Zero-Sum Heart

Romance visual novel about sacrificing your heart for magical affection

Citreat Studio · Released Oct 31, 2024

Reviews: Very Positive; 93% of 217
Recent reviews: Not enough recent
Players: 1; daily peak, Oct 28, 2026
Steam Deck: Untested
Last update on Steam: 1 year ago; Sep 25, 2025
Minimum PC: 4 GB RAM · 1 GB disk; Full requirements

What is Zero-Sum Heart?

Set at a magical boarding school, this short visual novel follows an eighteen-year-old student whose ritual sacrifice brings power and a one-sided romance. You read the story and make choices that lead to different endings.

For you if...

+you like romance mixed with teen drama and horror

Not for you if...

−you avoid stories involving self-harm, abuse, and dubious consent

What players say

93% of 217 reviews are positive

Players praise the art, writing, and music. Individual criticisms include the emphasis on the male lead and themes that a recent reviewer finds underexplored.

Screenshots and trailer

Zero-Sum Heart system requirements

Minimum: 4 GB RAM, 1 GB of disk space.

As published by the developer.

Can my PC run Zero-Sum Heart?

The published requirements do not name a graphics card we can compare.

Set up my PC →

Minimum

OS: Windows 10 or later
Processor: Intel i3 Quad-Core
Memory: 4 GB RAM
Storage: 1 GB available space

Does Zero-Sum Heart have co-op or multiplayer?

No: single-player only, no multiplayer modes declared.

Single-player

Does Zero-Sum Heart run on Steam Deck?

Untested Not yet tested by Valve on Steam Deck.

PC version details

DRM: None declared on Steam
Controller: Keyboard and mouse
Platforms: Windows, macOS
Achievements: 16
Steam features: Family Sharing
Languages: Text only: English, Simplified Chinese, Traditional Chinese, Japanese, French, Spanish - Latin America.

Does Zero-Sum Heart use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 27, 2026. How to filter AI games on Steam