Games like Tape 101: Liminal Descent
Games like Tape 101: Liminal Descent include POOLS, Layers of Fear (2016), Outlast, SOMA, and Firewatch. We matched them by the tags players give Tape 101: Liminal Descent on Steam (Horror, Psychological Horror, Atmospheric, Walking Simulator, and Realistic): closest matches first, and among equally close ones the better-known games.

POOLS
Shared: Psychological Horror · Atmospheric · Walking Simulator

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

Outlast
Shared: Horror · Atmospheric · Psychological Horror

SOMA
Shared: Horror · Psychological Horror · Atmospheric

Firewatch
Shared: Atmospheric · Walking Simulator · First-Person

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

Dreamcore
Shared: Psychological Horror · Walking Simulator · Exploration

The Exit 8
Shared: Horror · Walking Simulator · Exploration

Visage
Shared: Horror · Psychological Horror · Atmospheric

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

Mouthwashing
Shared: Horror · Psychological Horror · Atmospheric

The Cabin Factory
Shared: Horror · Psychological Horror · Walking Simulator

Scanner Sombre
Shared: Horror · Walking Simulator · Atmospheric

Subliminal
Shared: Psychological Horror · Realistic · Atmospheric

Escape the Backrooms
Shared: Horror · Psychological Horror · First-Person

MiSide
Shared: Psychological Horror · Horror · Atmospheric

Backrooms: Escape Together
Shared: Horror · Psychological Horror · Atmospheric

Lethal Company
Shared: Horror · First-Person · Psychological Horror

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

Fears to Fathom - Ironbark Lookout
Shared: Horror · Psychological Horror · Atmospheric

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

Poppy Playtime
Shared: Horror · Psychological Horror · Singleplayer

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

The Complex: Expedition
Shared: Horror · Psychological Horror · Realistic