Games like Department 14
Games like Department 14 include Poppy Playtime, SOMA, Outlast, Garten of Banban, and Inside the Backrooms. We matched them by the tags players give Department 14 on Steam (Horror, Puzzle, Psychological Horror, First-Person, and Logic): closest matches first, and among equally close ones the better-known games.

Poppy Playtime
Shared: Horror · Puzzle · First-Person

SOMA
Shared: Horror · Psychological Horror · Dark

Outlast
Shared: Horror · First-Person · Psychological Horror

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

Inside the Backrooms
Shared: Horror · Puzzle · Psychological Horror

Sally Face - Episode One
Shared: Psychological Horror · Horror · Puzzle

Little Nightmares II
Shared: Horror · Puzzle · Psychological Horror

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

MiSide
Shared: Psychological Horror · Horror · First-Person

Layers of Fear (2016)
Shared: Horror · Psychological Horror · First-Person

Phasmophobia
Shared: Horror · Psychological Horror · First-Person

Amnesia: The Dark Descent
Shared: Horror · Psychological Horror · Puzzle

Backrooms: Escape Together
Shared: Horror · Psychological Horror · First-Person

Buckshot Roulette
Shared: Horror · Dark · First-Person

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

Garten of Banban 2
Shared: Horror · Puzzle · First-Person

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

What Remains of Edith Finch
Shared: First-Person · Mystery · Psychological Horror

The Outlast Trials
Shared: Horror · Psychological Horror · First-Person

MADiSON
Shared: Horror · Psychological Horror · Puzzle

Little Nightmares
Shared: Horror · Puzzle · Dark

Amanda the Adventurer
Shared: Horror · Puzzle · First-Person

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

Escape the Backrooms
Shared: Horror · Psychological Horror · First-Person