Game Overview
A magical boarding school becomes the stage for an intensely personal horror story when an eighteen-year-old girl gives up her heart in pursuit of popularity, power, and romance. Zero-Sum Heart blends teenage melodrama with occult fantasy, turning a familiar coming-of-age setup into something uneasy, lonely, and increasingly surreal. The protagonist gains the admiration she craves, but her faceless followers and magically charged relationship raise a harsher question: what does love mean when she can no longer truly return it? Its compact two-hour length gives the narrative the concentrated feeling of a dark, feverish fable.
Play centers on reading, making decisions, and steering the heroine through emotionally loaded encounters rather than mastering traditional RPG combat or character stats. Choices shape her relationships, reactions to newfound supernatural ability, and the direction of the story, with several endings encouraging another pass to see where different priorities lead. Expect a visual-novel-style experience built around dialogue, atmosphere, and uncomfortable moral complications, not a long school-life simulation. The game deals directly with violence, self-harm, coercion, abusive dynamics, stalking, murder, and suicide, using stylized imagery rather than realism but never treating those ideas as weightless.
Hand-drawn art gives each scene a bright yet unsettling psychedelic edge, allowing reality, fantasy, and the protagonist’s distorted emotional state to bleed together. A sinister, witchy soundtrack reinforces the sense that even the school’s most romantic moments may be part of a ritual gone wrong. Its strongest appeal lies in the collision of romance-game intimacy and psychological horror, closer in mood to an unsettling indie visual novel than a conventional fantasy RPG. Players who enjoy short, choice-driven stories with thorny themes and multiple conclusions should find plenty to think about, while anyone sensitive to its stated content should approach with care.
Screenshots
Installation
- Click the green button below to be redirected to UploadHaven.
- Wait 15 seconds, then hit “Free Download.” (Free downloads may be slower — upgrade to UploadHaven Pro for faster speeds.)
- Once downloaded, right-click the .zip file and choose “Extract to Zero-Sum Heart.” (You’ll need 7-Zip for this.)
- Open the extracted folder and run the game as administrator.
- Enjoy! 🎮 If you see missing DLL errors, check the _Redist folder inside and install what’s needed.
System Requirements
- Requires a 64-bit processor and operating system
- OS: Windows 10 or later
- Processor: Intel i3 Quad-Core
- Memory: 4 GB RAM
- Storage: 1 GB available space
Setup Guide & Troubleshooting
How do I fix missing DLL errors for Zero-Sum Heart (v1.0.5)?
After extracting Zero-Sum Heart (v1.0.5), navigate to the _Redist or _CommonRedist folder inside the game directory and install DirectX, Vcredist, and any other dependencies included.
What should I do if the downloaded file is corrupted?
The full archive is 1.99 GB — make sure your download completed fully before extracting. Use 7-Zip to extract the files. If you still see a "file corrupted" error, re-download and try again.
Why should I run the game as administrator?
Right-click the game executable and select "Run as Administrator" to avoid save file issues and permission errors. This is especially important on the first launch.
How do I update my GPU drivers for this game?
The game won't launch — what should I try?
Try running in compatibility mode, install the latest DirectX runtime, or install the All-in-One VC Redist Package.
My antivirus is blocking the game — is it safe?
Antivirus false positives are common with pre-installed games. Temporarily pause your antivirus during extraction to prevent it from quarantining game files. You can re-enable it after the extraction completes.