Games like Unknown Tapes
Games like Unknown Tapes include SOMA, Firewatch, What Remains of Edith Finch, Lethal Company, and Amnesia: A Machine For Pigs. We matched them by the tags players give Unknown Tapes on Steam (Horror, Dinosaurs, Exploration, First-Person, and Walking Simulator): closest matches first, and among equally close ones the better-known games.

SOMA
Shared: Horror · Psychological Horror · Exploration

Firewatch
Shared: Walking Simulator · First-Person · Exploration

What Remains of Edith Finch
Shared: Walking Simulator · First-Person · Exploration

Lethal Company
Shared: Horror · First-Person · Exploration

Amnesia: A Machine For Pigs
Shared: Horror · Walking Simulator · First-Person

Still Wakes the Deep
Shared: Horror · Psychological Horror · First-Person

Layers of Fear (2016)
Shared: Horror · Psychological Horror · First-Person

Outlast
Shared: Horror · First-Person · Psychological Horror

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

Mouthwashing
Shared: Horror · Psychological Horror · Story Rich

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

The Beast Inside
Shared: Horror · First-Person · Psychological Horror

The Exit 8
Shared: Exploration · Horror · Walking Simulator

Outer Wilds
Shared: Exploration · Story Rich · Horror

Five Nights at Freddy's: Security Breach
Shared: Horror · First-Person · Exploration

MiSide
Shared: Horror · Psychological Horror · First-Person

The Forest
Shared: Horror · First-Person · Exploration

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

The Outlast Trials
Shared: Horror · First-Person · Psychological Horror

Crimson Snow (2023)
Shared: Horror · Exploration · First-Person

The Park®
Shared: Horror · First-Person · Walking Simulator

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

ROUTINE
Shared: Psychological Horror · Horror · First-Person

Summer of '58
Shared: Horror · Walking Simulator · First-Person