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Mahjongg Investigations: Under Suspicion

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App ID 12540
App Type Game
Developer
Publisher Ziggurat
Supported Systems
Last Changenumber 29942310
Last Record Update 8 July 2025 – 04:10:38 UTC ()
Release Date 29 July 2008 – 07:00:00 UTC ()
❓ 67.91%
35 reviews
1
In-Game

Organized crime is taking over Metro City. As a detective in the 83rd precinct you must use your Mahjongg skills to unearth clues and bring the criminals to justice. Don Diamante, the city's undisputed godfather, must be located and brought in. Collect and match evidence tiles to pinpoint perpetrators.

Additional Information

Developer Zemnott
gamedir Mahjongg Investigations Under Suspicion
metacritic_name Mahjongg Investigations: Under Suspicion
icon steam\games\icon_Mahjongg Investigations Under Suspicion
NoServers Yes
primarycache 12541
state eStateAvailable
serverbrowsername empty string
DisableOverlay Yes
developer_url http://www.zemnott.com/
Publisher Ziggurat
Store Release Date 8 August 2007 – 07:00:00 UTC ()
community_hub_visible Yes
Primary Genre Casual (4)
Store Genres Casual (4)
Steam Release Date 29 July 2008 – 07:00:00 UTC ()
Original Release Date 8 August 2007 – 07:00:00 UTC () (1186556400)
review_score 6
review_percentage 77
Detected Technologies (?) BASS SDK
Steam Deck Compatibility
  • Steam Deck:
  • This game sometimes shows mouse, keyboard, or non-Steam-Deck controller icons
  • Entering some text requires manually invoking the on-screen keyboard
  • Some in-game text is small and may be difficult to read
  • All functionality is accessible when using the default controller configuration
  • This game's default graphics configuration performs well on Steam Deck
  •  
  • SteamOS:
  • This game runs successfully on SteamOS
  • Note: Entering some text requires manually invoking the on-screen keyboard
  •  
  • category: Playable
  • steamos_compatibility: Compatible
  • test_timestamp: 8 February 2023 – 00:00:00 UTC
  • tested_build_id: 252056
  • configuration:
    supported_inputother
    requires_manual_keyboard_invoke1
    requires_non_controller_launcher_nav0
    primary_player_is_controller_slot_00
    non_deck_display_glyphs1
    small_text1
    requires_internet_for_setup0
    requires_internet_for_singleplayer0
    recommended_runtimeproton-7.0-6
    requires_h2640
    requires_voice_files0
    gamescope_frame_limiter_not_supported0
    hdr_support0
store_screenshot 0000003624.jpg
First seen on SteamDB 4 May 2013 – 20:58:57 UTC (), in changelist #132852

Supported Languages

1 Languages Interface Full Audio Subtitles
English Yes

Tags

😌 Casual 🀄 Mahjong 🧩 Puzzle

Categories

Single-player Family Sharing

Assets

Load all asset images
clienticon 13e7415b1a2a932d1ebf7f4e7088dc727613e02b
clienttga 12fdefbcdd5d2bd69c9f8929236009c073a2146b
icon 9dc565144210633ae3cb95fb60d36de584ac779e
logo d999995ccb7274de72d411a7722922445cb63d3b
logo_small 4069aadc589beace24eee2b40ba9001f3070da0a
small_capsule
englishcapsule_231x87.jpg
header_image
englishheader.jpg
Assets
small_capsulecapsule_231x87.jpg
headerheader.jpg
library_capsuleportrait.png
community_icon9dc565144210633ae3cb95fb60d36de584ac779e.jpg
page_background_pathapp/12540
timestamp3 December 2019 – 04:42:37 UTC

Steam charts

Share Compare
  • 1 players right now
  • 2 24-hour peak
  • 7 all-time peak 11 October 2016
SteamDB.info

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Store data

  • 106 followers
  • 27 positive reviews
  • 8 negative reviews
  • 77.14% positive reviews

Twitch stats

  • 0 viewers right now
  • 0 24-hour peak
  • 15 all-time peak
  •  

Owner estimations

Monthly players breakdown

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Steam hub followers history

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User reviews history

  • ❓ Mostly Positive
  • 67.91% SteamDB Rating
  • 27 77.1% positive reviews
  • 8 22.9% negative reviews

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Markers

Date Label 30-day Peak
29 July 2008 – 07:00 Steam Release -
30 June 2015 – 16:00 ⇄ Fanatical: Truckload Bundle -
2 November 2015 – 17:00 ⇄ Fanatical: Horde Bundle -

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How many players are playing Mahjongg Investigations: Under Suspicion right now on Steam?

Steam player counter indicates there are currently 1 players live playing Mahjongg Investigations: Under Suspicion on Steam.

Mahjongg Investigations: Under Suspicion had an all-time peak of 7 concurrent players on 11 October 2016.

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