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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!
In short, Steam reviewers most often praise “intricate supernatural mystery narrative” (50 of 81 reviews) and “supernatural deduction mysteries” (44); the most common complaint is “ambiguous clue requirements” (12). What reviewers agree on ↓
What players say
Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-29 · quoted reviews as of 2026-05-13.
What reviewers agree on
50 of the 81 reviews raise this.
44 of the 81 reviews raise this.
7 of the 81 reviews raise this.
“Nice little investigation/deduction game in the vein of Ace Attorney. You know the drill, investigate the crime, interview suspects, present contradictions, etc. None of the deductions are particularly difficult, though…”
5 of the 81 reviews raise this.
“I loved this game so much. I loved finding out about the world and the characters, especially how they all interacted with each other. Apparently the voice acting was added with an update but it's so good that I…”
4 of the 81 reviews raise this.
“A real sleeper hit that managed to be a really memorable experience. If you have any liking for mystery or logic puzzle games, you're doing yourself a disfavour by not picking this up. Worth the full price. Pros +…”
12 of the 81 reviews raise this · 11 of them still recommend the game.
“pretty good. sometimes answers seem obtuse, but that might just be skill issue. most of the time it's reasonable though. like the cast and story too. overall very epic”
11 of the 81 reviews raise this · 9 of them still recommend the game.
“感情綫有點唐突 但案件和劇情越來越精彩，在魔法世界下的本格推理？有反轉，設計上還蠻大膽的 通關最後一關之後給好評，劇情有點沉重”
7 of the 81 reviews raise this · 7 of them still recommend the game.
“Nice little investigation/deduction game in the vein of Ace Attorney. You know the drill, investigate the crime, interview suspects, present contradictions, etc. None of the deductions are particularly difficult, though…”
6 of the 81 reviews raise this · 5 of them still recommend the game.
“As everyone else, I am also comparing the game to Ace Attorney. It is so similar. However, what I didn't like is how the answers to certain questions are either blatantly obvious, or entirely illogical (forcing you to…”
“The best detective VN game I played to date. I have like one nitpick about case 5 (spoiler hidden) But outside of that, amazingly written, interconnected, funny, with just a few tiny translation issues that make things…”
3 of the 81 reviews raise this · 3 of them still recommend the game.
Counted across 81 English reviews, sampled to match this game's 93.9% positive rating · as of 2026-05-13
“It may look like a psychic detective story, but it’s really a game about piecing clues together.”
— a player, Steam review · 10 hrs played“If you are a fan of the Ace Attorney series, this game is just the right fit for you! I could just leave it at that, but that's not what you're here for, right?? Now, I'm a MASSIVE fan of murder mystery games. Games like Danganronpa, Ace Attorney, AI Somnium Files- These type of…”
— a player, Steam review · 33 hrs played“I have pretty high standards when it comes to detective games, and while I think the writing has it's flaws, I do believe the mystery part of this game is pretty solid and enjoyable.”
— a player, Steam review · 18 hrs playedPlayer activity
Monthly average concurrent players. Live data self-collected from the Steam API · history through 2026-06 via SteamCharts.
Achievement stats
Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-10-21.
Price tracking
US-region pricing (USD), sampled twice daily by our own tracker since 2026-07-11. Steam prices vary by region — always confirm your local price on Steam.
Regional prices at last sample, in local currency — Steam sets each region's price independently.
Cheapest → most expensive, converted to USD at ECB reference rates (2026-10-26). Relative comparison only.
Latest official news
Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.
Staffer Case: A Supernatural Mystery Adventure — Patch Notes v3.2.1
* Improved the stability of the skip system and adjusted the skip speed. * Improved overall system stability. * Corrected typos and some text across multiple languages based on player feedback.
Staffer Case: A Supernatural Mystery Adventure — Patch Notes v3.2.0
Case.4 Cutscene Illustration Revamp & Major Feature Improvements * The D-Pad now supports the same controls as the L-Stick, except in certain situations (such as when the Magnifier is not active in No
Staffer Series Autumn Sale — Up to 46% Off!
Staffer Series Autumn Sale — Up to 46% Off! All three paid titles in the 『Staffer』 series are now on sale on Steam! Whether you're new to the series or still have a title left to play, this is a great
Staffer Retro : A Supernatural Mystery Quest is Out Now!
Hello, this is Team Tetrapod. Staffer Retro : A Supernatural Mystery Quest is now officially available on Steam! In an island town where supernatural powers are part of everyday life, join Verita Retr
Staffer Retro D-2: Final Trailer Revealed!
Hello, this is Team Tetrapod. There are now less than 30 hours left until the release of Staffer Retro : A Supernatural Mystery Quest. The Steam version will launch on July 23 at 00:00. Ahead of relea
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Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-05-13.
| Genres | Adventure |
| Player tags | Detective · Story Rich · Mystery · Atmospheric · Visual Novel · Anime · Strategy · Text-Based · Exploration · Crime · Adventure · Cartoony (SteamSpy community voting) |
| Features | Single-player · Steam Achievements · Full controller support · Steam Trading Cards · Steam Cloud · Family Sharing |
| Languages | Korean, English, Japanese * , Simplified Chinese, Traditional Chinese * |
| Controller | Full support |
| Achievements | 10 |
| Official site | https://www.tetrapod.company/ |
Minimum system requirements (PC)
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