Games like All That Remains: Part 1
Games like All That Remains: Part 1 include The Room, The Room 4: Old Sins, The Room Two, The Room Three, and The House of Da Vinci. We matched them by the tags players give All That Remains: Part 1 on Steam (Hidden Object, Puzzle, Point & Click, 2D, and First-Person): closest matches first, and among equally close ones the better-known games.

The Room
Shared: Puzzle · Point & Click · Hidden Object

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

The Room Two
Shared: Puzzle · Point & Click · Hidden Object

The Room Three
Shared: Puzzle · Point & Click · Hidden Object

The House of Da Vinci
Shared: Hidden Object · Puzzle · Point & Click

Rusty Lake Paradise
Shared: Puzzle · Point & Click · Adventure

Storyteller
Shared: Puzzle · Point & Click · 2D

Boxes: Lost Fragments
Shared: Puzzle · Point & Click · Hidden Object

The Rewinder
Shared: Puzzle · Mystery · Adventure

Poppy Playtime
Shared: Puzzle · First-Person · Singleplayer

The House of Da Vinci 3
Shared: Hidden Object · Point & Click · Puzzle

Servant of the Lake
Shared: Puzzle · Point & Click · Adventure

The House of Tesla: Definitive Edition
Shared: Hidden Object · Point & Click · Puzzle

Morphopolis
Shared: Puzzle · Hidden Object · Point & Click

Hidden Folks
Shared: Hidden Object · Puzzle · Point & Click

Machinarium
Shared: Puzzle · Point & Click · 2D

Deponia
Shared: Point & Click · Puzzle · Adventure

My Brother Rabbit
Shared: Puzzle · Point & Click · Hidden Object

Portal 2
Shared: Puzzle · First-Person · Singleplayer

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

Aurora Hills: Chapter 2
Shared: Puzzle · Point & Click · Hidden Object

Enigmatis: The Ghosts of Maple Creek
Shared: Hidden Object · Point & Click · Puzzle

Return to Monkey Island
Shared: Point & Click · Puzzle · Adventure

The White Door
Shared: Puzzle · Point & Click · Adventure