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Letter Lost
Main game
By: FlatNine Games
Technical details
- Genres
- Platforms
- Themes
By: FlatNine Games
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You’re the sole employee at the Kharnym Isle post office, stamping, sorting, and delivering mail. But the job hides secrets, and the office itself holds mysteries you must uncover. This will be the only job you’ll ever need to work… unless you can escape.
Linux · Jun 10, 2026
Worldwide · Exact date · Full release · IGDB
PC (Microsoft Windows) · Jun 10, 2026
Worldwide · Exact date · Full release · IGDB
Catalog sources
50 achievements available.
Hidden until unlockedSteam
It's okay, we're not all good followers.
LockedSteam
Hidden until unlockedSteam
Hidden until unlockedSteam
The Sheriff arrests Matilda Blythe.
LockedSteam
Hidden until unlockedSteam
Hidden until unlockedSteam
Hidden until unlockedSteam
Hidden until unlockedSteam
Hidden until unlockedSteam
Hidden until unlockedSteam
Hidden until unlockedSteam
Hidden until unlockedSteam
Achieve a high score for the mail.
LockedSteam
Achieve an even higher score for the mail. Wow.
LockedSteam
Achieve a higher score for the mail.
LockedSteam
We hold multitudes.
LockedSteam
Good little postal worker, I'm proud of you!
LockedSteam
Buy all tomes for the Historian.
LockedSteam
Hidden until unlockedSteam
Hidden until unlockedSteam
Gain $10,000
LockedSteam
The Sheriff is slain during her investigations
LockedSteam
Hidden until unlockedSteam
Hidden until unlockedSteam
Hidden until unlockedSteam
Hidden until unlockedSteam
Hidden until unlockedSteam
Hidden until unlockedSteam
Discover five secrets in the post office.
LockedSteam
Hidden until unlockedSteam
Hidden until unlockedSteam
Hidden until unlockedSteam
Shred 100 Letters
LockedSteam
Fill every open spot on the delivery truck.
LockedSteam
Take some time in the penance chamber to think about your actions.
LockedSteam
Hidden until unlockedSteam
Hidden until unlockedSteam
The Sheriff spends her time with Bartimaeus instead of investigating.
LockedSteam
The Sheriff arrests the leader of the Drowned.
LockedSteam
Hidden until unlockedSteam
Hidden until unlockedSteam
Hidden until unlockedSteam
Purchase the sleep mask and dream your fears away.
LockedSteam
Hidden until unlockedSteam
Hidden until unlockedSteam
Don't send a single piece of mail all week.
LockedSteam
Hidden until unlockedSteam
Die gruesomely 3 times
LockedSteam
Hidden until unlockedSteam
Community notes
