Games like The Late Guest
Games like The Late Guest include Inside the Backrooms, Outer Wilds, COCOON, The House of Da Vinci, and The Room 4: Old Sins. We matched them by the tags players give The Late Guest on Steam (Adventure, Puzzle, Exploration, Hidden Object, and 3D): closest matches first, and among equally close ones the better-known games.

Inside the Backrooms
Shared: Puzzle · Adventure · Exploration

Outer Wilds
Shared: Exploration · Adventure · Puzzle

COCOON
Shared: Adventure · Puzzle · Exploration

The House of Da Vinci
Shared: Puzzle · Hidden Object · Exploration

The Room 4: Old Sins
Shared: Puzzle · Adventure · Hidden Object

PEAK
Shared: Adventure · Exploration · First-Person

Antichamber
Shared: Puzzle · Exploration · First-Person

Chants of Sennaar
Shared: Adventure · Puzzle · Exploration

The Room Two
Shared: Puzzle · Adventure · Hidden Object

The Exit 8
Shared: Puzzle · Exploration · 3D

The Room
Shared: Puzzle · Adventure · Hidden Object

The Room Three
Shared: Puzzle · Adventure · Hidden Object

Stray
Shared: Adventure · Exploration · Puzzle

Big Walk
Shared: Puzzle · Exploration · Adventure

Platform 8
Shared: Adventure · Puzzle · Hidden Object

Lethal Company
Shared: Exploration · First-Person · Horror

Blue Prince
Shared: Puzzle · Exploration · Adventure

The Witness
Shared: Puzzle · Exploration · First-Person

Poppy Playtime
Shared: Puzzle · First-Person · Adventure

Escape the Backrooms
Shared: Adventure · Exploration · First-Person

Firewatch
Shared: Adventure · Exploration · First-Person

INFRA
Shared: Puzzle · Exploration · Adventure

Metel - Horror Escape
Shared: Puzzle · 3D · Hidden Object

Five Nights at Freddy's: Secret of the Mimic
Shared: Adventure · First-Person · Exploration