Steam app 3950130 · updated 12 Sep 2026, 18:09 UTC
Solve criminal cases through the power of SQL queries! Help out the city of Los Zorangeles by becoming a Database Detective in this new (unpaid) work from home opportunity.
718 hourly samples, with the daily peak drawn over them. Weekends are shaded.
3 months, July 2026 to September 2026. The highest number of people in the game at once, each month, on a time axis -- a gap in the record stays a gap.
The highest number of people in the game at once, each month. Four, because four is as far back as the source keeps anything finer than one figure a month.
6 days, each one the highest figure that day. The source keeps no hourly detail this far back. Weekends are shaded.
31 days as the curve, each the highest figure that day. Behind it, 438 hourly samples from 13 Aug, which is as far back as the source keeps every hour. Weekends are shaded.
12 days as the curve, each the highest figure that day. Behind it, 280 hourly samples. Each dip is a night. Weekends are shaded.
Database Detective: Minor Crimes Division was released on 17 Jul, 2026.
| Language | Full audio |
|---|---|
| English | ● |
A blank audio cell means full audio was not marked in the returned language list.
34 achievements in total.
34 developer announcements, Dec 2025 to Sep 2026 · times in UTC
New Steam Trading Cards!You can now craft your very own badge on your steam profile for Database Detective: Minor Crimes Division using these new trading cards!I wanted these cards to have a very cohesive design, similar to trading card…
Train Called ThomasBug Fixes:Fixed issue where the ending cutscene wasn't loading
Patch notesThe demo is now up to date with (most of) the updates from the base game! Also made sure that opening the demo when you have the full game does not delete your entire save file (but it does delete progress in the 4th case since that level…
Patch notesBug Fixes:Fixed issue where the shift key maps keys to the QWERTY keyboard layout.This was caused by an attempt to fix the shift key not working on the Steam Deck virtual keyboard, so that fix has been undone.
Patch notesNow you can tab between queries in the Search Tables window!With this in place, I'm pretty happy with how things are at the moment and will start working on some larger updates. Barring any other bug fixes or issues that might come up, this…
Patch notesTook a short two day break - now I'm back fixing bugs! As always, please let me know if you notice any more issues.Update Notes:Gameplay Changes:Changed hotkey to unindent selected text from Shift+Tab to Tab+Z.Refactored how arrested…
Patch notesNow you can right click on the taskbar to close a window or minimize all windows!You'll also be able to indent/unindent selected text in the Search Tables window by pressing Shift/Shift+Tab respectively!Update Notes:Gameplay Changes:Add…
Patch notesThis update addresses the crashes that happen on Mac when loading the final two cases. Apologies this took so long for the Mac users, this was probably the most difficult bug fixes that I had to do! If anyone has more issues with Mac…
Patch notesOk I was wrong, it looks like there were more problems! As always, let me know if you're having any unexpected issues and I'll take a look at them.Update Notes:Bug FixesFix cursor misalignment in the Search Tables window after a long line…
Patch notesThe most important change here is adding back a semi-colon I accidentally removed in the previous update which caused some issues when downloading tables in the final level. Hopefully there should be no more problems! Ever!!!!! But if there…
Patch notesWanted to get this out to fix a rare bug that occurs less than 5% of the time in the 8th case (with LZU) causing there to be two valid suspects. This bug occurs when there are two students sitting next to a single smart student with a test…
Patch notesWanted to get this out quickly to fix a bug introduced in the previous update for the seventh case (with the wiki) preventing you from downloading payup transactions tied from accounts tied to websites. Luckily, this isn't required to solve…
Patch notesYou can now view your internet history!You can also bookmark websites which will show up in your internet history.Also, clicking on a website in a table will bring up that website in a web browser automatically. Clickable websites will have…
Patch notesTrying again should no longer drop the tables you created or reload the case.This is also true with switching between cases, with one big caveat: this only affects cases that have been loaded after this update. This means that if you played…
Patch notesWhoops, did not mean to do that!Update Notes:Gameplay ChangesDisable Dev Window
Patch notesMore bug fixes! Notably fixed the bug where Linux builds of the game were missing SQLite functions.Next update will focus on quality of life improvements such as preserving progress if you get a case wrong.Update Notes:Gameplay…
Patch notesThanks everyone for submitting your issues through the feedback form! Many more fixes to come!Update Notes:Gameplay ChangesAdd a few additional, more direct hints from your assistantBug FixesFix Ctrl + Enter not saving new tablesAdd UNION…
Patch notesCasually adding time travel in the game: now you can go back to cases you've already unlocked at any time!Update Notes:Gameplay ChangesAdded new option in the assistant dialogue to travel through time, allowing you to switch between…
Patch notesWanted to get this out quickly to fix reports of crashing on Linux during syntax highlighting.Update Notes:Bug FixesOptimize syntax highlighting for column names to prevent crashes on LinuxMinor Clarity ChangesFor the 7th case (wiki…
Patch notesBringing the demo up to date with the full release!There are a lot of changes and bug fixes introduced in this version, so this isn't a comprehensive list of what's been added, but should include some notable differences.Update Notes:Some…
Patch notesDatabase Detective: Minor Crimes Division is Available Now!!!That's right! You can now play all ten cases in Database Detective: Minor Crimes Division! By the time you complete this game, you should be familiar with the basics of SQL…
Train Called ThomasWanted to get this update out there since I noticed that some Twitch VODs were being muted due to a song in the Royalty Free Music Player.Update Notes:Gameplay ChangesRemove song that was causing Twitch VODs to being mutedTable cells now…
Patch notesDatabase Detective: Minor Crimes Division is releasing on July 17th!That’s less than a month away!!!Thank you all for sticking around so far! I’m so excited for you all to play the full game when it releases. So much work has been put into…
Train Called ThomasI've noticed that most people didn't realize that when you click on your assistant after asking for a hint, he'll give you more hints! I've improved this so that you can cycle through hints when you simply ask for help once.Update…
Patch notesHey everyone! I finally made a discord page, which you can join by following this link!If you're interested in the development process of this game, I'll be posting some dev logs on there documenting how this game came to be. Also, if you…
Train Called ThomasSquashing some more bugs - thanks all for reporting these issues!Update Notes:Bug FixesPrevent soft lock when a wrong suspect is arrested twiceFixed notepad issues that might have caused some weird behaviorParser: add backtick (``) and…
Patch notesWith InterfaceX26 fest here, I wanted to get in an update that addresses EVERYTHING YOU'VE EVER WANTED!!!! (almost).The contents of this update comes from your bug reports and feature requests, so thank you for letting me hear your thoughts…
Train Called ThomasJust wanted to thank everyone for playing the demo and for reporting these issues! Couldn't have done it without you
Patch notesA HUGE new update for all of you DATABASE DETECTIVES!!!Pretty much every feature request I've been keeping track of has been implemented in this update, such as a taskbar and the ability to minimize window panels!There are also a bunch of…
Train Called ThomasHere's a small update that adds an optional CRT filter for those who wanted to get more immersed in the time and era of Database Detective: Minor Crimes DivisionThis filter is enabled by default, but if you find it hurts your eyes (such as…
Patch notesAn update just in time for DETECTIVE FEST!!!The most notable change here is a new note taking app that you can use to write down whatever you want! There's even a dark mode setting on there! Update Notes:Gameplay ChangesAdded a much…
Train Called ThomasThanks everyone for reporting any bugs and issues you've encountered! Hopefully this update should fix a few of them. Update Notes:Bug FixesFix crashing on macOS when you get to the last level of the demo.Increase audio buffer size to…
Patch notesHey everyone! Thanks for playing and for all the kind feedback so far! :)This newest update should overall improve stability and make the goal of the last level clearer.Please let me know if you have any more feedback! Update Notes:Gameplay…
Patch notesThat's right! Right now you can play the first four cases of Database Detective: Minor Crimes Edition!!This demo should cover the basics of SQL querying, where you get to play around with concepts such as JOINS and aggregate…
Train Called ThomasWhat Steam runs, and with what. Straight from the app configuration.
| Description | Executable | Arguments | Platform | |
|---|---|---|---|---|
| Launch | copOS.exe | windows | ||
| Launch | copOS.x86_64 | linux | ||
| Launch | copOS.app | macos |
The folders Steam Cloud syncs. The root is a token Steam uses for a location on your own machine, not a path this page can know.
| Root | Folder | Files |
|---|---|---|
WinAppDataLocalLow | HsuCorp/copOS | * |
It runs on public data and somebody's spare time.
https://paypal.me/KintaroPalPay[email protected]0x4d559C765AA8BFe336E36d5b76024926767eD38dTJtctWU9uetJaTBoSybd1RErW7n9duTKVG