Games like Dead Blue Rose
Games like Dead Blue Rose include Escape the Backrooms, Inside the Backrooms, Backrooms: Escape Together, Lethal Company, and We Were Here. We matched them by the tags players give Dead Blue Rose on Steam (Free to Play, Horror, Multiplayer, Survival Horror, and Psychological Horror): closest matches first, and among equally close ones the better-known games.

Escape the Backrooms
Shared: Horror · Multiplayer · Psychological Horror

Inside the Backrooms
Shared: Horror · Multiplayer · Survival Horror

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

Lethal Company
Shared: Horror · Survival Horror · Co-op

We Were Here
Shared: Free to Play · Multiplayer · Horror

Dead by Daylight
Shared: Horror · Multiplayer · Survival Horror

The Outlast Trials
Shared: Horror · Multiplayer · Survival Horror

Subnautica 2
Shared: Multiplayer · Horror · Co-op

Pacify
Shared: Horror · Multiplayer · Psychological Horror

Poppy Playtime
Shared: Horror · Free to Play · Survival Horror

Phasmophobia
Shared: Horror · Multiplayer · Psychological Horror

Outlast
Shared: Horror · Survival Horror · Psychological Horror

PEAK
Shared: Multiplayer · Co-op · Adventure

DEVOUR
Shared: Horror · Multiplayer · Survival Horror

BIGFOOT
Shared: Horror · Multiplayer · Survival Horror

Dark Deception
Shared: Free to Play · Horror · Multiplayer

Sons Of The Forest
Shared: Multiplayer · Survival Horror · Horror

Left 4 Dead 2
Shared: Multiplayer · Co-op · FPS

Nuclear Nightmare
Shared: Horror · Survival Horror · Co-op

Content Warning
Shared: Horror · Multiplayer · Exploration

Lunch Lady
Shared: Horror · Multiplayer · Survival Horror

Apex Legends™
Shared: Free to Play · Multiplayer · FPS

Ready or Not
Shared: Multiplayer · Horror · FPS

Outlast 2
Shared: Horror · Survival Horror · Psychological Horror