PCGame

Staffer Case: A Supernatural Mystery Adventure

Detective visual novel solving supernatural murders by comparing case documents

Team Tetrapod · Released Apr 30, 2023

Adventure

Reviews
Very Positive
94% of 4,307
Recent reviews
Very Positive
87% of 48 in 30 days
Players
92
daily peak, Nov 7, 2026
Steam Deck
Verified
Last update on Steam
1 week ago
Oct 26, 2026
Minimum PC
DirectX 11 GPU
4 GB RAM · 6 GB disk
Full requirements

What is Staffer Case: A Supernatural Mystery Adventure?

You play Notrick, a detective without supernatural powers, investigating five murder cases in a fictional 1960s London where some residents have them. You arrange clues into documents and compare testimony and descriptions of suspects’ abilities to find contradictions.

For you if...

  • +you enjoy reasoning through clues in story-driven mysteries
  • +you like supernatural powers shaping murder cases
  • +you value character stories that develop across cases

Not for you if...

  • −you prefer action to reading and comparing evidence
  • −you want mysteries without supernatural powers shaping the crimes

What players say

94% of 4,307 reviews are positive · 87% of 48 in the last 30 days

Players praise the deductions, the use of supernatural abilities in the mysteries, and the characters and larger story. Some find the deductions too easy or restrictive, and others criticize repetitive or stiff dialogue.

Players over time

▲ +111% vs a month ago

Players online on Steam, one sample a day.

Highest since Sep 2026: 119 players on Nov 1, 2026.

Show the data
DayPlayers
Nov 7, 202692
Nov 6, 202646
Nov 5, 202646
Nov 4, 202645
Nov 3, 2026101
Nov 2, 202670
Nov 1, 2026119
Oct 31, 202690
Oct 30, 202645
Oct 29, 202640
Oct 28, 202640
Oct 27, 202618
Oct 26, 202622
Oct 25, 202642
Oct 24, 202628
Oct 23, 202621
Oct 22, 202618
Oct 21, 202620
Oct 20, 202622
Oct 18, 202640
Oct 17, 202632
Oct 16, 202616
Oct 15, 202616
Oct 14, 202624
Oct 13, 202623
Oct 11, 202652
Oct 10, 202643
Oct 9, 202635
Oct 8, 202628
Oct 7, 202639
Oct 6, 202641
Oct 4, 202660
Oct 3, 202636
Oct 2, 202620
Oct 1, 202622
Sep 30, 202616
Sep 29, 202620
Sep 27, 202655
Sep 26, 202642
Sep 25, 202631
Sep 24, 202638
Sep 23, 202688
Sep 23, 202648
Sep 22, 202629

How many players finish Staffer Case: A Supernatural Mystery Adventure?

56% of Steam players have unlocked «Case 5: Beyond», the achievement for finishing the main story.

Share of everyone who owns the game on Steam, including those who barely played it. Updated weekly.

Screenshots and trailer

Staffer Case: A Supernatural Mystery Adventure screenshot 1

Staffer Case: A Supernatural Mystery Adventure system requirements

Minimum: DirectX 11 GPU, 4 GB RAM, 6 GB of disk space.

As published by the developer.

Can my PC run Staffer Case: A Supernatural Mystery Adventure?

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Minimum

OS
Windows 10
Processor
Intel I3 2.0Ghz +
Graphics
DirectX 11 capable GPU
Memory
4 GB RAM
Storage
6 GB available space
DirectX
Version 11

Recommended

Requires a 64-bit processor and operating system

Does Staffer Case: A Supernatural Mystery Adventure have co-op or multiplayer?

No: single-player only, no multiplayer modes declared.

Does Staffer Case: A Supernatural Mystery Adventure run on Steam Deck?

Verified Yes, Verified by Valve: it works on Steam Deck out of the box.

  • All functionality is accessible with the default controller configuration
  • Shows Steam Deck controller icons
  • In-game text is legible on Steam Deck
  • Default graphics settings perform well on Steam Deck

PC version details

DRM
None declared on Steam
Controller
Full controller support
Platforms
Windows, macOS
Achievements
10
Steam features
Cloud saves, Family Sharing, Trading cards
Languages
Full audio: Japanese. Text only: Korean, English, Simplified Chinese, Traditional Chinese.

Does Staffer Case: A Supernatural Mystery Adventure use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 27, 2026. How to filter AI games on Steam

Tags

Recent updates

1 DLC available.

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