Games like Zero-Sum Heart Artbook
Games like Zero-Sum Heart Artbook include Life is Strange: True Colors, LoveChoice, Emily is Away <3, The Test, and The Wolf Among Us. We matched them by the tags players give Zero-Sum Heart Artbook on Steam (Adventure, Casual, Simulation, Female Protagonist, and Story Rich): closest matches first, and among equally close ones the better-known games.

Life is Strange: True Colors
Shared: Story Rich · Choices Matter · Female Protagonist

LoveChoice
Shared: Story Rich · Choices Matter · Romance

Emily is Away <3
Shared: Simulation · Choices Matter · Casual

The Test
Shared: Simulation · Story Rich · Choose Your Own Adventure

The Wolf Among Us
Shared: Adventure · Story Rich · Choices Matter

Volcano Princess
Shared: Female Protagonist · Choices Matter · Multiple Endings

Growing Up
Shared: Simulation · Story Rich · Choices Matter

Road to Empress Ⅱ
Shared: Adventure · Female Protagonist · Choices Matter

Detroit: Become Human
Shared: Story Rich · Choices Matter · Multiple Endings

Life is Strange Remastered
Shared: Female Protagonist · Story Rich · Choices Matter

Florence
Shared: Casual · Adventure · Story Rich

Life is Strange: Double Exposure
Shared: Female Protagonist · Choices Matter · Story Rich

The Witcher 3: Wild Hunt — Remastered
Shared: Adventure · Story Rich · Choices Matter

Death and Taxes
Shared: Simulation · Story Rich · Choices Matter

Life is Strange: Before the Storm
Shared: Story Rich · Female Protagonist · Choices Matter

Life is Strange: Reunion
Shared: Adventure · Choices Matter · Female Protagonist

Road to Empress I
Shared: Female Protagonist · Choices Matter · Story Rich

Emily is Away Too
Shared: Simulation · Casual · Choices Matter

Oxenfree
Shared: Story Rich · Choices Matter · Female Protagonist

Life is Strange: Before the Storm Remastered
Shared: Female Protagonist · Choices Matter · Story Rich

Sable
Shared: Adventure · Story Rich · Female Protagonist

The Walking Dead: Season Two
Shared: Adventure · Story Rich · Female Protagonist

The Walking Dead: The Final Season
Shared: Adventure · Story Rich · Choices Matter

Magical Princess
Shared: Choices Matter · Multiple Endings · Female Protagonist