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Games like √Letter - Root Letter - | IndieDex

√Letter - Root Letter -
Games like √Letter - Root Letter -

Find the Steam hidden gems

single-players with secrets you find without a guideor

Games like √Letter - Root Letter -

A reflective mystery visual novel where 15-year-old letters guide a murder investigation in Japan, with multiple endings and a roughly 18-hour runtime.

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

Letters From a Rainy Day -Oceans and Lace- cover art

Letters From a Rainy Day -Oceans and Lace-

A bittersweet single-player yuri adventure romance in Kamakura, with a median reviewer playtime of about 8.5 hours.

2021-06-29

Adventure
Text
Romance
Visual Novel

The Chrono Jotter cover art

The Chrono Jotter

A roughly 12-hour yuri visual novel about time-rewinding murder investigations and psychological horror in a high school death game, with word-puzzle gameplay and very positive reviews.

2021-08-25

Adventure
Horror
Fantasy
Indie
Text
Drama
Visual Novel

The Shell Part II: Purgatorio cover art

The Shell Part II: Purgatorio

A long 1950s detective visual novel: Reiji Tokisaka investigates a centuries-spanning cult mystery with branching routes, body horror, and a slow, intricate narrative of roughly 50-60 hours.

2024-04-18

Thriller
Adventure
Horror
Simulator
Text
Mystery
Point-and-click
Drama
Visual Novel

9-nine-:Episode 1 cover art

9-nine-:Episode 1

An episodic, single-player supernatural murder-mystery visual novel with a ~10-hour story about hunting a superpowered serial killer, featuring casual downtime and a polished art style.

2019-01-31

Fantasy
Side view
Simulator
Text
Mystery
Romance
Visual Novel
Erotic

The Centennial Case : A Shijima Story cover art

The Centennial Case : A Shijima Story

A single-player FMV mystery-adventure across 1920s, 1970s, and 2020s Japan, blending branching choices with a praised narrative and tedious puzzles.

2022-05-12

Adventure
Historical
Mystery

Staffer Case: A Supernatural Mystery Adventure cover art

Staffer Case: A Supernatural Mystery Adventure

A ~20-hour supernatural mystery adventure where players arrange clues into case files and spot contradictions, pacing like a faster Ace Attorney.

2023-04-30

Adventure
Text
Mystery
Drama
Visual Novel

Flowers -Le volume sur ete- cover art

Flowers -Le volume sur ete-

A gentle 16-hour visual novel following Erika through a summer of friendship, yuri romance, and a multiple-route mystery at an all-girls academy.

2018-07-26

Adventure
Text
Mystery
Romance
Visual Novel

Raging Loop cover art

Raging Loop

A lengthy, choice-driven visual novel about a werewolf death game in a Japanese village, blending psychological horror and mythology with multiple endings.

2017-08-23

Adventure
Horror
Indie
Side view
Text
Mystery
Visual Novel

BUSTAFELLOWS cover art

BUSTAFELLOWS

A noir otome visual novel mixing murder mystery with romance and time travel, featuring a female protagonist and well-written routes across a roughly 25-hour story.

2021-07-30

First person
Thriller
Text
Mystery
Romance
Visual Novel

The Letter - Horror Visual Novel cover art

The Letter - Horror Visual Novel

A branching psychological horror visual novel about seven cursed people, mixing narrative choices with quick-time events; reviewers report a median of about four hours.

2017-07-24

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

Kugayama Shiori's Death Diary cover art

Kugayama Shiori's Death Diary

A roughly ten-hour single-player mystery visual novel blending horror and occult comedy, following a ghost who repeatedly dies while searching for the truth behind her death, with a funny, moving story and charming presentation.

2026-04-29

Adventure
Text
Drama
Visual Novel