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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!
What players say
Steam review score and the most-helpful voices, which may include critical ones. Data as of 2026-05-20.
“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 count fetched 2026-07-11 14:00 UTC · history 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 2026-07-25.
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 (2026-07-24). 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 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
Steam Summer Sale: 42% Off Staffer Case!
Thanks to your incredible support, the Steam Next Fest event for Staffer Retro: A Supernatural Mystery Quest has come to a successful close!We sincerely thank everyone who played the demo and shared t
[News About the Next Title] Demo Voice Update Complete! & Crowdfunding News
Demo Voice Update Complete! & Crowdfunding NewsHello, this is Team Tetrapod.The Staffer Retro demo has been updated to Version 0.9.V1.This update includes the long-awaited Japanese voice acting, along
[STAFFER Series] Dice Eater Is Now Free Forever
Thanks to your help, we were able to safely apprehend the vile criminal. We sincerely appreciate it! As a result of this incident, Dice Eater has now become permanently free to play!A special event is
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Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-05-20.
| 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 |
| Estimated owners | 100,000 – 200,000 (SteamSpy) |
| 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