Games like IZGUB 2001
Games like IZGUB 2001 include Sanfu, OMORI, Tiny Bunny, The Hungry Lamb: Traveling in the Late Ming Dynasty, and Finding Paradise. We matched them by the tags players give IZGUB 2001 on Steam (Adventure, RPG, Visual Novel, Interactive Fiction, and 2D): closest matches first, and among equally close ones the better-known games.

Sanfu
Shared: RPG · Adventure · 2D

OMORI
Shared: RPG · Hand-drawn · 2D

Tiny Bunny
Shared: Visual Novel · Atmospheric · 2D

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

Finding Paradise
Shared: Adventure · RPG · 2D

Pyre
Shared: RPG · Visual Novel · Hand-drawn

GRIS
Shared: Adventure · Atmospheric · Hand-drawn

The Deed
Shared: Adventure · RPG · Visual Novel

Impostor Factory
Shared: Adventure · RPG · 2D

A Bird Story
Shared: Adventure · Interactive Fiction · RPG

Tales of the Black Forest
Shared: RPG · Adventure · Visual Novel

The Witcher 3: Wild Hunt — Remastered
Shared: RPG · Adventure · Atmospheric

Sally Face - Episode One
Shared: Adventure · Atmospheric · Dark

OPUS: Echo of Starsong - Full Bloom Edition
Shared: Visual Novel · Interactive Fiction · 2D

Billionaire Lovers
Shared: RPG · Visual Novel · Interactive Fiction

The Life and Suffering of Sir Brante
Shared: RPG · Interactive Fiction · Visual Novel

To the Moon
Shared: Adventure · Interactive Fiction · RPG

Firework
Shared: 2D · Visual Novel · Atmospheric

Hylics
Shared: RPG · Adventure · Atmospheric

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

Until Then
Shared: Visual Novel · Interactive Fiction · 2D

Roadwarden
Shared: RPG · Adventure · Interactive Fiction

HIVESWAP: Act 2
Shared: Adventure · Visual Novel · RPG

Slay the Princess — The Pristine Cut
Shared: Visual Novel · Hand-drawn · Interactive Fiction