Games like Phantom Watcher
Games like Phantom Watcher include Buckshot Roulette, Ultimate Custom Night, Phasmophobia, Poppy Playtime, and Ready or Not. We matched them by the tags players give Phantom Watcher on Steam (Horror, Strategy, Realistic, First-Person, and Investigation): closest matches first, and among equally close ones the better-known games.

Buckshot Roulette
Shared: Horror · Strategy · First-Person

Ultimate Custom Night
Shared: Horror · Free to Play · Strategy

Phasmophobia
Shared: Horror · First-Person · Multiplayer

Poppy Playtime
Shared: Horror · First-Person · Free to Play

Ready or Not
Shared: Realistic · Horror · First-Person

Dark Deception
Shared: Horror · First-Person · Free to Play

Arena Breakout: Infinite
Shared: Realistic · Free to Play · First-Person

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

Bodycam
Shared: Realistic · Horror · First-Person

Outlast
Shared: Horror · First-Person · Singleplayer

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

CloverPit
Shared: Strategy · Horror · First-Person

SCP: 5K
Shared: Strategy · Horror · Multiplayer

R.E.P.O.
Shared: Horror · First-Person · Multiplayer

Demonologist
Shared: Horror · First-Person · Multiplayer

Resident Evil Requiem
Shared: Horror · First-Person · Realistic

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

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

Visage
Shared: Horror · First-Person · Multiplayer

Zoochosis
Shared: Realistic · Horror · 3D

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

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

Five Nights at Freddy's 2
Shared: Horror · Singleplayer · First-Person

Five Nights at Freddy's 4
Shared: Horror · First-Person · Singleplayer