Games like V.I.P Client
Games like V.I.P Client include Outlast, Poppy Playtime, Outlast 2, Visage, and Little Nightmares. We matched them by the tags players give V.I.P Client on Steam (Horror, Survival Horror, Dark, Atmospheric, and Adventure): closest matches first, and among equally close ones the better-known games.

Outlast
Shared: Horror · Survival Horror · Atmospheric

Poppy Playtime
Shared: Horror · Survival Horror · Singleplayer

Outlast 2
Shared: Horror · Survival Horror · Dark

Visage
Shared: Horror · Survival Horror · Dark

Little Nightmares
Shared: Horror · Atmospheric · Adventure

Resident Evil Village
Shared: Horror · Survival Horror · Singleplayer

Slender: The Arrival
Shared: Horror · Survival Horror · Dark

Resident Evil 7 Biohazard
Shared: Horror · Survival Horror · Atmospheric

SOMA
Shared: Horror · Atmospheric · Dark

Choo-Choo Charles
Shared: Survival Horror · Horror · Singleplayer

From The Darkness
Shared: Horror · Dark · Survival Horror

Five Nights at Freddy's
Shared: Horror · Survival Horror · Singleplayer

Five Nights at Freddy's: Security Breach
Shared: Horror · Survival Horror · Singleplayer

Bendy and the Ink Machine
Shared: Horror · Survival Horror · Singleplayer

Blair Witch
Shared: Horror · Adventure · Dark

Bendy and the Dark Revival
Shared: Horror · Survival Horror · Singleplayer

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

Amnesia: The Dark Descent
Shared: Horror · Survival Horror · Atmospheric

Among the Sleep - Enhanced Edition
Shared: Horror · Atmospheric · Adventure

Resident Evil Requiem
Shared: Survival Horror · Horror · Singleplayer

Little Nightmares II
Shared: Horror · Adventure · Dark

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

The Beast Inside
Shared: Horror · Survival Horror · Adventure

Penumbra Overture
Shared: Horror · Survival Horror · Adventure