Games like Deranged
Games like Deranged include Five Nights at Freddy's: Security Breach, Outer Wilds, Firewatch, MiSide, and Little Nightmares II. We matched them by the tags players give Deranged on Steam (Horror, Adventure, Singleplayer, 3D, and Exploration): closest matches first, and among equally close ones the better-known games.

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

Outer Wilds
Shared: Exploration · Adventure · Story Rich

Firewatch
Shared: Adventure · Story Rich · Singleplayer

MiSide
Shared: Horror · Story Rich · Singleplayer

Little Nightmares II
Shared: Horror · Adventure · Singleplayer

Clair Obscur: Expedition 33
Shared: Story Rich · Singleplayer · Adventure

Escape the Backrooms
Shared: Horror · Adventure · Exploration

Little Nightmares
Shared: Horror · Adventure · Singleplayer

Tomb Raider Game of the Year
Shared: Adventure · Singleplayer · Story Rich

Subnautica
Shared: Horror · Exploration · Singleplayer

Fallout 4
Shared: Singleplayer · Adventure · Exploration

Stray
Shared: Adventure · Singleplayer · Exploration

Metro Exodus
Shared: Singleplayer · Horror · Story Rich

God of War
Shared: Singleplayer · Adventure · Story Rich

SILENT HILL 2
Shared: Horror · Story Rich · Singleplayer

Rise of the Tomb Raider™
Shared: Adventure · Singleplayer · Exploration

SOMA
Shared: Horror · Story Rich · Exploration

The Forest
Shared: Horror · Adventure · Exploration

Crimson Desert Enhanced
Shared: Singleplayer · Adventure · Exploration

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

Hogwarts Legacy
Shared: Singleplayer · Adventure · Exploration

The Complex: Expedition
Shared: Horror · Singleplayer · Exploration

Subnautica: Below Zero
Shared: Singleplayer · Horror · Exploration

The Room 4: Old Sins
Shared: Adventure · Singleplayer · Horror