Steam data
Everything Steam lists for Letter Lost · record updated 21 hours ago
Overview
App info
- App type
- Game
- Developer
- FlatNine Games
- Publisher
- FlatNine Games
- Steam profile
- Counts toward game count and achievement totals · checked 1 day ago
- Technologies
- Unity detected
- Website
- flatninegames.com
Platforms
- Steam Deck
- Playable
- Controller
- Partial support
Features
7Prices
United States$USD
Every price change is kept from Oct 23, 2026 on. Pick a region below to compare.
Americas 10
Europe 5
CIS 4
Asia-Pacific 15
Middle East & Africa 7
Patches
Patch notes
14-
Sep 16, 2026 9/16 Patch Notes
9/16 Patch NotesFix an issues with scaling for the package placement mini game on the Steam DeckRaise the camera sensitivity ceilingFix an issue with the camera in the first week of playFix an image in the purchase bookAdd fan letters to r…
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Sep 7, 2026 9/7 Patch Notes
9/7 Patch NotesFix a bug where the Historian books were disappearing on the package stationWork to accommodate more resolutionsHappy mailing!~FlatNine Games Team
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Sep 1, 2026 9/1 Patch Notes
9/1 Patch NotesControlsButton navigation work in menus when using controllerWork on controller mapping for the package placement mini-gameFix an issue with camera sensitivityFix an issue with inverted controls not remaining through reloads…
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Aug 24, 2026 8/24 Steam Deck Hotfix
8/24 Steam Deck HotfixA fix aimed at improving performance on Steam Deck and lower end computers, including addressing launch issues on Steam Deck. NOTE: We recommend restarting your Steam Deck after you download the update.We're continuin…
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Jul 31, 2026 7/31 Steam Deck Hotfix
7/31 HotfixSteam Deck Update: A recent Steam OS update impacted the overall performance and ability to launch the game on Steam Deck. This hotfix should should temporarily help with these launch and performance issues, though we recommend …
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Jul 26, 2026 7/26 Hotfix
7/26 HotfixFix a trophy issue with the Blythe storylineHappy Mailing!~FlatNine Games team
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Jul 23, 2026 7/22 Patch Notes
7/22 Patch NotesFiller of coffee returns for moreNew dialogue for a specific ending pathNew end of week screen, for clarity and simplicityPlant progressionReduce prices on a few items in the purchase bookSkeleton key has an additional purp…
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Jul 16, 2026 7/16 Patch Notes
Patch Notes 7/16Fix an issue where a record was reappearing every time you finished a certain desk puzzleAllow you to ask Blythe to wait one gosh darn moment as you find her packageSmall visual polish fixesPortrait fixesFix an issue where …
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Jul 10, 2026 7/10 Patch Notes
StoryMake the choices for saving Barti boy more clear.Hello Sheriff, ready to play?Shelly of the Week poster!Fix a bug where Shelly won’t interact with some playersFix an issue where VO was not triggering at the end of the gameFix an issue…
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Jul 1, 2026 7/1 Patch Notes
Happy July everyone! Here's a list of notes for our bug fixes, but also some exciting content adds for you to discover! Tools and Purchasebook: The flashlight automatically turns on when you pull it outSymbiotic stamps is now baseline. You…
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Jun 23, 2026 6/23 Patch Notes
6/23 Patch NotesStorylines:Don’t have Lilian’s daughter? Lie about it to Lilian? No longer ends the story, you monster!If Shelly’s belongings disappear on a reload, we put them in your inventory for safe-keeping.Give the girl shoes. She ha…
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Jun 18, 2026 6/18 Patch Notes
Improved controller remappingContinue ironing out final quest bugs that impact the summoning of certain thingsWrinkle fixes, continue to keep certain wrinkles out of rotation until more testing can be doneFix some typos and book contentsAd…
Builds
2| Build | Branch | Updated |
|---|---|---|
| 25350615 | public | Sep 16, 2026 |
| 23573794 | press | Jun 4, 2026 |
Depots
Depots
1| ID | Name | Systems | Size | Download | Manifest |
|---|---|---|---|---|---|
| 3624791 | — | Windows, Linux | 7.90 GB | 2.92 GB | 4156002328173758648 |
Branches
2| Branch | Build | Updated | Access |
|---|---|---|---|
| public | 25350615 | Sep 16, 2026 | Open |
| press For Festivals &Press | 23573794 | Jun 4, 2026 | Open |
Configuration
Install foldersteamapps/common/Letter Lost
Launch options
2| Executable | Arguments | Systems | Description |
|---|---|---|---|
| LetterLost.exe | All | ||
| LetterLost.exe | Linux |
Cloud saves
| Root | Path | Pattern | Systems |
|---|---|---|---|
| WinAppDataLocalLow | FlatNine/LetterLost | *.json | All |
| WinAppDataLocalLow | FlatNine/LetterLost | *.json.bak | All |
Achievements
Global unlock rate
share of players who have it-
No Escape
Hidden achievement
-
How Many Breaks
Hidden achievement
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The Call is Coming From Inside the Post Office
Hidden achievement
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Star-Crossed Lovers
Hidden achievement
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Unwidowing
Hidden achievement
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Quick Commute
Hidden achievement
-
Better Her Than Me
Hidden achievement
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Oathbreaker
Hidden achievement
-
Doom Delivered
Hidden achievement
-
Flew Too Close To The Shredder
Hidden achievement
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One Solution
Shred 100 Letters
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Perfect Fit
Fill every open spot on the delivery truck.
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Oathkeeper
Hidden achievement
-
History Rewritten
Buy all tomes for the Historian.
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0% Chance of Rain
Hidden achievement
-
Unpaid Leisure Week
Don't send a single piece of mail all week.
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Consuming Knowledge
Hidden achievement
-
Crowded Mind
Hidden achievement
All 50 achievements
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Personal Improvement Plan
Take some time in the penance chamber to think about your actions.
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Homecoming
Hidden achievement
-
Bad With Authority
It's okay, we're not all good followers.
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Raincheck
Hidden achievement
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Malevolent Steel
Hidden achievement
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Role Model
Hidden achievement
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Soporific Effort
Purchase the sleep mask and dream your fears away.
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Better Late Than Never
Hidden achievement
-
Exacting Escalation
Hidden achievement
-
Daughter of the Sea
Hidden achievement
-
No Stone Unturned
Discover five secrets in the post office.
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No Second Chances
Hidden achievement
-
Good With Authority
Good little postal worker, I'm proud of you!
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Severance
Hidden achievement
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The Shredder Understands
Hidden achievement
-
The Crimson Albatross
Hidden achievement
-
No Goodbyes
Hidden achievement
-
One of Us
Hidden achievement
-
In It For The Money
Gain $10,000
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Good and Bad With Authority
We hold multitudes.
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Following in their Footsteps
Achieve a high score for the mail.
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Sunken Sins
Hidden achievement
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Following in their Footsteps 2
Achieve a higher score for the mail.
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Back You Go!
Hidden achievement
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Following in their Footsteps 3
Achieve an even higher score for the mail. Wow.
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Not Cut Out For This
Hidden achievement
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No Regrets
Hidden achievement
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Welcome to Kharnym
Die gruesomely 3 times
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Law and Lost
The Sheriff is slain during her investigations
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Resuscitation
The Sheriff arrests the leader of the Drowned.
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Buried Ambitions
The Sheriff arrests Matilda Blythe.
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The Real Crime Was Friendship
The Sheriff spends her time with Bartimaeus instead of investigating.
News
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Oct 24, 2026 · Community Announcements 10,000 copies sold!
10,000 copies of Letter Lost sold! Thank you SO much for everybody that has taken up their permanent job at the post office! In celebration, a new way to the end the game is arriving soon...friend...…
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Sep 23, 2026 · Community Announcements Letter Lost x The Plant Shop Bundle!
Announcing the Parcels and Plants Bundle!You're looking for two things in this world--the run a plant shop and to run a post office. We've got the bundle for you. Spend your morning sending mail into…
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Aug 25, 2026 · Community Announcements The Letter Lost Original Soundtrack is Here!
Hello, citizens of Kharnym!Good news! You can now bring the dulcet tones of the post office into your day to day life, and be lulled into a postal trance at the click of a button. You can even hear t…
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Aug 24, 2026 · Community Announcements Post-Launch Sale!
Greetings, Postal Warriors!We're excited to announce that Letter Lost is now on sale for the first time since launch, coinciding with our participation in the Weird Days Job Simulator Showcase! Of co…
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Aug 10, 2026 · Community Announcements Two Months at Kharnym Isle Post!
Greetings, Postal Warriors!It's been an incredible two months at Kharnym Isle Post, and we wanted to share a few milestones and updates! We've hit 7,000 units sold, and thank goodness because the mai…
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Jun 18, 2026 · Community Announcements One week at your forever job! Eternity to go!
Thank you for accepting your forever job at the Kharnym Isle Post!We've been so excited to see all the new employees here at the post office, and we want to thank you all for your diligent work and d…
Data from public Steam pages, updated daily; 5 days of history. LaunchRivals is not affiliated with Valve or Steam.