A downloadable visual novel for Windows and macOS

bookSLEEPer is the story of an undeclared college student who isn't doing so well in school. With finals coming up, she decides to spend her reading week studying. When she accidentally falls asleep on a textbook, she discovers that she can enter the world of a book when she sleeps on it.

Will our protagonist forge friendships, or even romances, as she explores these books? Will she pass her exams, or will she drop out of college and become a cat lady? The choice is yours!

bookSLEEPer is a non-commercial otome game with stat-raising elements. There are a total of four routes (English, Microbiology, Photography, and Philosophy) to choose from, each created by a different writer and illustrated in a different style. With at least 9 unique endings and a variety of flavor texts depending on your choices, we hope that bookSLEEPer will be a game with high replay value.

The game is currently in version NaNo.1.1., which contains the following content (with some missing assets, more or less depending on the route.):

  • 100% of Microbiology Route
  • ~90% of Photography Route
  • ~70% of Philosophy Route
  • ~20% of English Route

We will be updating the files here as we finish the game. Thank you for your patience, and we hope you enjoy! Please feel free to give us any feedback you may have.


  • Alcor etc
    • Producer, Writer (Common Route), Artist, GUI Designer
    • Founder of Studio Dipper, and part of the team working on Lads in Distress. Likes video games, white-haired bishounen, and potatoes. Can usually be found working on too many projects at once.
  • Allegra C. Hughes
    • Assistant Producer, Writer (Photography Route)
  • Zelan
    • Assistant Producer, Writer (English Route)
  • Hazel
    • Writer (Microbiology Route)
  • Choi
    • Artist (Photography Route)
  • yoshibb
    • Artist (English and Microbiology Routes)
  • Miya
    • Writer (Philosophy Route)
  • Kaoru
    • Artist (Philosophy Route)
  • Creative Commons resources (to be updated soon; we haven't compiled the credits list yet, sorry!)

Follow us on tumblr for future updates!


bookSLEEPerNaNo.1.1-1.1-pc.zip (137 MB)
bookSLEEPerNaNo.1.1-1.1-mac.zip (122 MB)


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i had a great time with this game on my stream! There's a few rough edges here and there, (and while i talked about them during the stream, the biggest one was the very repetitive stress message) but that's to be expected from a demo anyway. Great work so far, and such a neat concept too! I'm looking forward to the full version!

this is a really cool game!! the idea is fantastic! i hope is well completed soon!

this is a really cool game!! the idea is fantastic! i hope is well completed soon!

this is a really cool game!! the idea is fantastic! i hope is well completed soon!

this is a really cool game!! the idea is fantastic! i hope is well completed soon!

When do you think the final version would be released?

We're not sure about that, particularly because we are looking to add more features (such as voice acting) to the final game. Sorry about that!

Hi, i just played the game and I find it fantastic ! And moreover very promising, and I can't wait until the final version comes out. And there is my too long for words review !

First, the good and there's so much good ! The main character first is hilarious, you had fun writing her, it's obvious and it's marvelous ! Two, the art is fabulous, gorgeous in the way I couldn't explain, it's beautiful the way Kant describe beauty, and it's very rare these days so preach ! Third the power ! I just love this power because it come out of nowhere, unexplained but you made it logical and even me, the annoying friend who tries to nitpick and runs everything for everyone, I didn't found any big paradoxe ... Except shits a bit incoherent but it's for latter. And fourth, the characters, they are books and famous figures and you manage to make them good otome characters and this is just so ... Just good. Really. Fifth, the cat. Nothing to add, just the cat. And that it for the good.

Now, the bad but not really, it's just things that disturb me personally but you could do nothing about it, it would still be a good game. Even though the way you made the power works and coherent, at some point it make go "wait if this doesn't this, should them be like that" and it happens in the Marie and Louis route because they see this apparition, a said student who is registered nowhere, who come and go and doesn't age and they like ... Chill ? I try to find an explanation for this, like maybe it's because they are aware she's not real and just see her as a coping mechanism for the lost of their children, send by a superior force or their inconscient (was Freud there already ??). The other part that make it go "???" was when in Demian, the MC respond to their advences like she has feelings too and this was like ... Sister ... Your feelings are as obvious as the identity of Jack the Ripper... I mean in the route itself sure but it seems like she doesn't care for them half of the time so it's like ... Yeah ? Maybe add scenes where she thinks about them outside of the books like when she do their things "write fanfic, visit the lab, take photos and think about life", it would be cool to have her think about the ones she hang with when she finish their routes, this would add the fact that she cares as much as they do and make those relationships even. Not only with Demian but all of the others books. Just a little nice touch like this.

But as I said, it's just extra and without them, the quality of the game is still more than average. It's a really good game and good luck to finish all of this. I support all of you and congrats you for creating a such beautiful, funny and heart warming game. You are great!

I wish you the very best and see you when the game is finished!


P.s: sorry if some sentences doesn't make sense, English is not my mother language.

Hello! Your feedback is very valued and we appreciate that you took the time to type it out for us. We will look into your suggestions and see what we can add/change; we were a bit rushed for NaNoRenO and there's definitely room for improvement. It makes us happy to hear that you enjoyed the game, though, so thank you so much for trying bookSLEEPer and giving us your feedback!

This is a really interesting idea! I'd love to stream this on Twitch, especially when the game is fully done. Until then, I'll play through what's available. Congratulations on finishing NaNoRenO!

Thank you so much for giving this game a try! We're very honored that you'd like to stream this. We will work hard to finish the rest of the game! :D