Games like Undungeon Artbook
Games like Undungeon Artbook include The Witcher 3: Wild Hunt — Remastered, Bastion, Hyper Light Drifter, NieR Replicant™ ver.1.22474487139..., and Pyre. We matched them by the tags players give Undungeon Artbook on Steam (Action, Adventure, RPG, Indie, and Atmospheric): closest matches first, and among equally close ones the better-known games.

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

Bastion
Shared: Action · Indie · Great Soundtrack

Hyper Light Drifter
Shared: Adventure · Great Soundtrack · Indie

NieR Replicant™ ver.1.22474487139...
Shared: Action · Great Soundtrack · RPG

Pyre
Shared: RPG · Indie · Action

Dust: An Elysian Tail
Shared: Action · Indie · RPG

DARK SOULS™: REMASTERED
Shared: RPG · Action · Atmospheric

Monster Hunter: World
Shared: Action · RPG · Adventure

Skate Story
Shared: Adventure · Action · Indie

Fallout 4
Shared: RPG · Adventure · Atmospheric

Ori and the Will of the Wisps
Shared: Action · Great Soundtrack · Adventure

Black Myth: Wukong
Shared: Action · RPG · Adventure

Gothic 1 Remake
Shared: Adventure · RPG · Action

KINGDOM HEARTS -HD 1.5+2.5 ReMIX-
Shared: Action · Adventure · RPG

GRIS
Shared: Indie · Great Soundtrack · Adventure

Caster
Shared: Action · Adventure · Indie

NieR:Automata™
Shared: RPG · Action · Great Soundtrack

Yakuza Kiwami
Shared: Action · Adventure · RPG

ICEY
Shared: Action · Adventure · Indie

Hollow Knight
Shared: Great Soundtrack · Indie · Adventure

FINAL FANTASY XV WINDOWS EDITION
Shared: RPG · Adventure · Action

Brothers - A Tale of Two Sons
Shared: Adventure · Atmospheric · Indie

OMORI
Shared: Indie · RPG · Great Soundtrack

Hollow Knight: Silksong
Shared: Indie · Great Soundtrack · Adventure