Games like Black Cat
Games like Black Cat include Outlast, Outlast 2, Little Nightmares II, Poppy Playtime, and Resident Evil Village. We matched them by the tags players give Black Cat on Steam (Adventure, Action, Action-Adventure, Interactive Fiction, and Idler): closest matches first, and among equally close ones the better-known games.

Outlast
Shared: First-Person · Horror · Atmospheric

Outlast 2
Shared: Horror · First-Person · Psychological Horror

Little Nightmares II
Shared: Adventure · Horror · Atmospheric

Poppy Playtime
Shared: Horror · First-Person · Adventure

Resident Evil Village
Shared: Action · First-Person · Horror

Bendy and the Dark Revival
Shared: Action · Adventure · Horror

A Plague Tale: Requiem
Shared: Adventure · Action · Action-Adventure

The Beast Inside
Shared: Adventure · Action · Horror

Resident Evil 7 Biohazard
Shared: Horror · First-Person · Action

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

Darkwood
Shared: Adventure · Action · Horror

Hello Neighbor 2
Shared: Adventure · Action-Adventure · First-Person

SILENT HILL: Townfall
Shared: Adventure · Action · Horror

Amnesia: The Dark Descent
Shared: Horror · Adventure · First-Person

SOMA
Shared: Horror · Atmospheric · Psychological Horror

Resident Evil Requiem
Shared: Action · Horror · Action-Adventure

Atomic Heart
Shared: Adventure · Action · Action-Adventure

Clive Barker's Hellraiser: Revival
Shared: Action · Adventure · Horror

Amnesia: Rebirth
Shared: Action-Adventure · Adventure · First-Person

We Happy Few
Shared: Adventure · Action · First-Person

Total Chaos
Shared: Action · Adventure · Action-Adventure

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

The Forest
Shared: Adventure · Horror · Action

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