Games like Quiet Valley 2
Games like Quiet Valley 2 include Darkwood, Lethal Company, The Forest, Outlast, and Escape the Backrooms. We matched them by the tags players give Quiet Valley 2 on Steam (Adventure, Horror, Survival Horror, Exploration, and Action): closest matches first, and among equally close ones the better-known games.

Darkwood
Shared: Horror · Adventure · Survival Horror

Lethal Company
Shared: Horror · Survival Horror · Exploration

The Forest
Shared: Horror · Adventure · Survival Horror

Outlast
Shared: Horror · Survival Horror · Adventure

Escape the Backrooms
Shared: Horror · Survival Horror · Adventure

Poppy Playtime
Shared: Horror · Survival Horror · Adventure

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

SOMA
Shared: Horror · Survival Horror · Exploration

Five Nights at Freddy's: Secret of the Mimic
Shared: Horror · Adventure · Action

The Beast Inside
Shared: Adventure · Horror · Survival Horror

SILENT HILL: Townfall
Shared: Adventure · Horror · Action

Resident Evil Requiem
Shared: Survival Horror · Horror · Action

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

Inside the Backrooms
Shared: Horror · Survival Horror · Adventure

Resident Evil Village
Shared: Horror · Survival Horror · Action

SILENT HILL f
Shared: Horror · Survival Horror · Adventure

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

Pacify
Shared: Horror · Survival Horror · Exploration

Subnautica 2
Shared: Horror · Exploration · Survival Horror

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

Amnesia: Rebirth
Shared: Horror · Adventure · Exploration

The Outlast Trials
Shared: Horror · Survival Horror · Action

Backrooms: Escape Together
Shared: Horror · Survival Horror · Exploration

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