Mystery Masterpiece: The Moonstone - Uncover a Victorian Diamond Heist

9/4/2026, 3:50:06 AM

Release date: 6/29/2019

Tags: #strategy #adventure #indie #casual #mouse-only #hidden-object

User Reviews

Score: 70%Mixed
Review Count: 23 reviews
Fetched At: 9/4/2026, 3:50:06 AM

Reference prices

Japan

¥ 1,050 (JPY)

Steam JP

$7.99 (USD)

Steam

Live Store Snapshot

Body text may reflect the state at publication time. For the latest sale, price, and review changes, prioritize the live price panel, review panel, and the Steam store listing.

Japan Price: ¥ 1,050
Global Price: $7.99
Price in Your Region: ¥ 1,050Prices as Steam lists them per country. What you are actually charged depends on your Steam account settings.Regional prices checked: 4 Sept 2026
Sale Status: Regular pricing
Price Checked At: 9/4/2026, 3:45:11 AM

Key highlight

Solve the mystery of the stolen Moonstone diamond in this Victorian hidden object adventure. Play as Detective Cuff, explore rooms, find clues, and identify the thief.

Who this is for

Unravel a diamond heist in a Victorian mansion with this hidden object and adventure mystery game. Step into the shoes of Detective Cuff, meticulously search rooms for clues, and bring the thief to justice.

Details

Overview

Mystery Masterpiece: The Moonstone invites players into a classic whodunnit set in a lavish Victorian mansion. The priceless Moonstone diamond has vanished, and it's up to you, playing as the sharp-witted Detective Cuff, to unravel the mystery. This hidden object adventure challenges you to meticulously search every nook and cranny of the estate, gather clues, and interrogate the suspects who were present during the crime.

Highlights

Genre Blend: Combines engaging hidden object gameplay with strategic investigation and adventure elements.
Setting & Story: Immerse yourself in a captivating Victorian era mystery, focusing on the theft of a legendary diamond.
Player Role: Step into the shoes of Detective Cuff, tasked with exploring rooms, finding clues, and identifying the culprit.

Who It's For

This game is perfect for players who enjoy classic detective stories, hidden object puzzles, and casual adventure games with a strong narrative focus. Fans of the Victorian era and intricate mysteries will find themselves right at home.

Game Info

Developed by Freeze Tag and published by HH-Games, Mystery Masterpiece: The Moonstone was released on June 29, 2019. It supports multiplayer and family sharing, and is playable with mouse-only controls. The game is available in English and German, and has received a 'Mostly Positive' reception from Steam users.