 September 2026
The Steam bundle for Eropsychosis: The Project Elysiara and Sex Formula is now live. If both games are on your wishlist, you now have another way to pick them up.Eropsychosis: The Project ElysiaraBuilt in Unreal Engine 5. You play David, an engineer who has lost his memory. He wakes up on a starship with only one companion: Lucy, an android who has gone haywire.Lucy controls the ship's oxygen, gravity and cabin temperature. You have to deal with her while exploring each section of the ship and recovering the scattered Peak Intimacy Records.Sex FormulaYou meet Reika and move in together. But even after you've become intimate, she won't agree to officially date you until you've truly satisfied her.Reika has her own menstrual cycle, and her sex drive changes with how she feels each day. The game supports VR, and you can also play directly on PC without a VR headset.The bundle is now availa…
- Sex Formula v2.1.1 - 27 September 2026
Hello everyone,Sex Formula v2.1.1 is now available!The following changes have been made:\● Added - Save Data Path Validator \● Added - Error Code Notifications \ - The system blocked the creation of a file. (Please disable your firewall or antivirus software.)\ - The save data path is invalid, and files cannot be created at the specified location. (Please verify the integrity of the game files.)\ - The settings file is corrupted. Default settings will be created automatically. (Simply press OK to continue.)● Added - Automatic Recreation of Settings File When Corrupted \If you encounter any other issues, please let me know. I will do my best to fix them as soon as possible.Thank you for your support!
- Sex Formula v2.1.0 - 22 September 2026
Hello everyone, Sex Formula v2.1.0 is now available!The following changes have been made:\ ● Added - Cloud Save\ ● Added - 1 nipple style ● Added - 1 nail style\ ● Added - Character Movement Options *\ - Aim the right-hand controller at the floor and move the joystick to teleport to the selected location *\ - Move the joystick on the right-hand controller to move the character (Players who are prone to 3D motion sickness should use this with caution.)\ ● Added - 12 animations (Bathroom, missionary position)
- Sex Formula v2.0.0 - 25 June 2026
Hello everyone,Sex Formula v2.0.0 has now been released.\● Added - Repeat Dance Button● Added - Automatic Hicky Display● Added - Automatic Semen Effect Display● Added - Automatic Cleanup After Oral Sex Settings 1. Always 2. Random 3. Never● Added - Separate Semen Effects for Face and Mouth (For example, semen can be inside the mouth while also visible on the face.)● Fixed - Floating fluid appearing in front of the male protagonist's penis during story scenes\● Added groin-pulled-aside variants for certain outfits● Fixed - Glasses were not saved correctly when saving outfit presets\● Fixed - Floor movement destination indicator display\● Added - 8 New Animations (Kitchen Standing Position)
- Sex Formula v1.9.0 - 23 March 2026
Hello everyone, Sex Formula v1.9.0 has been updated.The following fixes have been made:\● Fixed an issue where the achievement for the memory (recollection) feature could not be unlocked.\●New animation x 10 (Kitchen DoggyStyle)
- Sex Formula v1.8.0 - 24 December 2025
Hello everyone, Sex Formula v1.8.0 has been updated.The following fixes have been made:\●New animation x 6 (Kitchen OnTop)●New main screen animation x 1\●New facial appearances x 2
- Sex Formula v1.7.0 - 29 September 2025
Hello everyone, Sex Formula v1.7.0 has been updated The revised contents are as follows \ ●New animation x 12 (Kitchen Missionary)\ ●New clothing x 1
- Sex Formula v1.6.0 - 29 June 2025
Hello everyone, Sex Formula v1.5.0 has been updatedThe revised contents are as follows\●Added liquid effect display switch\ ●New animation x 8 (Bedroom Standing Position)
- Sex Formula v1.5.1 - 1 April 2025
Hello everyone, Sex Formula v1.5.1 has been updated The revised contents are as follows ●Corrected the determination method of some achievements
- Sex Formula v1.5.0 - 28 March 2025
Hello everyone, Sex Formula v1.5.0 has been updated The revised contents are as follows ●New animation x 10 (Bedroom DoggyStyle Position) ●New opening animation x 1 ●New Hairstyle x 1
- Sex Formula v1.4.0 - 27 January 2025
Hello everyone, Sex Formula v1.4.0 has been updated The revised contents are as follows ●Tab Key will no longer hide subtitles ●New animation x 6 (Bedroom Ontop Position) ●New clothing x 1 ●New Hair Material (B) ●Added color settings for hair material (B) ●When you leave the game, the current clothing settings will be recorded
- Sex Formula v1.3.1 - 7 December 2024
Hello everyone, Sex Formula v1.3.1 has been updated. The revised content is as follows ●Fixed the problem of no voice volume ●Optimize the sound function and determine the timing between kissing, moaning, and DirtyTalk
- Sex Formula v1.3.0 - 21 November 2024
Hello everyone, Sex Formula v1.3.0 has been updated now The revised content is as follows ●Remove function ●Add settings function ●New animation x 12 (Missionary in Bedroom) ●New clothing x 1 ●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 Animations and costumes will be added in the future, thank you for your support.
- Sex Formula v1.2.0 - 6 October 2024
Hello everyone, Sex Formula v1.2.0 has been updated now The revised content is as follows ●Newly added foreplay and sex button number markers ●Display correction in some languages ●New start screen x 2 ●Some animation corrections ●Newly added high heels x 1 ●New clothing x 1 ●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: ●Newly added mobile camera can be changed to right click ●Added hotkey to switch cameras ●Newly added hotkeys to switch camera focus ●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: Next, we will start to create new animations and add some new functions.
- Sex Formula v1.1.2 - 21 September 2024
●Mouse sensitivity default correction ●After the settlement animation, you cannot have sex normally.
- Sex Formula v1.1.1 - 21 September 2024
Sex Formula v1.1.1, the fix list is as follows ●Added game settings tab. ●Added mouse sensitivity setting. ●Resolution-related changes to the drop-down menu. ●Added button. ●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 Corrected the 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.
- Sex Formula v1.1.0 - 12 September 2024
Hello everyone, Sex Formula v1.1.0 has been updated now The revised content is as follows ●Some translation corrections ●Condom button switch identification ●Added automatic cleaning settings ●4K resolution is changed to Ultra, and to 2K (2560x1440), 4K (3840x2160), 8K (7680x4320) resolution ●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-Game settings add POV camera effect switch (replaces the original correction lens function) ●VR-A and X keys are grab buttons ●VR-Y key can call game settings ●VR-B key can quickly switch ●VR-During sex, press the left selection button to drag the lens ●VR-A perspective window will appear during settlement Next, we will start the interactive function of the Desk…
- Sex Formula v1.0.1 - 7 September 2024
Hello everyone, Sex Formula v1.0.1 has been updated now The revised content is as follows ●The upper body of the policewoman costume will disappear when settling the account ●Some text translation issues ●New page for game settings ● - Added , ●Change the time spent to spend the day ●Added higher resolution 4K 3840 x 2160 ●New automatic orgasm and ejaculation options in game settings ●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. Next, we will start to correct the relevant functions of the VR version.
- Some currency price adjustments - 6 September 2024
Hello fellow players, currently some currency prices of have been updated. Before the launch, players were informed that the price was 1.33 times that of . However, the author did not carefully calculate the price after automatically calculating it. Checking the difference of each currency has resulted in the difference of some currencies being higher than 1.33 times. Currently, the currency with excessive difference has been adjusted to 1.33 times. Players who have already purchased please confirm that there is no change in the purchase price. If there is any change, please refund first. , to avoid losses, thank you for your understanding (I will pay attention to it later...).
