Games like The Mirum
Games like The Mirum include Hogwarts Legacy, Blue Prince, The Room 4: Old Sins, Outer Wilds, and The Talos Principle. We matched them by the tags players give The Mirum on Steam (Puzzle, Escape Room, First-Person, Adventure, and Fantasy): closest matches first, and among equally close ones the better-known games.

Hogwarts Legacy
Shared: Fantasy · Adventure · Magic

Blue Prince
Shared: Puzzle · First-Person · Exploration

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

Outer Wilds
Shared: Adventure · Puzzle · Exploration

The Talos Principle
Shared: Puzzle · First-Person · Adventure

Firewatch
Shared: Adventure · First-Person · Atmospheric

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

A Story About My Uncle
Shared: First-Person · Adventure · Puzzle

The Witness
Shared: Puzzle · First-Person · Exploration

The Room
Shared: Puzzle · Adventure · Atmospheric

We Were Here Forever
Shared: Puzzle · Escape Room · Fantasy

Antichamber
Shared: Puzzle · First-Person · Adventure

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

Riven
Shared: Puzzle · Adventure · First-Person

Legend of Grimrock 2
Shared: First-Person · Puzzle · Dungeon Crawler

Escape Simulator
Shared: Puzzle · Escape Room · First-Person

The Room Three
Shared: Puzzle · Adventure · Escape Room

The Last Campfire
Shared: Puzzle · Adventure · Fantasy

The Elder Scrolls IV: Oblivion® Game of the Year Edition (2009)
Shared: Fantasy · First-Person · Adventure

Call of the Sea
Shared: Puzzle · Adventure · First-Person

INFRA
Shared: Puzzle · First-Person · Adventure

Servant of the Lake
Shared: Puzzle · Escape Room · Adventure

Portal 2
Shared: Puzzle · First-Person · Adventure

Amnesia: Rebirth
Shared: Puzzle · First-Person · Adventure