Games like Mz
Games like Mz include The Witness, Antichamber, Moncage, Blue Prince, and The Exit 8. We matched them by the tags players give Mz on Steam (Casual, Exploration, Puzzle, 3D, and First-Person): closest matches first, and among equally close ones the better-known games.

The Witness
Shared: Exploration · Puzzle · First-Person

Antichamber
Shared: Puzzle · Exploration · First-Person

Moncage
Shared: Casual · Puzzle · Exploration

Blue Prince
Shared: Puzzle · Exploration · First-Person

The Exit 8
Shared: Exploration · Puzzle · First-Person

Riven
Shared: Puzzle · Exploration · First-Person

Buckshot Roulette
Shared: First-Person · Dark · 3D

Sizeable
Shared: Casual · Puzzle · Exploration

Liars Bar
Shared: Casual · 3D · First-Person

Slime Rancher
Shared: Exploration · First-Person · Casual

Poppy Playtime
Shared: Puzzle · First-Person · Singleplayer

Monument Valley
Shared: Puzzle · Casual · Exploration

Superliminal
Shared: Puzzle · First-Person · Psychedelic

Big Walk
Shared: Exploration · Puzzle · Casual

Garten of Banban
Shared: First-Person · Puzzle · 3D

Manifold Garden
Shared: Puzzle · Exploration · First-Person

Myst
Shared: Exploration · Puzzle · First-Person

Outer Wilds
Shared: Exploration · Puzzle · First-Person

FEZ
Shared: Puzzle · Exploration · Casual

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

The Unfinished Swan
Shared: Exploration · Puzzle · Casual

The Room 4: Old Sins
Shared: Puzzle · Exploration · First-Person

Internet Cafe Simulator 2
Shared: Exploration · 3D · First-Person

Amanda the Adventurer
Shared: Puzzle · First-Person · 1990's