Games like Furquest
Games like Furquest include Undertale, OneShot, OMORI, Ib, and DELTARUNE. We matched them by the tags players give Furquest on Steam (Story Rich, RPG, Choices Matter, Multiple Endings, and Indie): closest matches first, and among equally close ones the better-known games.

Undertale
Shared: Story Rich · Choices Matter · Multiple Endings

OneShot
Shared: Story Rich · Indie · Pixel Graphics

OMORI
Shared: Story Rich · RPG · Indie

Ib
Shared: Story Rich · Pixel Graphics · Indie

DELTARUNE
Shared: Story Rich · RPG · Pixel Graphics

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

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

Eastward
Shared: Story Rich · Pixel Graphics · RPG

Back to the Dawn
Shared: RPG · Story Rich · Choices Matter

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

LoveChoice
Shared: Story Rich · Choices Matter · Multiple Endings

Baldur's Gate 3
Shared: RPG · Choices Matter · Story Rich

Tales of the Black Forest
Shared: RPG · Story Rich · Pixel Graphics

Drova - Forsaken Kin
Shared: RPG · Exploration · Pixel Graphics

Heartbound
Shared: Story Rich · RPG · Indie

Matchmaking Inc.
Shared: RPG · Multiple Endings · Choices Matter

LISA: The Painful
Shared: RPG · Story Rich · Choices Matter

Outcore: Desktop Adventure
Shared: Story Rich · Choices Matter · Exploration

Volcano Princess
Shared: Choices Matter · Multiple Endings · RPG

The Witcher 2: Assassins of Kings Enhanced Edition
Shared: RPG · Story Rich · Choices Matter

DAVE THE DIVER
Shared: Pixel Graphics · RPG · Exploration

The Test
Shared: Story Rich · Multiple Endings · Pixel Graphics

Ten Trials of Babel: The Doppelganger Maze
Shared: Story Rich · Multiple Endings · RPG

Finding Paradise
Shared: Story Rich · RPG · Pixel Graphics