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Detective Montgomery Fox: The Case of Diamond Necklace

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App ID 2497510
App Type Game
Developer
Publisher Cateia Games
Franchise Detective Montgomery Fox
Supported Systems Windows macOS Linux
Technologies Unity Engine
Last Changenumber 31879206
Last Record Update 24 October 2025 – 09:55:57 UTC ()
Release Date 22 August 2023 – 10:06:09 UTC ()
❓ 69.20%
4 reviews
0
In-Game
🗺️ Adventure 😌 Casual 🧩 Puzzle 🔍 Hidden Object 🏽 2D

The Case of the Diamond Necklace calls a famous city detective, Montgomery Fox, to the countryside to solve the mystery in this Hidden Object Puzzle Adventure Game!

Steam price history

Current Price $9.99
Lowest Recorded Price $2.99 at -70% 21 November 2023
Currency Current Price Converted Price Lowest Recorded Price
U.S. Dollar $9.99 $9.99 $2.99 $2.99 at -70%
Russian Ruble 385 ₽ $4.83 -51.60% $1.44 115 ₽ at -70%
Ukrainian Hryvnia 225₴ $5.38 -46.12% $1.60 67₴ at -70%
Kazakhstani Tenge 2900₸ $5.38 -46.09% $1.61 870₸ at -70%
Vietnamese Dong 142000₫ $5.39 -45.96% $1.61 42500₫ at -70%
Indian Rupee ₹ 480 $5.46 -45.29% $1.63 ₹ 144 at -70%
Indonesian Rupiah Rp 90999 $5.47 -45.15% $1.64 Rp 27299 at -70%
South Asia - USD $5.49 $5.49 -45.05% $1.64 $1.64 at -70%
Philippine Peso ₱335.00 $5.70 -42.93% $1.71 ₱100.50 at -70%
LATAM - U.S. Dollar $5.79 $5.79 -42.04% $2.60 $2.60 at -55%
MENA - U.S. Dollar $5.79 $5.79 -42.04% $2.60 $2.60 at -55%
South African Rand R 100.00 $5.79 -42.01% $1.73 R 30.00 at -70%
Chinese Yuan ¥ 42 $5.89 -40.97% $1.76 ¥ 12.60 at -70%
Saudi Riyal 22.49 SR $5.99 -39.97% $1.79 6.74 SR at -70%
Taiwan Dollar NT$ 188 $6.09 -39.00% $1.81 NT$ 56 at -70%
Chilean Peso CLP$ 5750 $6.10 -38.89% $1.83 CLP$ 1725 at -70%
Brazilian Real R$ 32,99 $6.12 -38.73% $1.83 R$ 9,89 at -70%
CIS - U.S. Dollar $6.29 $6.29 -37.04% $1.88 $1.88 at -70%
Malaysian Ringgit RM26.75 $6.33 -36.61% $1.89 RM8.02 at -70%
Kuwaiti Dinar 1.95 KD $6.35 -36.34% $1.89 0.58 KD at -70%
Colombian Peso COL$ 26000 $6.69 -32.96% $2.00 COL$ 7800 at -70%
Mexican Peso Mex$ 123.99 $6.71 -32.75% $2.01 Mex$ 37.19 at -70%
Thai Baht ฿220.00 $6.73 -32.55% $2.02 ฿66.00 at -70%
Peruvian Sol S/.23.00 $6.79 -31.98% $2.03 S/.6.90 at -70%
Qatari Riyal 24.99 QR $6.86 -31.30% $2.05 7.49 QR at -70%
South Korean Won ₩ 11000 $7.64 -23.48% $2.29 ₩ 3300 at -70%
Singapore Dollar S$10.00 $7.69 -22.95% $2.30 S$3.00 at -70%
Uruguayan Peso $U310 $7.77 -22.17% $2.33 $U93 at -70%
Japanese Yen ¥ 1200 $7.85 -21.39% $2.35 ¥ 360 at -70%
U.A.E. Dirham 29.00 AED $7.89 -20.97% $2.36 8.70 AED at -70%
New Zealand Dollar NZ$ 14.75 $8.47 -15.12% $2.54 NZ$ 4.42 at -70%
Hong Kong Dollar HK$ 66.00 $8.49 -14.97% $2.54 HK$ 19.80 at -70%
Costa Rican Colon ₡4600 $9.15 -8.31% $2.74 ₡1380 at -70%
Canadian Dollar CDN$ 12.99 $9.27 -7.15% $2.77 CDN$ 3.89 at -70%
Australian Dollar A$ 14.50 $9.44 -5.50% $2.83 A$ 4.35 at -70%
Norwegian Krone 110,00 kr $10.98 +9.92% $3.29 33,00 kr at -70%
Israeli New Shekel ₪36.95 $11.24 +12.59% $3.37 ₪11.08 at -70%
British Pound £8.50 $11.31 +13.21% $3.39 £2.55 at -70%
Euro 9,75€ $11.33 +13.46% $3.39 2,92€ at -70%
Polish Zloty 45,99zł $12.59 +26.10% $3.77 13,79zł at -70%
Swiss Franc CHF 10.99 $13.81 +38.25% $4.13 CHF 3.29 at -70%
Valve suggested prices are shown on package pages.

Price history

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Click on a currency name to load price history for that particular currency.
View lowest recorded prices on Steam store pages by using our browser extension.

Additional Information

Developer Cateia Games
community_visible_stats Yes
ReleaseState released
Publisher Cateia Games
Store Release Date 22 August 2023 – 10:06:11 UTC ()
osarch empty string
community_hub_visible Yes
Primary Genre Adventure (25)
Store Genres Adventure (25), Casual (4), Indie (23)
Steam Release Date 22 August 2023 – 10:06:09 UTC ()
Store Asset Modification Time 24 July 2023 – 12:50:16 UTC () (1690203016)
library_assets
library_capsuleen
library_heroen
library_logoen
logo_position ↴
pinned_positionBottomLeft
width_pct70.82379862700229
height_pct75.45592587104376
osextended macos64,macosapplesilicon,macosnotarized
Detected Technologies (?) Unity Engine, SteamworksNET SDK, UnityBurst SDK
Steam Deck Compatibility
  • Steam Deck:
  • Valve is still working on adding support for this game on Steam Deck
  •  
  • SteamOS:
  • Valve is still working on adding support for this game on SteamOS
  •  
  • category: Unsupported
  • steamos_compatibility: Unsupported
  • test_timestamp: 5 January 2024 – 00:00:00 UTC
  • tested_build_id: 12731632
  • configuration:
    supported_inputother
    requires_manual_keyboard_invoke1
    requires_non_controller_launcher_nav0
    primary_player_is_controller_slot_00
    non_deck_display_glyphs1
    small_text0
    requires_internet_for_setup0
    requires_internet_for_singleplayer0
    recommended_runtimenative
    requires_h2640
    requires_voice_files0
    gamescope_frame_limiter_not_supported0
    hdr_support0
First seen on SteamDB 30 June 2023 – 09:59:06 UTC (), in changelist #19361447

Supported Languages

4 Languages Interface Full Audio Subtitles
English Yes Yes Yes
French Yes Yes
German Yes Yes
Dutch Yes Yes

Assets

Load all asset images
clienticon 1f319c5422688a687b7470a401b94f7e5ca7b7c4
clienttga 38bc301e80a535fbff55c644f4d96fb76bb1c413
icon 9e44d8b3b885e2a4f4f0378cc12632fba096b636
clienticns 56143aec61d7acd838f88bd147663c674a8d8481
LinuxClientIcon 3269a36596d12a19dcae0a36b45ad830ae95e482
small_capsule
englishcapsule_231x87.jpg
header_image
englishheader.jpg
library_assets_full
library_capsule ↴
image/englishlibrary_600x900.jpg
image2x/englishlibrary_600x900_2x.jpg
library_hero ↴
image/englishlibrary_hero.jpg
image2x/englishlibrary_hero_2x.jpg
library_logo ↴
image/englishlogo.png
image2x/englishlogo_2x.png
logo_position/pinned_positionBottomLeft
logo_position/width_pct70.82379862700229
logo_position/height_pct75.45592587104376
Assets
main_capsulecapsule_616x353.jpg
small_capsulecapsule_231x87.jpg
headerheader.jpg
page_backgroundpage_bg_generated_v6b.jpg
hero_capsulehero_capsule.jpg
library_capsulelibrary_600x900.jpg
library_capsule_2xlibrary_600x900_2x.jpg
library_herolibrary_hero.jpg
library_hero_2xlibrary_hero_2x.jpg
community_icon9e44d8b3b885e2a4f4f0378cc12632fba096b636.jpg
page_background_pathapp/2497510
raw_page_backgroundpage_bg_raw.jpg
timestamp9 October 2025 – 10:57:23 UTC

Trailer 590440 ↴

trailer_name Montgomery Fox Trailer
trailer_category 1
trailer_480p ↴
video/webm 256959838/movie480_vp9.webm
video/mp4 256959838/movie480.mp4
trailer_max ↴
video/webm 256959838/movie_max_vp9.webm
video/mp4 256959838/movie_max.mp4
microtrailer ↴
video/webm 2497510/590440/34374e7c7b3e2251e44b35948cb5ea8ac1080099/1750925185/microtrailer.webm
video/mp4 2497510/590440/34374e7c7b3e2251e44b35948cb5ea8ac1080099/1750925185/microtrailer.mp4
adaptive_trailers ↴
dash_av1 2497510/590440/34374e7c7b3e2251e44b35948cb5ea8ac1080099/1750925185/dash_av1.mpd
dash_h264 2497510/590440/34374e7c7b3e2251e44b35948cb5ea8ac1080099/1750925185/dash_h264.mpd
hls_h264 2497510/590440/34374e7c7b3e2251e44b35948cb5ea8ac1080099/1750925185/hls_264_master.m3u8
screenshot_medium 256959838/movie.293x165.jpg
screenshot_full 256959838/movie_full.jpg
all_ages true
is_highlight true
timestamp 5 August 2023 – 11:06:11 UTC
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