- Happy 1 Year Anniversary of Zero-Sum Heart - 31 October 2025
Hi Everyone,This is Mari and Jenny from Citreat Studio, the developers of Zero-Sum Heart! We just wanted to pop in to say thank you as we reach the 1-year anniversary of this little game. Zero-Sum Heart, alongside the soundtrack and artbook, it's currently on discount for Scream Fest and the cheapest it's ever been so feel free to jump in :)Here's a little celebratory art, courtesy of Jenny, to celebrate this milestone! (Consider it somewhat of an alternate universe, as The Mighty Witch would probably never deign to dine with and play third-wheel to these two idiots.) Hope everyone is having a great time with your family and friends and eating something warm, as winter is fast approaching! (Or for those of you in the Southern Hemisphere, hope you are having some ice cream :)We developed this game in around 6 months, so it has officially been twice as long as the time it took to make it.…
- Zero-Sum Heart Now Available in Spanish (LATAM) - 25 September 2025
Hi everyone,This is Jenny and Mari, developers of Zero-Sum Heart. We wanted to pop in for an exciting announcement: Zero-Sum Heart is now available in LATAM Spanish!We want to say our heartfelt thanks to the generous help of Francisca Stachiotti, who worked on the translation and localization QA with incredible dedication! And we hope you the players will enjoy it :)Other game updates in 1.0.16:Fixed an issue where the "two years later" and "ten years later" screens weren't displaying correctly in certain languagesFixed an issue where the strikethrough texts in bubble dialogue weren't displayed correctly in certain languages.We are also currently participating in Fall In Love festival, full of romance visual novels from other wonderful developers around the world! Please check out the other works in the festival, and we hope you enjoy playing :)
- Zero-Sum Heart - French Support Added - 18 August 2025
Hi everyone,We are so excited to tell you that Zero-Sum Heart is now available in French!We want to give our sincere gratitude to ZHY club, particularly these following translators, for their hard work in bringing Zero-Sum Heart to life in French:djinOuraganfhkatezDur-714We are in love with how these graphics look, and we are excited to bring it to a new audience:Additional patch note for 1.0.13:Added a credits video in French with translated lyric subtitles and translation creditsFixed a bug in Japanese and Traditional Chinese where the gallery title and background were displayed incorrectly(Spoilers) Fixed a bug in which the game failed to account for whether players had jumped in the lake to retrieve the bracelet when it... uh, comes up later in a certain conversation with the witch. Damn you Steam, give me back my spoiler tags in the visual editor please!We are also going to work wi…
- Zero-Sum Heart is OUT NOW on Nintendo Switch! - 24 July 2025
Hi everyone,This is Mari & Jenny from Citreat Studio.We are so excited to announce that Zero-Sum Heart is now out on Nintendo Switch! This edition includes the digital artbook and OST too :) You can purchase and play it right now for 10% off across all regions! This was a small and personal project for us, and we never imagined we could bring it to another platform and a new audience, so thank our NS publisher/porting partner Cyberisle for making it happen. Hope you all enjoy it! Best, Mari & Jenny
- Zero-Sum Heart is coming to Nintendo Switch on July 24th! - 10 July 2025
Hi everyone, This is Mari and Jenny from Citreat Studio! We are excited to work with Jump to bring you Zero-Sum Heart on Nintendo Switch eShop on July 24th :) The Switch version will contain the game itself, the Original Soundtrack, and the Artbook with our commentaries. You can pre-order it now on eShop for 10% off
- 1.0.11 Patch Notes - 25 March 2025
- Fixed some typos - Fixed Traditional Chinese credits video language display
- 1.0.10 Patch Notes - 13 January 2025
Fixed a bug where phantom slots appeared in the gallery that couldn't be unlocked (Tried, hopefully, let me know if it works) fixed an issue where Steam Achievements couldn't be unlocked
- Japanese Localization Added! - 6 January 2025
Hi everyone, We are excited to announce that with the great help of a player 望入世, we've now added Japanese localization for the whole game! We are very excited to see more players be able to enjoy the game with this new update :) Other Fixes: Updated the Settings menu (Made font consistent across settings text, took off font and voice volume) Reduced the file size of the credits cutscene & therefore reducing build size Fixed an issue with Traditional Chinese Localization where choosing to talk to Mushroom about your feelings will lead to text incorrectly displayed in English Fixed an issue with Traditional Chinese version where the and time skip countdown UI wouldn't display correctly We also want to share with you a couple of comic drabbles we drew as a crossover between Zero-Sum Heart and our previous game Death Trick: Double Blind: You can find these games together in this little bun…
- 1.0.7 Patch Notes - 5 November 2024
Bug fix: Fixed an issue where I built the previous version when my Unity license disconnected, causing the "trial version" watermark appearing at the bottom right of the game. Fixed an issue where the log page shows the protagonist's name as "IChildhood" during a flashback. Fixed a typo in Chinese localization.
- 1.0.6 Patch Notes - 4 November 2024
Hi everyone, Thank you for playing Zero-Sum Heart! Here's a quick patch-- If you encounter any more bugs, you can reply to the bug report thread in the forum, or message us through Discord. Fixed a bug where players get stuck on certain mid-game ending pages Fixed a bug where in the Water Under the Bridge ending, the protagonist sprites have a display error: Her hair should be white, not blue. Fixed a bug where during Ritual reversal, The Witch mistakenly tells you you've killer Bear, even if you hadn't. Fixed a few typos and rogue punctuation marks.
- Zero-Sum Heart is OUT NOW! - 1 November 2024
Hi everyone, This is Mari & Jenny, the developers of Zero-Sum Heart. We are so excited, and anxious, and grateful, and relieved to tell you: Zero-Sum Heart is out now! We've been hard at work pouring our hearts (hehe, get it, hearts?) into this game for the past six months, and we hope something in the story resonates with you too. Zero-Sum Heart will be 10% off for the next two weeks, grab it to give it a try: https://store.steampowered.com/app/2954920/ZeroSum_Heart/ We also have a Deluxe bundle, complete with a 14-track original soundtrack and 80-page artbook with developer commentary, which you can get here: https://store.steampowered.com/bundle/45305/ZeroSum_Heart_Deluxe/ If you are looking for more character-centric, emotionally nuanced storytelling games, or if you played Zero-Sum Heart and think you enjoyed the writing/art/music, you can also check out this bundle, which includes…
- Try the demo at Steam Next Fest! - 15 October 2024
Hi everyone, We are so excited to tell you we've basically wrapped production on Zero-Sum Heart! Doing some final bug fixing now, and we are working on finalizing the artbook and soundtrack to be released with the full game. Looking forward to sharing this story with everyone on November 1st, as a late Halloween gift :) For now, welcome to Steam Next fest! You can still try our demo, and don't worry, your save files should be able to carry over to the full game :) Please click here to add Zero-Sum Heart to your wishlist to receive email notification when it launches: https://store.steampowered.com/app/2954920/ZeroSum_Heart/
- Demo Available Now + Release Date Announcement! - 19 September 2024
Hi everyone, We are so excited to let you know that Zero-Sum Heart has a demo out right now! And the full game will be coming on November 1st, right around Halloween season :) Wishlist Zero-Sum Heart, so you can get an email notification when it comes out: https://store.steampowered.com/app/2954920/ Follow us on Twitter: https://x.com/CitreatStudio Join our Discord: https://discord.gg/SCVFr2nNaj
- Now Broadcasting - Watch the Developers Play! - 19 September 2024
Hi everyone! This is the developers from Citreat Studio: Mari and Jenny. We are so excited to announce we are participating in Game Developer's of Color event, and we've also officially released our demo! We'll be broadcasting our playthrough throughout the event, but we encourage you to check out the demo yourself if you are interested :) Stay tuned, more information coming soon! Follow us on Twitter: https://x.com/CitreatStudio
