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Games like DEAD LETTER DEPT. | IndieDex

DEAD LETTER DEPT.
Games like DEAD LETTER DEPT.

Find the Steam hidden gems

single-players with secrets you find without a guideor

Games like DEAD LETTER DEPT.

A short (~3–4 hour) atmospheric horror game about transcribing lost mail, where typing busywork gives way to creeping oddities and a Silent Hill–inspired mystery.

Letter Lost
A single-player adventure about sorting mail at a cozy-yet-eerie island post office, with branching choices and a long, mystery-driven story.
2026-06-10
- First person
- Horror

Indie

Mystery

Thank You For Your Application cover art

Thank You For Your Application

A compact, story-driven interview simulation about screening resumes and sending thank-you letters in a bleak corporate world, with engaging paperwork gameplay but a story that reviewers find lacking in humanity.

2026-06-19

Science fiction
Indie
Simulator
Role-playing (RPG)

Inhuman Resources: A Literary Machination cover art

Inhuman Resources: A Literary Machination

A darkly satirical interactive fiction RPG about corporate conspiracies and horrors, with a tight ~4-hour narrative shaped by reader choices.

2025-04-16

Puzzle
Thriller
Adventure
Horror
Indie
Text
Role-playing (RPG)
Mystery
Visual Novel

Overtime Anomaly cover art

Overtime Anomaly

A short 1980s-set psychological horror game about reporting office anomalies while completing your daily work tasks.

2025-03-28

First person
Adventure
Horror
Indie

Dyping Escape cover art

Dyping Escape

A short under-two-hour single-player typing adventure in which a mysterious eyeball's instructions become reality, turning a simple exercise into unsettling psychological horror.

2026-03-13

Adventure
Horror
Indie

Office After Hours cover art

Office After Hours

A ~3-hour single-player adventure where you spot anomalies and uncover clues to escape a strange office, blending psychological horror with humor.

2025-06-02

First person
Adventure
Horror
Indie
Simulator
Business

[Chilla's Art] The Closing Shift | 閉店事件 cover art

[Chilla's Art] The Closing Shift | 閉店事件

A short Japanese horror game that turns a mundane closing shift into a creeping, tense supernatural experience.

2022-03-18

Action
First person
Adventure
Horror
Strategy
Indie
Simulator

The Green Light cover art

The Green Light

A short, eerie first-person horror walking sim about a haunted man following a radio voice toward a mysterious green light and self-discovery.

2026-01-29

First person
Adventure
Horror
Indie
Mystery

The Mortuary Assistant cover art

The Mortuary Assistant

A first-person horror sim about embalming corpses and banishing demons in a dark, atmospheric mortuary, with a methodical rhythm punctuated by genuine scares.

2022-08-02

First person
Puzzle
Thriller
Adventure
Horror
Indie
Simulator
Mystery

Shift 87 cover art

Shift 87

A compact single-player psychological horror walking simulator where you memorize environments and spot subtle anomalies, with a spooky but occasionally humorous tone.

2024-07-23

First person
Puzzle
Thriller
Adventure
Horror
Indie
Simulator
Mystery

enJoyTyping cover art

enJoyTyping

A brief typing game framed as a job interview, with an eerie but non-scary tone and minor technical quirks.

2022-05-27

Indie

HWTC: Happy Worker Tool Company cover art

HWTC: Happy Worker Tool Company

A dark psychological simulation about packing boxes in a communist dystopia, offering a short, thoroughly unnerving experience.

2025-11-21

Indie
Simulator