Create an account
[NSFW] This website may contain adult content. If you are easily offended or under 18, please leave the page now. This content is intended for adults only and may contain scenes of sexual content, obscene images or scenes of violence.To disable blur on the site you need to register.

Expanded Incest Mod v1.2.1 no

The Sims 4 / NSFW 1.2.1 By HalfVampireDoughnut Aqxaro no 34 907 16
Was this mod useful?
No votes yet
Upload: 11 Dec 2025, 13:50
Last updated: 20-02-2026, 08:33

This mod adds social features surrounding incest. It doesn't unlock incest. Wicked Whims and Inappropiate Unlock are REQUIRED.

I started making this mod well over a year ago, since I wanted more drama ingame. Then, I got distracted and dropped it, tried multiple times unsuccessfully to pick it back up, etc. Until now, that is. It seems I was a bit late, in that another mod that expands on incest was published since, but since I made this, I might as well post it. This mod has a different focus in some ways, so it should be made better by Forbidden Fruit rather than clash with it. I'm Also uploading a couple other minor mods in this post, including one I deleted.

There are two parts to Expanded Incest: The Core, and the clones add-on.

Content in Core:

  • Things like having an incestuous dynamic with someone having more impact on sims.
  • More reactions surrounding incest in various ways, an opinion system.
  • 60+ social interactions. Most of them are hidden behind traits and other gameplay elements, though!
  • 4 Incest-related attributes. Can be added under under Incest>Actions on the same sim you want to add them to.
  • 6 computer interactions
  • The ability for sims to develop crushes on family members, under Incest>Actions on the sim you want them to develop it on.
  • Children of related sims can get the inbred trait, but the system for getting it is quite wonky. Don't rely on it. Regardless, it doesn't do much as of now. Theres a cheat (TestingCheats + Shift click) to add it just in case.
  • The ability to expose sims' relationships, also a bit wonky. 
  • 2 CAS traits, Manipulative and Obsessive, with effects not exclusive to incest, because why not. (The actual reason why is that they started as incest attributes but it didn't make sense to keep them restricted to it as they were too general)
  • I don't know if there's more. I just want to get this over with. I invite people to find out themselves

Clones Add-On (Requires Get to Work and Realm of Magic)

  • CAS trait, under lifestyle: Dopplebanger. Clone related. The game's geneology tracks them as siblings and you need the Incest attribute to romance them.
  • A few moodlets surrounding clone on clone romance, as well as interactions between clones. (Included in the count)

Additional content warning: Besides what's evident in the title, there are a couple moodlets with passive suicidal ideation in this mod, particularly with the "Repressed" trait. When you expose a sim's relationship, there's also a chance they get notifications of harassment wishing death on sims. The obsessive and manipulative traits include toxic -some bordering on abusive- interactions.

Other two files:

"Vampires React to Periods": Requires Lot 51's Core library. Really small mod. Adds a couple of uncomfortable moodlets to vampires when they are around sims who are on their period. Self-explanatory.

"Bloodthirsty trait":  Requires Lumpinou's Mood Pack. An unserious trait that gives sims cartoonish murderous urges. Has a couple moodlets when killing sims in the Extreme Violence mod, too, but it's not necessary to have it.

I kept adding all these things while wishing to be able to finish already, but then only making it more difficult for myself to do so because apparently I'm like that. The mod might be a bit unstable, but right now I think I'm about hitting my limit right now. So I'll just post it.

Download:

VampireDoughnut_ExpandedIncest_1.2.zip

VampireDoughnut_VampiresReactToPeriods.zip

VampireDoughnut_BloodthirstyTrait.zip

Wicked Whims and Inappropiate Unlock are REQUIRED.

This new version adds:

  • Two new ways for related sims without the incest wicked attribute to gain it: Discovery, and PersuasionDiscovery can be enabled if neither have the incest trait, and conviction if one does, and the other doesn't. As they progress on performing interactions that award points for this feature, more things will become available between them. First, Non-physical romance, then physical romance but not sex, then everything once they earn the highest amount, or through other means.
  •  Family play, available for sims with the incest fetishist trait when asking for a non-related sim to pretend to be a family member, or between related sims by asking to be kinky about it. It adds new interactions.
  • Family attraction preference trait.
  • A few pregnancy related buffs.
  • Some fixes
  • Some more stufff for you to find out

What's New in Version 1.2.1

Important bug fixes: redownload if you installed mod before these dates.

19th of February 2026: Fix for non-related sims getting incest-related buffs and interactions 

Comments
The minimum comment length is 10 characters.
  1. TheBaldGuy
    TheBaldGuy Users
    25 July 2026 14:03

    With the new game version when i marry my sister after i reload the game it vanishes 
    is it because of the new game engine?
    does the inapropiate unlock need to be updated>?

  2. Arminsfg
    Arminsfg Guests
    19 May 2026 16:20

    Does it work with devious desires?

    1. michiko
      michiko Users
      21 May 2026 10:59

      I've tried and it seems to have a weird thing where maybe f once tuned with ww, it's confused with DD or because the mod has the abilty to assign a trait to enable the features for certain sims, this conflicts with the thing that DD already removes; blocks between family relations.

  3. Niki_Friki
    Niki_Friki Guests
    20 December 2025 16:20

    у меня все нормально работает версия 120,даже перевод на русский сделала и все ок.Я так понимаю проблема у других только из за версии. 

    1. Saims
      Saims Guests
      21 December 2025 19:20

      А где перевод взяли? Очень надо, немного неудобно с оригиналом отыгрывать(

      1. Niki_Friki
        Niki_Friki Guests
        25 December 2025 23:38

        Я сама переводила ибо его руссифицировать наврядли кто-то будет(больше 1000 строк в переводе,корявый возможно перевод но хотя бы понятный),Если хотите могу поделиться)мне не жалко

        1. JinLang
          JinLang Guests
          9 January 2026 07:19

          Здравсвуйте, можете поделиться переводом? Буду очень признательна🙏

          1. Niki_Friki
            Niki_Friki Guests
            10 January 2026 20:56

            Конечно,только скажите куда вам его скинуть)можно ник в тг

            1. JinLang
              JinLang Guests
              13 January 2026 09:23

              KakaetoHuiny вот, спасибо большое!

        2. Guest F1vmy
          Guest F1vmy Guests
          1 March 2026 08:57

          Можете мне тоже скинуть? тг KOo04

    2. Kira13
      Kira13 Guests
      17 May 2026 15:57

      Можно мне тоже русификатор, пожалуйста))) если он у вас еще есть (тг @hu_mina)

  4. Biel 196
    Biel 196 Users
    12 December 2025 07:57

    This Mod Bricked my game.And yes,i tried a new save,it was this mod.after i removed it the was fine again.My game Version is 1.118.257.1020


    1. OussamawDZ
      OussamawDZ Users
      12 December 2025 09:57

      you are a legend 

      thank you. you saved my game 

    2. Roki
      Roki Users
      12 December 2025 12:48

      Странно у меня хорошо работает?

    3. Trask31
      Trask31 Guests
      29 December 2025 11:58

      It worked perfectly for two days, and now it's blocking my game loading screen, sending me straight back to the world selection screen. I never would have thought it was this mod causing the problem, thanks Biel196. 
       
       V1.119.109.1020

    4. TinyHorny
      TinyHorny Guests
      17 January 2026 13:42

      https://www.loverslab.com/topic/260549-expanded-incest-mod-update-discovery-per
      suasion-family-play-and-more/page/5/


      Have you the last NoVideoStationMod - Patch Update - December 3, 2025  ? Conflict with old version