Games like The Meaning
Games like The Meaning include Mouthwashing, Layers of Fear (2016), No, I'm not a Human, SOMA, and Outlast. We matched them by the tags players give The Meaning on Steam (Horror, Psychological Horror, 1990's, Walking Simulator, and Atmospheric): closest matches first, and among equally close ones the better-known games.

Mouthwashing
Shared: Horror · Psychological Horror · Atmospheric

Layers of Fear (2016)
Shared: Horror · Psychological Horror · Walking Simulator

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

SOMA
Shared: Horror · Psychological Horror · Atmospheric

Outlast
Shared: Horror · Psychological Horror · Atmospheric

Poppy Playtime
Shared: Horror · Psychological Horror · Dark

What Remains of Edith Finch
Shared: Walking Simulator · Atmospheric · Mystery

Amnesia: A Machine For Pigs
Shared: Horror · Walking Simulator · Psychological Horror

Garten of Banban
Shared: Horror · Psychological Horror · First-Person

Phasmophobia
Shared: Horror · Psychological Horror · Dark

Bad Parenting 1: Mr. Red Face
Shared: Horror · Psychological Horror · Walking Simulator

Fears to Fathom - Woodbury Getaway
Shared: Psychological Horror · Horror · 1990's

DON'T SCREAM
Shared: Horror · Psychological Horror · Atmospheric

Firewatch
Shared: Atmospheric · Walking Simulator · Mystery

Buckshot Roulette
Shared: Horror · Dark · Psychological Horror

Summer of '58
Shared: Horror · Psychological Horror · Atmospheric

Still Wakes the Deep
Shared: Horror · Psychological Horror · Walking Simulator

Visage
Shared: Horror · Psychological Horror · Dark

From The Darkness
Shared: Horror · Psychological Horror · Dark

Psalm 5:9-13
Shared: Horror · Psychological Horror · Walking Simulator

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

Outlast 2
Shared: Horror · Psychological Horror · Atmospheric

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

Slender: The Arrival
Shared: Horror · Psychological Horror · Indie