Games like RHEM II SE: The Cave
Games like RHEM II SE: The Cave include The Room, Portal 2, The Room 4: Old Sins, Chants of Sennaar, and The Room Two. We matched them by the tags players give RHEM II SE: The Cave on Steam (Adventure, Point & Click, Singleplayer, Puzzle, and First-Person): closest matches first, and among equally close ones the better-known games.

The Room
Shared: Point & Click · Puzzle · Adventure

Portal 2
Shared: Singleplayer · Puzzle · First-Person

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

Chants of Sennaar
Shared: Adventure · Puzzle · Singleplayer

The Room Two
Shared: Point & Click · Puzzle · Adventure

The Room Three
Shared: Adventure · Puzzle · Point & Click

Poppy Playtime
Shared: Singleplayer · Puzzle · First-Person

Deponia
Shared: Adventure · Point & Click · Puzzle

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

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

Fran Bow
Shared: Point & Click · Adventure · Puzzle

Escape Simulator
Shared: Puzzle · Adventure · First-Person

The Mr. Rabbit Magic Show
Shared: Adventure · Point & Click · Puzzle

Samsara Room
Shared: Adventure · Puzzle · Point & Click

Superliminal
Shared: Puzzle · First-Person · Singleplayer

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

Storyteller
Shared: Point & Click · Puzzle · Adventure

Portal
Shared: Puzzle · Singleplayer · First-Person

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

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

Myst
Shared: Adventure · Puzzle · First-Person

Indiana Jones and the Great Circle
Shared: First-Person · Adventure · Puzzle

Underground Blossom
Shared: Adventure · Point & Click · Puzzle

Atomic Heart
Shared: Adventure · Singleplayer · Puzzle