New Build Coming Soon

I always try to upload a new build of the game on the 1st and 15th day of every month. Unfortunately, a new build and a new video won’t be ready tonight…but they should be ready very soon!

Because I need at least 24 hours to continue preparing the next build, and at least 24 hours to make the next video, I don’t think you should expect the next build+video to arrive in less than 48 hours. Hopefully, you won’t have to wait longer than November 3rd until the next update.

The next video will be about these subjects:

  1. The progress that has been made on Osana
  2. The progress that has been made towards improving the framerate
  3. What I plan to do over the next two weeks

It’ll be similar to my last “Progress Report” video. While Osana is being developed, it’s likely that most of my videos will follow that formula.

By the way, I have a couple of things to mention:

First, the official Yandere Simulator website now has a Wallpapers page! Please give it a visit!

Second, I’ve seen a lot of beautiful Halloween-themed artwork over the past 24 hours, and I’d like to share some of it with you:

MulberryArt drew Osana as a witch! I love the design of her outfit!

Angi drew Sakyu Basu and Ikyu Basu trick-or-treating! Oka’s reaction is quite adorable!

Noaj drew a truly beautiful illustration that is romantic and morbid at the same time!

Hyanna-Natsu drew this absolutely gorgeous art of Yandere-chan in a spooky graveyard!

I’m sorry that a new build and video aren’t available yet – I’ll try to prepare them for you as soon as I can!

Happy Halloween!

Happy Halloween! Just like last year, and the year before that, it’s time for another…

 Yandere Sim Spooktacular!

Last year, I celebrated Halloween by releasing a yandere-themed tribute to Castlevania. This year, I paid tribute to a different game!

You might have more fun if you experience it for yourself instead of watching it on YouTube, so here are the download links:

Official Website:


Remember to read the “README.txt” file!

If there’s any reason you’d rather watch it than play it yourself, here’s the video!

It’s been over a year, but I still have very fond memories of Undertale, and I’ve always wanted to pay tribute to it somehow. Ever since I beat the game, I’ve yearned to create my own Undertale-style boss battle. I really wanted to do something extra-special for Halloween, so I chose to take this opportunity to make an Undertale-style minigame featuring Oka!

In the beginning, I had much bigger plans in mind – I wanted to have Check / Item / Mercy options, just like in Undertale. I wanted to have a “get dunked on” moment when trying to spare Oka halfway through the battle. I wanted the final attack to be much more elaborate and difficult to survive. However, I ran out of time. I didn’t want this Halloween minigame to take up too much of my time, so I imposed a time limit on myself; I gave myself only 7 days to create this minigame. (Even then, I split my time 50% between Osana and the minigame; progress was still being made on Osana the entire time.) Now that this minigame is finished, I’ll go back to focusing on Osana 100%.

Who helped you put this together?

Will “Yanderetale” become a full game?

It has as much chance of becoming a full game as Yanvania does…but it would have to wait until after Yandere Simulator is finished.

When is the next Yandere Simulator update?

I’ll be releasing a new build within the next few days. I can’t promise exactly when it will be available, but I feel almost certain that it’ll be ready in less than a week.


There were some bugs in the Yanderetale minigame. I’ve fixed the bugs and uploaded a new build!


The official Yandere Simulator website now has a Wallpapers page! Please check it out!


I’ve been seeing a lot of memorable Halloween artwork today! Here are some examples:

MulberryArt drew Osana as a witch! I love the design of her outfit!

Angi drew Sakyu Basu and Ikyu Basu trick-or-treating! Oka’s reaction is quite adorable!

Noaj drew a truly beautiful illustration that is romantic and morbid at the same time!

Hyanna-Natsu drew this absolutely gorgeous art of Yandere-chan in a spooky graveyard!

Yandere-chan guest stars in Crush Crush!

Crush Crush is a free game about clicking anime girls to make them love you. I first discovered it about six months ago, and instantly became addicted to it. Four months ago, the developers of Crush Crush contacted me with a proposal – they wanted to add Yandere-chan to the game! Since I was already a fan of Crush Crush, I eagerly agreed – and as of today, she’s in the game!

Here’s how Crush Crush works: you meet a girl, you make her angry, and then you have to apologize and give her gifts until she forgives you. After a while, you become friends, and eventually, you become lovers! You can work a variety of jobs to earn money for all the gifts you’ll be buying, and there is a wide selection of hobbies you can take up in order to develop the traits that the girls are attracted to. (Actually, the general design of Crush Crush influenced the way that the Matchmaking feature works in Yandere Simulator!)

And now, I will show you a picture of Yandere-chan hitting a pigeon with a baseball bat:

As you can see, Crush Crush involves a lot of humor, and Ayano has been given plenty of funny dialogue that is quite appropriate for a yandere girl:

There are a few things that make Yandere-chan different from the other girls in the game; for example, sometimes she will make remarks about the last girl who you clicked on. There are other differences, too…but I want to let you discover them for yourself!

Keep in mind that Yandere-chan isn’t available right from the start of the game; she’s the 7th girl you will encounter, and she is more difficult to seduce than the other girls. (Well, it’s less about seducing her, and it’s more about making her believe that you love her more than all of the other girls you’re romancing…)

I hope that you check out the game and have fun romancing Yandere-chan! Crush Crush is available for free on Steam and Kongregate. (The game is also available on Nutaku, which is a platform that features adult content, so don’t go there if you’re underage!)

What is the status of Yandere Simulator’s development?

Every day, more progress is being made on Osana. I’m planning to release a new build featuring some improvements and bug fixes sometime in early November (hopefully November 1st).

I am also working on a very special surprise for Halloween. I hope that you’re going to enjoy it!

October Progress Report: Osana Progress, Framerate Improvement, and Pose Mode

Here’s my progress report for the past two weeks:

I originally planned to make a very different type of video; the original plan was to list every single aspect of Yandere Simulator that is having a negative impact on the framerate (updating the GUI, performing path-finding calculations, performing physics simulations, etc), describe the solution to each problem, and explain whether or not I am currently able to implement the necessary solutions. However, I decided that this would probably result in a very boring video, so I decided to simplify my explanations as much as possible and make a video that could be understood and enjoyed by as wide of an audience as possible.

Most of my time over the past 2 weeks was spent in two ways:

  1. Writing Osana’s story, designing her events, and writing all of the dialogue necessary for her story/events.
  2. Investigating what is affecting the game’s framerate, researching possible solutions, and attempting to do everything I could to improve the framerate.

All of Osana’s lines are written (and recorded, thanks to very dedicated voice actors!), so that was a success, but I’m extremely unsatisfied with how much progress I was able to make with the game’s framerate. I really wished to improve it even further, but researching it and trying to fix it has already eaten up a ridiculous amount of time, and I am very eager to move on to other things, so I will probably postpone the task of improving the framerate.

On that note, I’ve added a Settings Menu to the game that allows the player to adjust the game’s graphics in the following ways:

  • Change amount of particles spawned / disable particles
  • Disable outlines around characters
  • Lower or disable anti-aliasing
  • Disable post-aliasing
  • Disable bloom
  • Enable low-detail students
  • Change camera draw distance
  • Enable fog
  • Disable shadows

Hopefully, giving the player these options will allow some people to improve their framerates.

I’ve also added something called “Pose Mode”, which allows the player to do the following:

  • Move, rotate, or resize any bone in a student’s body
  • Teleport a student to Yandere-chan’s position
  • Customize a student’s appearance (to a certain degree)
  • Make a student perform any animation.

Between writing hundreds of lines of dialogue, researching how to improve the framerate, adding the Settings Menu, and adding Pose mode, I somehow found enough time to take care of the following issues:

  • Fixed bug that would cause Riku to confess to Kokona’s corpse under the cherry tree if Kokona was killed after leaving a note in Riku’s locker.
  • Fixed bug that would cause students to snap out of their “Meeting” protocol if they heard a giggle while waiting to meet someone.
  • Attempted to fix bug that would cuase Riku Soma to fall through the ground sometimes after studying with Yandere-chan.
  • Fixed bug that would allow delinquents to knock out Yandere-chan while she was dumping a corpse.
  • Fixed bug that would cause Kokona to blush at people she’s attracted to…while she was dead.
  • Updated the texture that appears on a student’s face when they are blushing.
  • Replaced the copyrighted bike ride music with original music.
  • Fixed inaccurate student portraits.

What’s Next?

Halloween only comes once a year, and I don’t want to let it pass by without doing something special, so I’m going to try to whip something up. I already have an idea in mind! However, anything related to Osana will be my top priority. When I don’t have any Osana-related tasks to work on, and when I’m done with my Halloween plans, I’ll continue working on the things that the community voted for in the last poll.

Thank you for following the development of Yandere Simulator!

Update still coming soon, but slightly less soon than expected

I’m sorry! It’s taking me much longer than usual to produce the video that I am currently working on. I’m going to do my best to have it ready tonight (within the next 6 hours), but if I’m not able to accomplish that, then I’ll simply have to finish it and upload it tomorrow (within the next 27 hours).

As I said yesterday, for every day that this update is delayed, I’ll share some never-before-seen production artwork with you. Today, I’m going to share the rival artwork that was drawn by MadiBlitz!

Click this image to see a gallery of the illustrations that Madi drew for me:

Madi was one of the best artists I’ve ever had the pleasure of working with. Just like with Joakim, one day I simply stopped hearing from them. It’s understandable; people get busy with school, with work, with family, with other projects, etc. I hope that we’re able to continue working together one day in the future, either on this project or on another one!

Update coming soon!

I’ve spent the past two weeks focusing on three different tasks: making progress towards adding Osana to the game, attempting to improve the game’s framerate, and adding a new mode to the game. I am presently making a video about everything I accomplished over the past two weeks. This video is going to be pretty long; it might wind up being about 15 minutes in length. I’d love to have it ready within 27 hours of this blog post, but it might take longer than that. Hopefully, it won’t take very long!

For every day that the next build is delayed, I’ll try to share something cool with you guys. Here’s what I have for you today: It’s a batch of rival artwork that was created by an artist named Joakim Waller. He’s same artist who drew the very first promotional illustrations for Yandere Simulator!

Click this image to view a gallery of the rival illustrations he drew for me:

The last time I spoke with Joakim, I was asking for a few revisions to the artwork – stockings for Osana, a different color scheme for Amai, different hair color for Megami – but, sadly, one day I just stopped hearing responses from him. The rival illustrations were very, very important to me, and I didn’t feel comfortable using the artwork while it still needed those revisions, so I began speaking to other artists instead, and eventually settled on this talented gentleman.

If the next video still isn’t ready within 23 hours, I’ll reveal more “never before seen production artwork” again tomorrow.

Thank you for following the development of Yandere Simulator!

What’s Next for Yandere Simulator?

So, what’s next for Yandere Simulator? I have a lot to say about that subject! Enough to fill a 9-minute video! Check it out:

I have already done some planning regarding Osana (I know what kind of interactions I want her to have with Senpai, and I know how I want the player to be able to sabotage those interactions) but there is still much more planning to be done (her side-story, her suitor, how to become her friend, etc). My next step is to plan out Osana, write up all of her lines, ask Osana’s voice actress and Senpai’s voice actor to record all necessary lines, and send the lines to an animator so he can animate the two characters in sync with their voiced lines.

While I’m waiting for the voice actors / animator to become available / provide the materials I need, I’ll spend my time attempting to improve Yandere Simulator in as many ways as possible.

I’m curious! What do you think I should prioritize first?

As always, thank you for following the development of Yandere Simulator!