Games like Veil Realm
Games like Veil Realm include Phasmophobia, Buckshot Roulette, Poppy Playtime, Garten of Banban, and Resident Evil Village. We matched them by the tags players give Veil Realm on Steam (Action, 3D, First-Person, Psychedelic, and Dark): closest matches first, and among equally close ones the better-known games.

Phasmophobia
Shared: Horror · First-Person · Psychological Horror

Buckshot Roulette
Shared: Dark · First-Person · Horror

Poppy Playtime
Shared: Horror · First-Person · Dark

Garten of Banban
Shared: First-Person · Horror · 3D

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

MiSide
Shared: First-Person · 3D · Horror

No, I'm not a Human
Shared: Horror · Psychological Horror · First-Person

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

Outlast
Shared: First-Person · Horror · Action

Outlast 2
Shared: First-Person · Horror · Dark

Alan Wake
Shared: Action · Horror · Story Rich

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

Garten of Banban 2
Shared: First-Person · Horror · 3D

Superliminal
Shared: First-Person · Psychedelic · Psychological

Five Nights at Freddy's: Security Breach
Shared: Horror · First-Person · 3D

Garten of Banban 3
Shared: First-Person · Horror · 3D

Mouthwashing
Shared: Horror · Psychological Horror · Dark

Escape the Backrooms
Shared: Horror · First-Person · 3D

SOMA
Shared: Horror · Dark · Psychological Horror

Pacify
Shared: Horror · First-Person · Dark

Resident Evil 4
Shared: Action · Horror · Dark

Garten of Banban 8: Anti Devil
Shared: First-Person · Horror · Action

Summer of '58
Shared: Horror · First-Person · 3D

Demonologist
Shared: Horror · First-Person · Dark