Games like Uninvited Guest
Games like Uninvited Guest include Poppy Playtime, Little Nightmares II, Little Nightmares, Layers of Fear (2016), and The Room Two. We matched them by the tags players give Uninvited Guest on Steam (Singleplayer, Horror, Psychological Horror, Atmospheric, and Adventure): closest matches first, and among equally close ones the better-known games.

Poppy Playtime
Shared: Singleplayer · Horror · Psychological Horror

Little Nightmares II
Shared: Horror · Singleplayer · Adventure

Little Nightmares
Shared: Horror · Singleplayer · Atmospheric

Layers of Fear (2016)
Shared: Horror · Psychological Horror · Atmospheric

The Room Two
Shared: Atmospheric · Horror · Mystery

Outlast
Shared: Horror · Atmospheric · Psychological Horror

Garten of Banban
Shared: Singleplayer · Horror · Psychological Horror

Sally Face - Episode One
Shared: Psychological Horror · Horror · Dark

What Remains of Edith Finch
Shared: Atmospheric · Singleplayer · Mystery

The Room
Shared: Singleplayer · Atmospheric · Mystery

SOMA
Shared: Horror · Psychological Horror · Atmospheric

Firewatch
Shared: Atmospheric · Adventure · Singleplayer

ROUTINE
Shared: Singleplayer · Psychological Horror · Atmospheric

MiSide
Shared: Psychological Horror · Horror · Singleplayer

The Room Three
Shared: Adventure · Singleplayer · Mystery

Garten of Banban 2
Shared: Singleplayer · Horror · Psychological Horror

Bendy and the Ink Machine
Shared: Horror · Singleplayer · First-Person

Firework
Shared: Horror · Psychological Horror · Singleplayer

Outlast 2
Shared: Horror · Psychological Horror · Singleplayer

No, I'm not a Human
Shared: Horror · Psychological Horror · Singleplayer

Amnesia: The Dark Descent
Shared: Horror · Psychological Horror · Atmospheric

Amnesia: A Machine For Pigs
Shared: Horror · Atmospheric · Psychological Horror

Mouthwashing
Shared: Horror · Psychological Horror · Atmospheric

Visage
Shared: Horror · Psychological Horror · Singleplayer