---
title: "Kohaku-iro no Yuigon"
description: "Kohakuiro no Yuigon (\"Amber Testament\") is the first in the row of detective games starring the fictional Japanese private investigator Ryūnosuke Tōdō. The even"
image: "https://t.vndb.org/cv/25/127625.jpg"
---

# Kohaku-iro no Yuigon

![Kohaku-iro no Yuigon](https://t.vndb.org/cv/25/127625.jpg)

**Alternative Title:** 琥珀色の遺言

**Aliases:** 1920 Series #1, 藤堂竜之介探偵日記 琥珀色の遺言 西洋骨牌連続殺人事件, Toudou Ryunosuke Tantei Nikki - Kohaku-iro no Yuigon - Seiyou Koppai Renzoku Satsujin Jiken, Kohakushoku no yuigon

**Developer:** Riverhill Soft inc.

**Release date:** Jun 1, 1988

**Platform:** Windows, FM7, MSX, NDS, P88, P98, PCE, X1S, X68

**Language:** Japanese, Chinese (simplified)

**Rating:** 4.5/10 (avg, 2 votes)

## Description
Kohakuiro no Yuigon ("Amber Testament") is the first in the row of detective games starring the fictional Japanese private investigator Ryūnosuke Tōdō. The events of the game take places in Japan in the year 1921, and Tōdō must investigate a mysterious murder of a rich man in his own mansion. The deceased had many relatives, and its the detective's job to find out which one of them (if any) has committed the murder.

[From [MobyGames](http://www.mobygames.com/game/td-rynosuke-tantei-nikki-kohakuiro-no-yuigon)]

## Shops
- [Official Website](http://www.amusement-center.com/project/egg/cgi/ecatalog-detail.cgi?contcode=7&product_id=1404)

## Releases
### Japanese
- **1988-06**: Kohaku-iro no Yuigon
- **1988-07**: Kohaku-iro no Yuigon - 5-inch Edition
- **1988-07**: Kohaku-iro no Yuigon - 3.5-inch Edition
- **1988-08**: Kohaku-iro no Yuigon
- **1988-11-30**: Kohaku-iro no Yuigon
- **1988-11**: Kohaku-iro no Yuigon
- **1988-12-09**: Kohaku-iro no Yuigon
- **1990-03-02**: Nazo no Masquerade
- **1990**: Toudou Ryuunosuke Tantei Nikki - Kohaku-iro no Yuigon - Seiyou Karuta Renzoku Satsujin Jiken - 98NOTE
- **1993-11-14**: LOGIN DISK&BOOK Series - Riverhill Mystery Selection - Toudou Ryuunosuke: Tantei Nikki - Kohaku-iro no Yuigon - Seiyou Karuta Renzoku Satsujin Jiken
- **1996-03-29**: Windows 95 Mystery Selection No.2 - Toudou Ryuunosuke Tantei Nikki - Kohaku-iro no Yuigon - Seiyou Karuta Renzoku Satsujin Jiken - [Official website](https://web.archive.org/web/19970119154935/http://www.riverhillsoft.co.jp/MysterySelection/kohaku/kohaku.html)
- **2000-06-30**: PC Game Best Series Vol.23 - Kohaku-iro no Yuigon
- **2002-09-01**: Kohaku-iro no Yuigon (PC-98) - [Official website](http://www.amusement-center.com/project/egg/cgi/ecatalog-detail.cgi?contcode=7&product_id=110)
- **2003-01-10**: Kohaku-iro no Yuigon (FM77AV) - [Official website](http://www.amusement-center.com/project/egg/cgi/ecatalog-detail.cgi?contcode=7&product_id=113)
- **2003-11-29**: Kohaku-iro no Yuigon (MSX2) - [Official website](http://www.amusement-center.com/project/egg/cgi/ecatalog-detail.cgi?contcode=7&product_id=115)
- **2014-12-09**: Kohaku-iro no Yuigon (X68000) - [Official website](http://www.amusement-center.com/project/egg/cgi/ecatalog-detail.cgi?contcode=7&product_id=1231)
- **2015-10-13**: Kohaku-iro no Yuigon (PC-88) - [Official website](http://www.amusement-center.com/project/egg/cgi/ecatalog-detail.cgi?contcode=7&product_id=1312)
- **2017-05-09**: Kohaku-iro no Yuigon (MSX2+) - [Official website](http://www.amusement-center.com/project/egg/cgi/ecatalog-detail.cgi?contcode=7&product_id=1404)

### Chinese (simplified)
- **2009-08-01**: Toudou Ryunosuke Zhentan Riji: Hupose de Yiyan - Xiyang Gupai Lianxu Sharen Shijian - [Official website](https://web.archive.org/web/20090906092126/http://forum.tgbus.com/viewthread.php?tid=401062&extra=page%3D1)

## Tags
Male Protagonist, Murder Mystery, No Sexual Content, Map Movement, Western-style Manor, Detective Work, Interactive Adventure Game, Private Detective Protagonist, Separate Windows

## More Games from Riverhill Soft inc.
- [Kuronekosou Souzoku Satsujin Jiken](https://pinovel.net/v26994)
- [Shirobara Renzoku Satsujin Jiken](https://pinovel.net/v33101)
- [Ookami Otoko Satsujin Jiken](https://pinovel.net/v33723)
- [Juggler Stone](https://pinovel.net/v26954)
- [J.B. Harold no Jikenbo #1 - Final Mystery - Murder Club](https://pinovel.net/v5607)
- [J.B. Harold no Jikenbo #2 - Manhattan Requiem - Yami ni Tobu Tenshi-tachi](https://pinovel.net/v14031)
- [J.B. Harold no Jikenbo - Kiss of Murder - Satsui no Kuchizuke](https://pinovel.net/v14046)
- [Kohaku-iro no Yuigon](https://pinovel.net/v9437)
- [J.B. Harold no Jikenbo 3 - D.C. Connection](https://pinovel.net/v8839)
- [Ougon no Rashinban](https://pinovel.net/v18243)
- [Kidou Keisatsu Patlabor - Griffon Hen](https://pinovel.net/v4551)
- [Refrain Love](https://pinovel.net/v4471)
- [Refrain Love 2](https://pinovel.net/v4472)

---
*View the full details at [pinovel.net/v9437](https://pinovel.net/v9437).*

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