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Staffer Case: A Supernatural Mystery Adventure

Game overview

Staffer Case: A Supernatural Mystery Adventure

Staffer Case is a new sort of mystery game, asking players to find clues, arrange them into documents, and point out the contradictions between them to solve a series of murders. Each mystery unraveled leads you closer to the truth lying at the heart of each case!

Detective Story Rich Mystery Atmospheric Visual Novel
Last tracked players
34
Recorded peak
239
24-hour change
Unavailable
Steam reviews
94.6% positive
3,187 reviews · via SteamSpy

Delayed observation · last tracked . Values marked unavailable are not estimated. Recorded peak is the highest player count observed by SteamIQHQ; earlier records may be outside our coverage.

About this game Read the full description

Play Cases 1 & 2 for free today!
Streaming allowed for all cases in the main game!



Staffer Case is a new sort of mystery game, asking players to find clues, arrange them into documents, and point out the contradictions between them to solve a series of murders.

The game is set in a fictional version of London in the 1960s where 10% of all residents have some sort of supernatural ability. In this city, incidents involving staffers, the people who have these abilities, are constantly occurring.

Players take the role of the Mana Affairs Division's newest detective, Notrick, in order to make sense of these incidents. Since the tricks buried within these staffer cases, at their core, revolve around the supernatural abilities of these criminals, conventional investigative methods won't be enough to solve them. Instead, players will have to rely on the documents that explain what their suspects' abilities entail in order to make sense of everything.



Fortunately, it's not only the criminals who have these supernatural abilities.
All of Notrick's fellow detectives at the Mana Affairs Division are also staffers (Excepting gumshoe Notrick himself, of course!). The senior detectives use their supernatural abilities to investigate the crime scenes and organize their findings into documents.

Testimonies that account for emotional distress, invisible trace that tells when evidence was left, even memories that remain in objects—find contradictions using the various clues at your disposal!

Each mystery unraveled leads you closer to the truth lying at the heart of each case!

Solve five cases involving supernatural powers!
Play through two substories that delve into the characters' backstories and personalities!



[Case 1 : Backstage]
Notrick, an assistant from a small town detective agency, receives a letter from the Pheno-mana Bureau and heads off to London.



[Case 2 : Pet Shop]
Creechers: the mutated results of Pheno-mana.
An incident occurs at a creecher breeding facility.



[Case 3 : The Wizard's Room]
Staff: tools that exist with mysterious powers.
The body of a famous staff collector was found sliced in half, vertically.



[Case 4 : Mistletoe]
Oppenheimer: the threat level applied to Pheno-mana as dangerous as atomic bombs.
In the basement of the Bureau lies a facility that houses these Oppenheimers.



[Case 5 : ???]
Present events, past events, and the truth that lies beyond...

[Game Streaming Guide]

Staffer Case is free to stream, regardless of length of stream, as long as the contents don't include the following:

  • Modifying the game code or doctoring of the game contents through reverse engineering, hacking, or other means.
  • Plans to undermine the story of the game by distorting the main storyline or using broadcasting centered around gore or adult themes.
  • Claiming to be an officially sanctioned stream without prior consultation with the dev team.

The following content is not mandatory to include, but would be greatly appreciated:

  • We would be grateful if you could let us know your plans to stream on our official Discord channel.
  • If you could introduce the game information or URL in the introduction of your broadcast, that would be of great help to our team.
  • Official SNS hashtag is #StafferSeries #StafferCase

Player activity

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Price history

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Staffer Retro : A Supernatural Mystery Quest is Out Now! Staffer Retro D-2: Final Trailer Revealed! Steam Summer Sale: 42% Off Staffer Case!
System requirements Windows · macOS

Windows

Minimum

Minimum:
  • Requires a 64-bit processor and operating system
  • OS: Windows 10
  • Processor: Intel I3 2.0Ghz +
  • Memory: 4 GB RAM
  • Graphics: DirectX 11 capable GPU
  • DirectX: Version 11
  • Storage: 6 GB available space

Recommended

Recommended:
  • Requires a 64-bit processor and operating system

macOS

Minimum

Minimum:
  • OS: High Sierra 10.13 +
  • Processor: Apple M1 or Intel I5 1.4Ghz +
  • Memory: 4 GB RAM
  • Graphics: Intel HD Graphics 5000 +
  • Storage: 3 GB available space

Recommended

Recommended:
    Game details Languages, features & support
    Publisher
    Team Tetrapod
    Brazilian rating
    14
    Steam Germany rating
    16
    Achievements
    10
    Controller support
    full
    Features
    Single-player, Steam Achievements, Full controller support, Steam Trading Cards, Steam Cloud, Family Sharing
    Languages
    Korean, English, Japanese*, Simplified Chinese, Traditional Chinese
    *languages with full audio support
    Compatibility & accessibility Steam Deck, controllers & access features

    Can I Play This?

    Steam declarations and Valve's Steam Deck compatibility result. Missing data is shown as unknown, never unsupported.

    Some source data is stale
    Native Steam builds
    Windows: unknown
    macOS: unknown
    Linux: unknown
    Steam Deck
    verified
    Valve compatibility test
    Input
    Controller support: unknown
    Structured language support (5)
    LanguageInterfaceFull audioSubtitles
    EnglishYesNoYes
    KoreanYesNoYes
    JapaneseYesYesYes
    Simplified ChineseYesNoYes
    Traditional ChineseYesNoYes
    Steam store page stale · checked 2026-09-03 PCGamingWiki technical notes External link only; SteamIQHQ does not ingest PCGamingWiki content.
    More analysis Activity patterns, updates & developer tools

    Build a competitor report

    Genre Benchmarks

    Player Count Top 31%
    Value Ratio Top 5%

    Activity Heatmap

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    Developer Analytics

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    Frequently Asked Questions

    What is the recorded Steam price for Staffer Case: A Supernatural Mystery Adventure?
    The last observed Steam price for Staffer Case: A Supernatural Mystery Adventure is $9.00. Check Steam for current pricing and availability.
    What genre is Staffer Case: A Supernatural Mystery Adventure?
    Staffer Case: A Supernatural Mystery Adventure is a Adventure game.
    Who developed Staffer Case: A Supernatural Mystery Adventure?
    Staffer Case: A Supernatural Mystery Adventure was developed by Team Tetrapod and published by Team Tetrapod.
    What platforms does Staffer Case: A Supernatural Mystery Adventure support?
    Available on Steam for Windows, macOS.

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