Games like The Hunt for the Lost Treasure 2
Games like The Hunt for the Lost Treasure 2 include Storyteller, The Witness, Big Walk, There Is No Game: Wrong Dimension, and Slime Rancher. We matched them by the tags players give The Hunt for the Lost Treasure 2 on Steam (Exploration, Interactive Fiction, Puzzle, Point & Click, and 2D): closest matches first, and among equally close ones the better-known games.

Storyteller
Shared: Puzzle · Interactive Fiction · Point & Click

The Witness
Shared: Exploration · Puzzle · First-Person

Big Walk
Shared: Exploration · Puzzle · Relaxing

There Is No Game: Wrong Dimension
Shared: Puzzle · Point & Click · Casual

Slime Rancher
Shared: Exploration · First-Person · Colorful

Chants of Sennaar
Shared: Puzzle · Point & Click · Colorful

Is This Seat Taken?
Shared: Puzzle · Casual · Relaxing

Samorost 1
Shared: Point & Click · Puzzle · Casual

A Little to the Left
Shared: Puzzle · Relaxing · Point & Click

Morphopolis
Shared: Puzzle · Point & Click · Casual

Gorogoa
Shared: Puzzle · Point & Click · Casual

Monument Valley
Shared: Puzzle · Exploration · Relaxing

The Room 4: Old Sins
Shared: Puzzle · Point & Click · Exploration

The Room
Shared: Puzzle · Point & Click · Mystery

Carto
Shared: Exploration · Puzzle · Relaxing

FEZ
Shared: Puzzle · Exploration · Casual

Strange Jigsaws
Shared: Puzzle · Casual · 2D

Zup! X
Shared: Puzzle · Casual · 2D

Zup! S
Shared: Puzzle · Casual · 2D

Lost in Play
Shared: Puzzle · Point & Click · 2D

Unboxing the Cryptic Killer
Shared: Puzzle · Point & Click · Exploration

Doors: Paradox
Shared: Puzzle · Point & Click · Relaxing

Riven
Shared: Exploration · Puzzle · First-Person

Zup! 2
Shared: Puzzle · Casual · 2D