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Game runs on majority of devices that have 4+ Gb of Ram. We test each release on 4-6 devices with our beta testers and it runs well with no crashes or issues. We are not able to test on more currently and the issues you mentioned affect few % of devices only.

We are aware that there are some phone android system specifications that grant game only 2Gb of ram despite on paper they have more, and this caused random crashes per our investigations. Also we checked and at all time the game dynamically loads and unloads assets so no memory leak was found.

 We also heavily compress textures so .apk is not 4-16x bigger and we know some phones are bad at pipeline compression and it can cause bigger ram consument on the system level. Game is huge with 100+ hours of gameplay content, hundreds of sex animations in 4K+ and generated at runtime with interactive elements - (no videos) so the specs of phone seems to be the limiting factor that could cause this as far as we know. 

Yea, the game have 50+ characters and over time we made voting which character receive a sex scene and ever since added 150 sex scenes like that, Dew was not the character who ever won in the vote polls. The good news is that we have real plans for her and also many other side characters to ensure each receive at least one sex scene and a portion of the story. Dew will receive more as we rework gaining strength through sex training with her as MC sex trainer so there could be a sex scene for each skill 3-10 within a year or so.

If you would read our posts we explained why  0.44 November update post
In short to make the good quality of new content. It will take as long as it is needed till it's done. 

Talk to her, she will send you to a forest where you will find old cemetery, talk to her there and collect some things she tell you. After the minigame she will reward you plenty.

Several pregnancies included and more on the way to be added soon.

Usually several weeks.

For our supporters in early access .

Exactly, you gain access to content months before public release, bonus content, behind the scenes information, new posts, even voting power in vote polls to choose future content

Either here or on our https://subscribestar.adult/worldofsisters
Support us with 10$ and you gain super early access to all content and in game bonuses, posts, discord bonus content, vote power to shape game future and more. Plus it also ensure us to be able work on more content development.

Few days ago we have announced that we will release a mid Halloween update this week: 
0.44 Halloween update
The stage of 0.45 Jess main story is about 70% finished, yet it is a big story content update that will take at least several weeks to be finished.

Because Jess update contains hundreds of hand drawn pictures, emotions, poses, special views, and a lot of eye candy, including huge portion of her story and extra sex scenes. So it is really big content update in the works. Actually it is so big we are gonna release a mid Halloween update this week. Hope it will make waiting more bearable.

Just now 0.40 - Katy update became Free RELEASE, enjoy! We also decreased price for Wednesday to 5$

One time.

Usually 4-6 weeks. Rough estimate. We would like to do more smaller updates to decrease the waiting after Jess update. Yet it is not that clear as we are having very few supporters that enable us to work on future content. So we don't know how exactly it is gonna happen.

Sadly we can't influence the payment policy of itch.io but you can subscribe on our SubscribeStar https://subscribestar.adult/worldofsisters

Hope this helps. Have a nice day.

Yes we have spend weeks on a lot of optimizations. 

We are releasing a fix version for all currently known issues - It is called v0.43 (Still as a part of main wendy's story update) But sadly as noone volunteered and we can't test the crashes on devices which we have (it works on them) we can only fingers crossed it was the compression texture method that caused these issues on few % of android smartphones. Plus we did fix a lot of other issues, added new voice talks for beginnings and ends, fixed some minigames, layering, luna alphabet issue, etc.

Please reach us on our Discord, we can try something to make it work together.

What platform and what device are you using?

Follow us on our SubscribeStar, it is free, but major votes are always a benefit for our supporters only.

The best way to answer would be by looking into in-game walkthrough, it shows how far certain storylines are.

We will  release Jess mainstory which will be longest and then we have intentions to add stories to multiple characters and expanding their options, adding at least 1 sex scene for each and open dating options to many, then we will probably let our fans decide which character gonna get more story & scenes.

Thank you for sharing.

We would like to. Game is still in beta development.

We humbly thank you for your kind words. 

Soon Jess update is coming!

New release is up - 0.42 Wendy's story

Our title symbolize story of 3 goddesses, however some could interpret it in a different way and we see no reason to risk our presence on itch.io where many people supported us and if their favorite game would be gone because of woke initiatives it could affect everyone, our community, and even future updates for our game.

Development is extremely time costly as we are drawing everything by hand and our story is a long one for which we need time to finish it in a form that people can like as an interactive experience. There could be more changes applied in the future as we must comply with itch.io rules. Remember that we are doing them to survive another day and be able work on future updates and create stories driven by ideas to life.

Open the game page here or refresh it and scroll down to downloads section. Hope it helps.

We plan to add more sex scenes to side characters. You have to realize game is not finished and still in beta development. We are doing what we can with resources we have. Cameron and Lara doesn't have main storylines yet!

Jess mainstory doesnt exist at all and all currently in the game are side talks only. it is also impossible to guide you with limited information, walkthrough is adequate to show where you roughly are, if you send us your save we can check together. visit our discord and PM me 

New game version is released 0.40 with Katy's visual rework and new sex scenes! CHEERS.

Our beta testers mentioned the version numbering looked too similar and confusing. Also our original idea was to keep versions to roughly be an estimation of how much % of game is currently finished and we are getting close to 50% of our goals and Katy's story deserved some special number. Multiple discussed various reasons basically. 

Take a look at the walkthrough, when you are dating with Natalie the option is shown there as "Let's have sex in the classroom!" where you initially fuck only Natalie but then an extra option appears where Alexa enters the class and you can choose her to join you, turning sex scene into threesome.

You may visit our subscribeStar here:
https://subscribestar.adult/worldofsisters

This is currently fixed bug, from next version 0.33+ the correction is applied.

Progress her main story and after some time she will sit seductively on the couch, and you will have sex there, get caught and then you will have option "I want to have a baby" from which moment she will stop taking contraceiptives and can get pregnant.

In the future there could be added variant to steal the pills and she would be able to get pregnant earlier. (But as you continually realize she could be still with Mathew resulting in having a MC baby while being with Mathew, this is considered NTR and a lot of fans didn't like it so it is only an idea option for the future at the moment.)

Not many game could offer 100hours of gameplay like we do. We also have plans to include more storylines for main characters and also side characters in near future. It is worth to try our game and we will always appreciate any feedback.

Kind of yes but it is not only about access to latest releases, on itch.io you would have access to new versions, that part is true, but the power of vote polls and game updates are happening on our subscribeStar where we have many more benefits - even ingame rewards and bonuses by tier , regular posts with sneak peak to next content, bonus scenes and animations, extra flashbacks and primarily voting polls for next content, major story decisions, or  next pregnancy, etc. It is on the monthly basis there to support continual development (so we won't have to switch only paid mode).

We don't have that big community so we appreciate everyone who consider to support us. We are using the resources to create more content in return.

Soon.

Not yet, it is available as early access for 10$.
We use all of the donations to create more content updates.

0.32 is the latest early release version and 0.30 is public version. New upcoming 0.33 with Katy's content will be released soon.