Games like The Whitaker’s Library - Part 1
Games like The Whitaker’s Library - Part 1 include Outer Wilds, Poppy Playtime, Inside the Backrooms, MiSide, and MOLE. We matched them by the tags players give The Whitaker’s Library - Part 1 on Steam (Adventure, Simulation, Puzzle, Exploration, and 3D): closest matches first, and among equally close ones the better-known games.

Outer Wilds
Shared: Exploration · Adventure · Puzzle

Poppy Playtime
Shared: Puzzle · First-Person · Horror

Inside the Backrooms
Shared: Puzzle · Adventure · Horror

MiSide
Shared: Psychological Horror · First-Person · 3D

MOLE
Shared: Simulation · Adventure · Puzzle

Blue Prince
Shared: Puzzle · Exploration · Adventure

Firewatch
Shared: Adventure · First-Person · Exploration

What Remains of Edith Finch
Shared: Adventure · Exploration · First-Person

The Exit 8
Shared: Puzzle · Exploration · Horror

Killer Frequency
Shared: Adventure · Puzzle · Simulation

Scanner Sombre
Shared: Exploration · Adventure · First-Person

The Room 4: Old Sins
Shared: Puzzle · Adventure · Mystery

Stray
Shared: Adventure · Exploration · Puzzle

Escape the Backrooms
Shared: Horror · Psychological Horror · Adventure

Platform 8
Shared: Adventure · Simulation · Puzzle

The Room Two
Shared: Puzzle · Adventure · Mystery

Return of the Obra Dinn
Shared: Puzzle · Mystery · Adventure

Amanda the Adventurer
Shared: Puzzle · First-Person · Adventure

The Room
Shared: Puzzle · Adventure · Mystery

Layers of Fear (2016)
Shared: Psychological Horror · Adventure · First-Person

INFRA
Shared: Puzzle · Exploration · Adventure

Garten of Banban
Shared: Puzzle · First-Person · Horror

The Room Three
Shared: Adventure · Puzzle · Indie

The Witness
Shared: Puzzle · Exploration · First-Person