Home / Games / A.D.D. (Anomaly Detection Department)
A.D.D. (Anomaly Detection Department)
A.D.D is a management simulation game where you run operations for a company investigating the Backrooms. Connect nodes, build workflows, dispatch employees, and deliver the results the company demands.
What players say
Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-26.
“It's a short but really well-made game akin to cultist simulator. There is nothing to incredibly new here but the fact it is free and still leaves you wishing for more is a good sign as to how much effort went into this short but sweet game.”
— a player, Steam review · 2 hrs played“A fun, short puzzle game where you switch and combine various paths to get the datapoints you need. It's easy to figure out what items to use where and clicking on the rooms shows which items can be used in the rooms. The game is all about exhausting all possibilities to get…”
— a player, Steam review · 7 hrs played“Got bored pretty quickly. Drinking also didn't help.”
— a player, Steam review · 5 hrs playedAchievement stats
Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-09-26.
Latest official news
Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.
[hotfix] v1.2.4
Hello, this is One More Spoon. \ Fixed a bug where connection lines could not be deleted with a right-click during gameplay. Fixed a bug where cards could not be dragged after proceeding to the next D
[Notice] Ver. 1.2.0 Patch Notes
Hello, Managers. This is One More Spoon. Many managers who have been playing A.D.D. have shared feedback that it was difficult to understand the game's rules and how to progress. After reviewing this
[Hotfix] v1.1.2 Patch Notes
Hello, this is One More Spoon. A quick hotfix has been applied to address a bug. Maintenance Time: August 5, 2026, 23:30 (KST) Version: v1.1.2 Hashtag Layer Fix: Fixed an issue in the tutorial scene w
[Notice] Ver. 1.1.0 Patch Notes
Hello, this is One More Spoon. Thank you to everyone who played A.D.D. and took the time to share your valuable feedback. Based on your feedback, we've made several improvements to the exploration con
[Day 1 Patch Notes] v1.0.3
Hello, this is the One More Spoon. Our first Day 1 patch since launch has been applied as follows. Please refer to the details below. Version: v1.0.3 Applied: 2026-08-01 16:00 (KST) Fixes Ending Progr
Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-09-26.
| Genres | Simulation, Free To Play |
| Player tags | Simulation · Card Game · Management · Strategy · Exploration · Puzzle · Indie · Tabletop · Free to Play · 2D · Mystery · Multiple Endings (Steam store community voting) |
| Features | Single-player · Steam Achievements · Steam Cloud · Family Sharing |
| Languages | English, Korean, Japanese, Simplified Chinese, Traditional Chinese |
| Achievements | 20 |
Minimum system requirements (PC)
Minimum: Requires a 64-bit processor and operating system OS: Windows 10 64-bit Processor: Intel Core i3-6100 or equivalent Memory: 4 GB RAM Graphics: Intel UHD Graphics 620 or equivalent Storage: 1 GB available space Sound Card: Windows compatible audio device Additional Notes: Minimum requirements may change before release.