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Quantum Suicide cover art

Quantum Suicide

Cotton Candy Cyanide

Released
10 Sep 2020
Platforms
AppleLinux
Last updated
18 Sep 2026, 17:23
Wishlist on SteamAdd it on the Steam store page. Opens in a new tab.
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Visual NovelStory RichMysteryChoices Matter
Latest players
1
Player history
Steam reviews
0
0 reviews
Steam followers
—
Follower history
United States store
$19.99
Regional prices
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Updates & announcements

Developer posts and news about this game.

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  1. Quantum SuicideQuantum Suicide cover art
    28 Oct 2021Developer post

    Halloween Extra! Dai's Trick or Treat!

    Salutation Quantumers and community! It's that spooky time of year - and what better way to celebrate it than with an extra serving of Quantum Suicide! A new round of the Deletion Game has been lovingly crafted and is now available in the Extra's menu (on the second page!) If it

    Read update · Original post

  2. 14 Feb 2021Developer post

    Happy Valentine's Day Quantumers!

    Happy Valentine's Day Quantumers! I hope you all enjoy the romantic holiday - regardless of whether your loved ones be 2D or 3D <3 Just a quick update to share the Valentine's Day art (I hope you like it!) as well as let you all know that I got out of hospital on the weekend a

    Read update · Original post

  3. Quantum SuicideQuantum Suicide cover art
    15 Jan 2021Developer post

    Bug fixes and patches on hold until February :)

    Dearest Quantumers and Community! This is a quick message to let you know that I will be MIA until February due to mandated medical leave! Or, as I like to think of it, a really boring holiday. Long story very short - I don’t have coronavirus, nor am I dying (yet, anyway mwahahah

    Read update · Original post

  4. Quantum SuicideQuantum Suicide cover art
    01 Jan 2021Developer post

    Happy New Years~ Update 01.01.211

    Salutation Quantumers and Happy New Year! A quick thank you for all the Quantumers who have come back to play both the extended endings and the Xmas special - as well as to all our new Quantumers who have joined in the recent Steam Sale - Thank you for playing Quantum Suicide and

    Read update · Original post

  5. Quantum SuicideQuantum Suicide cover art
    25 Dec 2020Developer post

    Christmas Everett Event!

    Salutation Quantumers and Merrrrrry Xmas! To celebrate the festive period (and the current Steam Winter Sale), I have added an additional chapter to the game via the EXTRAS menu. I am proud to present Christmas Everett! A small playable chapter in which you play as Ai preparing f

    Read update · Original post

  6. Quantum SuicideQuantum Suicide cover art
    16 Dec 2020Developer post

    Quantum Suicide extended romantic endings are now live~!

    Salutation Quantumers! I hope everyone is having a wonderful December and are gearing up for the holiday period (well, the best you can given the ongoing pandemic!) I am happy to announce that I have updated the game to contain some extra content! Here is the list of the new incl

    Read update · Original post

  7. Quantum SuicideQuantum Suicide cover art
    13 Nov 2020Developer post

    Small Update! 13.11.001

    Salutation Quantumers! I hope you are all enjoying your November and you're Friday the 13th~ (*attempts to make a ghost noise*) Just a small update! I was going to wait until I had more, however, we have had a crash pop up that has meant I needed to push this sooner than later -

    Read update · Original post

  8. 24 Oct 2020Developer post

    Direct X error occurring on game's launch~

    Dearest Quantumers! Apparently, the last update was too much for some to handle - and so far two people (including myself), have received an error screen for DirectX when starting the game up! This is not happening for everyone! I have also tested on friends computers so at this

    Read update · Original post

  9. Quantum SuicideQuantum Suicide cover art
    23 Oct 2020Developer post

    Quantum Suicide update 23.10.01 is here!? What's inside it!?

    Good Evening Quantumers! I hope you are all having a wonderful evening/day! On to the good stuff straight away! The new update includes: - Updated VA files (Now with more Nikolas, Melody, Katashi, Ai and Dai!) - it should be getting increasingly difficult to find non - voiced sec

    Read update · Original post

  10. Quantum SuicideQuantum Suicide cover art
    10 Oct 2020Developer post

    Quantum Suicide Patch 11.10.01!

    Salutation Quantumers! Thank you for your ongoing patience and support!! <3 Here are the changes in the most recent patch: - Bidding Wars has been re-vamped! Images now have the scores on the left, rather than right so not be blocked by UI Images have been added to include the

    Read update · Original post

  11. Quantum SuicideQuantum Suicide cover art
    22 Sep 2020Developer post

    New Small Patch~

    Salutations Quantumers! Before getting into the patch notes, I really want to thank everyone who has been leaving feedback and reviews! Not only do I have plenty to work with moving forwards, but we are also officially mostly positive in reviews!! GO TEAM! *Team being all of you

    Read update · Original post

  12. Quantum SuicideQuantum Suicide cover art
    17 Sep 2020Developer post

    Today's Patch Update!

    Salutation Quantumers :) Thank you all for taking the time to play Quantum Suicide, and to read this update! Sorry it is so short, but fixing the two achievements that weren't triggering took MUCH MUCH longer to fix than first anticipated. In patch 17.9.001 the following changes

    Read update · Original post

  13. Quantum SuicideQuantum Suicide cover art
    15 Sep 2020Developer post

    Today's Patch Update!

    Salutation Quantumers!! Thank you again for your continued patience while I continue to improve the game! Here is a listing of changes in patch 15.9.003! -Yoshiki's Lines from the Girl Route Chapter 2 should now be fixed! I have cut them and leveled them all and hopefully there i

    Read update · Original post

  14. Quantum SuicideQuantum Suicide cover art
    14 Sep 2020Developer post

    Small patch fixing a jump in Girl route!

    Salutations Quantumers! Just a quick small patch to repair a jump happening in the girl route in chapter one! I have only quickly checked the ENG VA in this day that was skipped (You talk to Ai and then choose to speak with someone), but will check it again today and patch any ch

    Read update · Original post

  15. Quantum SuicideQuantum Suicide cover art
    13 Sep 2020Developer post

    Today's Patch Update!

    Salutations Quantumers! I have just pushed a new patch, patch 14.9.002 in which the following has changed: - In game Time line will now open you your current selected gender (so if you are playing as a girl, the girl timeline will present first with the option to move to the boy

    Read update · Original post

  16. Quantum SuicideQuantum Suicide cover art
    12 Sep 2020Developer post

    Major Patch :)

    Salutation Quantumers! Thank you for your continued patience and support! I really am excited to keep working with your feedback to make this as enjoyable as possible :D There will be more patching to come! So if the problem isn't fixed yet, it will be :) - English VA has been re

    Read update · Original post

  17. Quantum SuicideQuantum Suicide cover art
    12 Sep 2020Developer post

    Small push to prevent a crash in Chapter 6

    Salutations!! Apologies if anyone got excited with the small patch download - it was pushed immediately to prevent a crash happening in Chapter 6 ><' Ver: 12.9.001 - Repair the crash in Chapter 6. VA and a major update is till coming~ Thank you again for being so patient :)

    Read update · Original post

  18. Quantum SuicideQuantum Suicide cover art
    11 Sep 2020Developer post

    When to expect the next major patch?

    Salutations Quantumers! Thank you for the impressive amount of feedback in such a small amount of time! I am taking each piece of feedback seriously and am attempting to fix everything possible in a timely manner :) I am about half way through altering the English VA to prevent i

    Read update · Original post

  19. Quantum SuicideQuantum Suicide cover art
    11 Sep 2020Developer post

    English VA concerns!

    Salutations Quantumers! Thank you all for playing Quantum Suicide so far, and my deepest apologies about the problems regarding the English VA - I am so so so sorry! Because this problem is causing some pretty massive game spoilers, I have decided to disable the option to use ENG

    Read update · Original post

  20. 10 Sep 2020Developer post

    Quantum Suicide is now available!

    Dearest Quantumers! After years of production, we are finally live! I want to thank everyone for making this possible and for supporting us through this process! I have set up a discussion thread so if you have any problems, issues or bugs, you can let me know and I will try to f

    Read update · Original post

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