Games like Everhood 2
Games like Everhood 2 include Undertale, Everhood, Rhythm Doctor, DELTARUNE, and A Dance of Fire and Ice. We matched them by the tags players give Everhood 2 on Steam (Psychedelic, Music, Indie, Story Rich, and 2D): closest matches first, and among equally close ones the better-known games.

Undertale
Shared: Story Rich · Choices Matter · Pixel Graphics

Everhood
Shared: Music · Psychedelic · Story Rich

Rhythm Doctor
Shared: Music · Story Rich · Indie

DELTARUNE
Shared: Story Rich · Pixel Graphics · RPG

A Dance of Fire and Ice
Shared: Music · Indie · 2D

OneShot
Shared: Story Rich · Indie · Pixel Graphics

To the Moon
Shared: Story Rich · Indie · Pixel Graphics

SANABI
Shared: Story Rich · Pixel Graphics · Indie

Geometry Dash
Shared: Music · 2D · Rhythm

OMORI
Shared: Indie · Story Rich · Pixel Graphics

Finding Paradise
Shared: Story Rich · 2D · Pixel Graphics

LISA: The Painful
Shared: Story Rich · RPG · Indie

Eastward
Shared: Story Rich · Pixel Graphics · RPG

Heartbound
Shared: Indie · Story Rich · RPG

Tales of the Black Forest
Shared: Indie · RPG · Pixel Graphics

The Witcher 3: Wild Hunt — Remastered
Shared: Story Rich · RPG · Singleplayer

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

CrossCode
Shared: RPG · Pixel Graphics · Indie

Impostor Factory
Shared: Story Rich · 2D · Pixel Graphics

The Hex
Shared: Indie · Story Rich · Singleplayer

A Bird Story
Shared: Indie · Story Rich · Pixel Graphics

Yes, Your Grace
Shared: Indie · Choices Matter · Story Rich

Skul: The Hero Slayer
Shared: Indie · 2D · Pixel Graphics

Bastion
Shared: Indie · RPG · Story Rich