PCGame

√Letter - Root Letter -

A detective visual novel about a missing pen pal's past

DRAGAMI GAMES, LTD. · Released Jul 7, 2017

Adventure

Reviews
Mostly Positive
79% of 599
Recent reviews
Not enough recent
Players
0
daily peak, Oct 30, 2026
Steam Deck
Playable
Last update on Steam
9 years ago
May 30, 2017
Minimum PC
HD
2 GB RAM · 4 GB disk
Full requirements

What is √Letter - Root Letter -?

This single-player mystery visual novel takes place in rural Shimane, Japan, where a letter arriving fifteen years late links your missing pen pal to a murder. You read dialogue, explore real locations, search for clues, and present evidence during interrogations. Your choices lead to five different endings.

For you if...

  • +you enjoy revisiting stories to explore alternate outcomes

Not for you if...

  • −you want fast pacing and frequent hands-on interaction

What players say

79% of 599 reviews are positive

Players praise the central mystery, artwork, voice acting, and music. Several criticize the endings as unconvincing or disconnected from the investigation.

Screenshots and trailer

√Letter - Root Letter - screenshot 1

√Letter - Root Letter - system requirements

Minimum: HD, 2 GB RAM, 4 GB of disk space.

As published by the developer.

Can my PC run √Letter - Root Letter -?

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Minimum

OS
Windows 7
Processor
Intel Celeron G540
Graphics
Intel HD Graphics
Memory
2 GB RAM
Storage
4 GB available space
DirectX
Version 9.0c
Notes
Windows Media Player 11

Recommended

OS
Windows 7
Processor
Intel Core i5-4590
Graphics
Intel HD Graphics 4600, VRAM 2GB, 1920x1080
Memory
4 GB RAM
Storage
4 GB available space
DirectX
Version 9.0c
Notes
Windows Media Player 11

Does √Letter - Root Letter - have co-op or multiplayer?

No: single-player only, no multiplayer modes declared.

Does √Letter - Root Letter - run on Steam Deck?

Playable Playable: it runs on Steam Deck with some adjustments.

  • Default controller config not fully functional
  • Some text entry requires manually opening the on-screen keyboard
  • The native resolution is not the default one
  • Shows Steam Deck controller icons
  • In-game text is legible on Steam Deck
  • Default graphics settings perform well on Steam Deck
  • External controllers are not supported for the primary player

PC version details

DRM
None declared on Steam
Controller
Full controller support
Platforms
Windows
Achievements
26
Steam features
Cloud saves, Family Sharing, Trading cards
Languages
Full audio: Japanese. Text only: English, Traditional Chinese.

Does √Letter - Root Letter - use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 27, 2026. How to filter AI games on Steam

Tags

1 DLC available.

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