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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.

Released Jul 31, 2026 Developer One More Spoon Publisher Jungle Game Lab Platforms Windows SimulationCard GameManagementStrategyExploration
View on Steam ↗ Free (US · as of 2026-09-26)

What players say

Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-26.

78.4%positive74 reviews
Recommended · 7 found this helpful

“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
Recommended · 5 found this helpful

“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
Not recommended · 9 found this helpful

“Got bored pretty quickly. Drinking also didn't help.”

— a player, Steam review · 5 hrs played
Read more reviews ↗

Achievement stats

Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-09-26.

20achievements
13.2%median completion
4.5%rarest: Collector
82.5% of players 51.3% of players 42.9% of players 28.5% of players 20.1% of players 16.9% of players 15.8% of players 15.2% of players 14.4% of players 14.4% of players 13.2% of players 8.1% of players 7.3% of players 6.3% of players 5.6% of players 5.5% of players 5.1% of players 4.7% of players 4.7% of players 4.5% of players 82.5% 0% most earned rarest
Almost everyone has
82.5%Protocol Execute — Craft a Protocol for the first time.
51.3%Soylent Green — Craft Almond Water for the first time.
42.9%You Really Are Heartless! — Get 10 employees killed.
Rarest badges of honor
4.5%Collector — Unlock 100 Exploration Records.
4.7%Perfectionist — Clear the Backrooms stage without increasing your Audit level.
4.7%Karma — View the “Karma” ending.

Latest official news

Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.

Sep 04, 2026
[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

Aug 14, 2026
[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

Aug 05, 2026
[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

Aug 05, 2026
[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

Aug 01, 2026
[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.

GenresSimulation, Free To Play
Player tagsSimulation · Card Game · Management · Strategy · Exploration · Puzzle · Indie · Tabletop · Free to Play · 2D · Mystery · Multiple Endings (Steam store community voting)
FeaturesSingle-player · Steam Achievements · Steam Cloud · Family Sharing
LanguagesEnglish, Korean, Japanese, Simplified Chinese, Traditional Chinese
Achievements20
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.