A downloadable game


Quantum Suicide is a game of betrayal, deception and romance in the cold depths of space.

This science fiction thriller tells the tale of an intergenerational mission and its diverse crew, fighting against a deadly AI (and each other) for the chance to survive. Strategy, love interests and quantum mechanics await you. Your choices change the fate of everyone in Quantum Suicide, releasing on PC and Mac mid 2017, and the PlayStation Vita in late 2017.







Quantum Suicide is a Japanese-style Visual Novel set in space. You play as a researcher aboard a spaceship on an epic mission to find humanity a new home. The mission is jeopardized by a corrupted A.I system that forces you to play "The Deletion Game", a weekly game where you must battle your crew mates for survival. Prepare to make both friends and enemies of your crew members as you play through a series of puzzles and strategy mini-games. Can you see the Everett's mission through to the end...alive?

An example of the puzzles you can expect (パズルの例):

Quantum Suicide contains 6 courtable options (3 females, 3 males). With their own hopes, desires, personalities, and sexual preferences, you will have to move carefully to earn each character's affections. Each courtable character has at least three posed sprites, each with multiple facial expressions. In addition, all characters are partially voiced by professional Japanese voice actors. Boasting over 30+ hours of gameplay, you must navigate your way through over 30 different endings, including bad, good, and true endings for all courtable options.

  • Play as a Boy or a Girl
  • 女性か男性を選び、星をナビゲート
  • 7 Courtable Options (3 Male, 3 Female)
  • 選べる7人のキャラクター
  • Courtable Options Have Their Own Sexual Preferences
  • 選べる7人のキャラクターは恋愛の好みもそれぞれ
  • Including 6 chapters and over 30 Different Endings
  • 全6章と30種類以上の違うエンディングが登場。
  • Available in English and Japanese, with Voice acting.
  • 音声はもちろん、各操作は英語と日本語の2カ国語に対応。

Games Release: Production On Hold. Thank you for your patience. For more information please check it out HERE.

発売日: 保留

Install instructions

You will need to unzip the file before you can install and play :)


Full Voice Quantum Suicide Demo. 197 MB
日本語の体験版のダウンロード 198 MB
Quantum Suicide Demo. 153 MB
Quantum Suicide Beta Prologue. 273 MB


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Comment before playing: This sorta reminds me of 

This is both one of my favourite and confusing comments. I am in suspense here! Reminds you of...?

Will this come to windows?


When it is released, it will be compatible for Windows :)


this game will be released this year?
I want to play so much


Unfortunately SecretSnow we have had some set backs T.T and production is on hold.

I am hoping that we can pick it up ASAP and get it out! I will keep you posted. Thank you so much for wanting to play! :D

Do you have any plans for this game to have English voices for the characters? And if so, would I be able to audition?

Hi RocktheGolem!

We unfortunately already have an English VA cast - however, I don't plan on this being our only game we make, so please contact us via our website so I can put you and your casting reel on file :D (If that's OK with you of course)

(Edited 1 time)


I've been following this game for a while now, I don't quite remember when I downloaded the demo... But I have to say that what you've done is outstanding! I've never played Danganropa or  Zero Escape series (which I should check out), but I really like the courtable and main character gender options! As a gay female, it can be quite hard to find games that have a good storyline and a few options for the romance interests, along with a preferred gender. I think you're going to get so much more success for adding those two things to the game, and I really do appreciate it! I know you didn't do it for me, obviously, but on behalf of all the people out there who wanted some more representation and a kick ass story, we thank you and can't wait for the release!!

Keep working hard, (and I'll be here until the finish product since I've been waiting for about a year, and I'm stoked you didn't abandon the project) !!! 


Thank you so much for your kind comments!

I am super happy that you enjoy the inclusion of different sexual preferences. I wanted to make it available in the game (as both the player character and the NPC's) but I didn't want it to be what made the game, I wanted it to compliment it :) So thank you for being excited and still waiting! I am sorry its being delayed but I hope you will love it when it comes out <3

Really great stuff so far, loved the demo and beta prologue. The characters were well written, the premise was engaging and the art style is really nice. I agree with other commenters comparisons to the Danganronpa and Zero Escape series', definitely evoked similar vibes. Probably bad for me to admit, but I really liked DAI's character, haha. Very much looking forward to the full release of this one!


Thank you so much!! Dai is one of my favourites to write so I am glad you like her :P

I want to play this game soo bad! I hope you can make it for Windows! Good luck!

It will be compatible with Windows once it is release :)

Waiting for the new  monthly update

Writing it now! Sorry for the delay - I have had glandular fever T.T

I thought I recognized this from KS! can't wait

I've been followed Quantum Suicide since you posted the idea on kickstarter. We need more games like Danganronpa and Zero escape and your game has in my opinion real potential in becoming another great masterpiece game. I've been waiting for more than a year now and I'm really hyped for the full release of the game. 

I'm sure this doesn't mean much to you as you get a lot of fan comments here on your site, but I just wanted you to know that you have a fanbase that support you. Good luck! 


Hi Elias0012!

        Thank you so much for your message and your support but I need you to really understand the gravity of your actions. Please listen well!

You think that your comment doesn't mean much but this is far from the truth. The time that you took to write your comment, and the comment itself means the world to me. Just because I have received support before, does not take away from or belittle the power of yours.  I am currently quite ill and am working my hardest each day to get a little bit more of Quantum Suicide done. Your comment changed my day and my mental state and I can't thank you enough. I was allowing being sick to get on top of me, but with your one comment I am renewed in spirit!

I am the luckiest developer in the world to have the community and support that I do. Please don't ever feel that your words fall short on others, and if they ever do, they don't deserve to have you.

<3 MoltenCherry 

Deleted post

Just wanted to say that this game looks very interesting.  The combination of branching story, multiplicity of player selectable choices, interesting characters, and the parallel worlds looks like an awesome recipe.  Looking forward to this game.  I am a fan of the Danganronpa and Zero Escape series and this game looks to be a good future addition to the genre.

Why thank you TheGrangerParadox <3


Not to be a bother but your release date is July 2017 and it is past that. Will this be updated? 


Not a bother at all! 

Thank you so much for reminding me that this was not updated! As a one person studio things can slip through my hands especially as I am crunching hard to get this out :) Thank you again so much for politely letting me know so I could update it! :D

(Edited 1 time)

the demo really intrigue my curiosity and I just already know who will I eliminate first, hmm... can't wait for the full release x3

(Edited 1 time)

This game looks really nice. I want to know whether the prologue or the demo will give me the closest experience to the full game when it releases.The story and ambiance has really caught my attention,keep up the good work:)

Thanks for trying the prologue/demo! The prologue is the beginning of the game and so the experience is very similar to the rest of the chapters. Hope that helps answer your question :)

Yeah thanks for the clarification.Good game.

Oh my gosh, I finished the prologue and holy heck were the Danganronpa vibes strong. Thanks for making this game, it's really amazing! ;) Good job!

super cool. I really like the idea of this game in general and, from what is playable, it seems really well done. I really look forward to seeing this game come together :) great work.

Finished the demo recently, the suspense from that final shot is killing me! The premise reminds me quite a bit of Danganronpa, which is great as it's my favourite series of all time! Quantum Suicide will give me something to enjoy during the inevitable wait for NDRv3 (and it'll be something I can fully enjoy without spoilers for once). I'll be marking the release date on the calendar, and definitely buying the full version!

Thank you so much for playing the demo Tom! I am so glad that you liked it! Danganronpa is also one of my favourite titles too :)

Just finished the demo. Enjoyed it quite a bit, looking forward to full release!

Thank you so much Xjwghg for giving the demo a try! We really hope you enjoy the full game when it's released <3

I love this. I was really board and had nothing to do so I got on to look for a game to play an I had come across this. Honestly I thought it was going to be a boring game until I had downloaded it. I did for some reason have a little trouble trying to download the game. I Can't wait for the release cause I'm really looking forward to it!

Hi DaLaFined!

Thank you so much for downloading Quantum Suicide and giving it a shot! I am glad that you liked it in the end and it makes us super happy that you are excited for the games final release! :D

I'm sorry you had issues downloading the file ><' I will look into it so thank you for mentioning an issue :)

(Edited 2 times)

Got around to trying the demo(s). Pretty cool! The game reminds me strongly of 9 Hours 9 Persons 9 Doors complete with one guy who dies right off the bat, although there may be more elements in common with Virtue's Last Reward but I don't remember much from that title at this time. The characters look great and the voice actors are amazing. Setting looks fine and the art is gorgeous. I'm left wondering about the player character's family and if they have cybernetic implants aside from the chip the AI mentioned. If I am honest I am not very interested in romance VNs but I'm looking forward to the release all the same. Best of luck!

(Edited 1 time)

Hi SladeJT!

Thank you so much for giving the demo/s a shot! I am glad you like it regardless of the romance elements :P

We are really inspired by the Zero Escape series as well as the Danganronpa series so for you to get that feel means a lot to us! I really hope that the release does not disappoint you! Thanks for your kind words about the art and the voice acting, I will be sure to pass that on! We enjoy that you have been left wondering...that is exactly where we want you :P


Very cool game so far! I can't wait to play the full release - it's nice to see a romance + survival game mix! Of course, I've played other romance games in wich your character can die, but this is the first one that makes is a full part of the game you must play with.

And the art is so gorgeous too!

Still, I wonder who will be an avaible romance option for wich gender...

Hey Konoi!

Thank you so much for your kind words - We are working really hard to bring everyone the best possible game we can!

Many people have asked about the romance options...but it's a tightly kept secret! I hope you find out first hand upon it's release when you follow your heart! I wish you all the best in your romantic endeavours :D

Haha, thank you! Yeah, I may be curious, but it's always better to discover it while playing. I have some speculations of course, but it's hard to tell at that point!

Can I ask who the potential VAs (voice actors) for this one are?

Hey Karikichi :)

The Voice actors are currently as follows:

KIMIKO: Yahiro

SHIZUKA: Otowa Sakuya

BEATRIX: Miru Kurumi

KATASHI: Watari Zemi

NIKOLAS: Babaten


AI: Miru Kurumi

The links take you to their profession pages, however, they are logged to be accessed only by Japan. Hope this helps answer your question!

Ohh.. I see. Thank you very much! :D

Did a full playthrough of the demo. Really enjoyed it and can't wait for more!

Thanks heaps for the play through! I am supppper glad you liked it! :)