Games like Ego Hearts
Games like Ego Hearts include OneShot, Undertale, To the Moon, Hollow Knight: Silksong, and OMORI. We matched them by the tags players give Ego Hearts on Steam (Free to Play, Indie, Surreal, Story Rich, and 2D): closest matches first, and among equally close ones the better-known games.

OneShot
Shared: Indie · Story Rich · Great Soundtrack

Undertale
Shared: Great Soundtrack · Story Rich · Indie

To the Moon
Shared: Indie · Great Soundtrack · Story Rich

Hollow Knight: Silksong
Shared: Indie · Great Soundtrack · 2D

OMORI
Shared: Indie · Story Rich · Great Soundtrack

Hollow Knight
Shared: Great Soundtrack · Indie · 2D

GRIS
Shared: Indie · Great Soundtrack · 2D

DELTARUNE
Shared: Great Soundtrack · Story Rich · 2D

Everhood
Shared: Great Soundtrack · Story Rich · Surreal

Neon Beats
Shared: Free to Play · Indie · Great Soundtrack

A Bird Story
Shared: Indie · Great Soundtrack · Story Rich

Katana ZERO
Shared: Great Soundtrack · Story Rich · Indie

Samsara Room
Shared: Indie · Free to Play · Surreal

Celeste
Shared: Indie · Great Soundtrack · 2D

OFF
Shared: Story Rich · Indie · 2D

Hotline Miami
Shared: Great Soundtrack · Indie · Surreal

Bastion
Shared: Indie · Great Soundtrack · Story Rich

The Beginner's Guide
Shared: Indie · Story Rich · Surreal

Dropsy
Shared: Great Soundtrack · Indie · 2D

Milk outside a bag of milk outside a bag of milk
Shared: Indie · Story Rich · 2D

Hylics
Shared: Indie · Surreal · Great Soundtrack

Geometry Dash
Shared: Great Soundtrack · 2D · Indie

Kentucky Route Zero: PC Edition
Shared: Indie · Surreal · Story Rich

Papers, Please
Shared: Indie · Story Rich · 2D