Games like The Wandering Wyrm
Games like The Wandering Wyrm include Undertale, Mirror 2: Project X, Coffee Talk, The Hungry Lamb: Traveling in the Late Ming Dynasty, and To the Moon. We matched them by the tags players give The Wandering Wyrm on Steam (Casual, RPG, Interactive Fiction, Pixel Graphics, and Visual Novel): closest matches first, and among equally close ones the better-known games.

Undertale
Shared: Pixel Graphics · RPG · Choices Matter

Mirror 2: Project X
Shared: Interactive Fiction · Visual Novel · RPG

Coffee Talk
Shared: Pixel Graphics · Visual Novel · Interactive Fiction

The Hungry Lamb: Traveling in the Late Ming Dynasty
Shared: Visual Novel · Interactive Fiction · Cooking

To the Moon
Shared: Pixel Graphics · Interactive Fiction · RPG

Touhou Mystia's Izakaya
Shared: Casual · Pixel Graphics · RPG

Yes, Your Grace
Shared: RPG · Pixel Graphics · Choices Matter

DELTARUNE
Shared: Pixel Graphics · RPG · Singleplayer

Until Then
Shared: Visual Novel · Pixel Graphics · Interactive Fiction

OneShot
Shared: Pixel Graphics · Singleplayer · Choices Matter

Roadwarden
Shared: RPG · Pixel Graphics · Interactive Fiction

Emily is Away Too
Shared: Casual · Pixel Graphics · Choices Matter

A Bird Story
Shared: Pixel Graphics · Interactive Fiction · RPG

LoveChoice
Shared: Visual Novel · Choices Matter · Casual

Far Away
Shared: Visual Novel · Singleplayer · Choices Matter

DAVE THE DIVER
Shared: Casual · Pixel Graphics · RPG

Volcano Princess
Shared: RPG · Choices Matter · Multiple Endings

Aliya: Timelink
Shared: RPG · Interactive Fiction · Visual Novel

The Witcher 3: Wild Hunt — Remastered
Shared: RPG · Singleplayer · Choices Matter

The Cosmic Wheel Sisterhood
Shared: Interactive Fiction · Visual Novel · Pixel Graphics

Vampire Survivors
Shared: Pixel Graphics · 2D · Casual

Impostor Factory
Shared: Pixel Graphics · RPG · 2D

Suzerain
Shared: Visual Novel · Interactive Fiction · Choices Matter

The Life and Suffering of Sir Brante
Shared: RPG · Interactive Fiction · Choices Matter