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Letter Lost Achievements · SteamPeaks

Apps›Letter Lost›Achievements

Letter Lost

GameApp ID 3,624,790by FlatNine GamesReleased 10 Jun 2026

App ID3,624,790

Release date10 Jun 2026

Engine—

Install size7.88 GB

TypeGame

Last update7 Sep 2026

Steam DeckPlayable

DLC0

DeveloperFlatNine Games

Changenumber38,671,996

Price$19.99

Packages0

PublisherFlatNine Games

SystemsWindows · Linux

Followers—

Depots1

Letter Lost

FlatNine Games
Released 10 Jun 2026·App 3624790

Steam user reviews

Very Positive

85.3%· 184 reviews

Recent —

SteamPeaks Rating

75.5 Positive

Recent 30 days —

How it works ›

Playing now

18

−3 vs. yesterday

9.5%of peak

All-time peak

189

Jun 2026

Updated 4 minutes agoData by

Data

Price history Charts Patches Events Reviews Audience Estimates Availability

Technical

Metadata Packages DLC Depots1 Requirements Install size Configuration Cloud saves

Content

Achievements Community Media Related apps

History

Update history Store history

Everything

Achievements Overview Price history Charts Patches Events Reviews Audience Estimates Availability Metadata Packages DLC Depots1 Requirements Install size Configuration Cloud saves Community Media Related apps Update history Store history Full details

Every achievement on record

Achievements

50 achievements · 31 secret

RarestBuried Ambitions0.0% of players

Most earnedNo Escape30% of players

Crowded MindSecret
Steam withholds the description of a secret achievement.
9.4%
Malevolent SteelSecret
Steam withholds the description of a secret achievement.
7.4%

Windows · Linux

Engine —

Mystery Horror Story Rich Dark Adventure Choices Matter +12 +14

View on SteamCompare Share

SteamPeaks.com

UnwidowingSecret

Steam withholds the description of a secret achievement.

21%

The Crimson AlbatrossSecret

Steam withholds the description of a secret achievement.

4.1%

Star-Crossed LoversSecret

Steam withholds the description of a secret achievement.

22%

RaincheckSecret

Steam withholds the description of a secret achievement.

7.5%

Daughter of the SeaSecret

Steam withholds the description of a secret achievement.

5.6%

Doom DeliveredSecret

Steam withholds the description of a secret achievement.

18%

HomecomingSecret

Steam withholds the description of a secret achievement.

7.4%

The Shredder UnderstandsSecret

Steam withholds the description of a secret achievement.

4.1%

Role ModelSecret

Steam withholds the description of a secret achievement.

5.9%

Personal Improvement Plan

Take some time in the penance chamber to think about your actions.

9.7%

No EscapeSecret

Steam withholds the description of a secret achievement.

30%

History Rewritten

Buy all tomes for the Historian.

12%

Consuming KnowledgeSecret

Steam withholds the description of a secret achievement.

11%

OathbreakerSecret

Steam withholds the description of a secret achievement.

20%

OathkeeperSecret

Steam withholds the description of a secret achievement.

12%

The Call is Coming From Inside the Post OfficeSecret

Steam withholds the description of a secret achievement.

24%

Exacting EscalationSecret

Steam withholds the description of a secret achievement.

5.4%

0% Chance of RainSecret

Steam withholds the description of a secret achievement.

12%

Sunken SinsSecret

Steam withholds the description of a secret achievement.

1.4%

Better Late Than NeverSecret

Steam withholds the description of a secret achievement.

5.4%

Back You Go!Secret

Steam withholds the description of a secret achievement.

0.9%

No Second ChancesSecret

Steam withholds the description of a secret achievement.

5.2%

No RegretsSecret

Steam withholds the description of a secret achievement.

0.4%

SeveranceSecret

Steam withholds the description of a secret achievement.

4.2%

No GoodbyesSecret

Steam withholds the description of a secret achievement.

3.9%

Welcome to Kharnym

Die gruesomely 3 times

0.6%

Flew Too Close To The ShredderSecret

Steam withholds the description of a secret achievement.

16%

In It For The Money

Gain $10,000

3.3%

Not Cut Out For ThisSecret

Steam withholds the description of a secret achievement.

0.9%

Quick CommuteSecret

Steam withholds the description of a secret achievement.

20%

Better Her Than MeSecret

Steam withholds the description of a secret achievement.

20%

Perfect Fit

Fill every open spot on the delivery truck.

14%

Soporific Effort

Purchase the sleep mask and dream your fears away.

6.3%

One Solution

Shred 100 Letters

15%

Bad With Authority

It's okay, we're not all good followers.

8.2%

Good With Authority

Good little postal worker, I'm proud of you!

4.4%

Good and Bad With Authority

We hold multitudes.

2.9%

How Many BreaksSecret

Steam withholds the description of a secret achievement.

26%

Following in their Footsteps

Achieve a high score for the mail.

1.4%

Following in their Footsteps 2

Achieve a higher score for the mail.

1.2%

Following in their Footsteps 3

Achieve an even higher score for the mail. Wow.

0.8%

No Stone Unturned

Discover five secrets in the post office.

4.9%

Unpaid Leisure Week

Don't send a single piece of mail all week.

12%

One of UsSecret

Steam withholds the description of a secret achievement.

3.4%

Law and Lost

The Sheriff is slain during her investigations

0.1%

Resuscitation

The Sheriff arrests the leader of the Drowned.

0.1%

Buried Ambitions

The Sheriff arrests Matilda Blythe.

0.0%

The Real Crime Was Friendship

The Sheriff spends her time with Bartimaeus instead of investigating.

0.0%

Names, descriptions and icons are the game’s own, as Steam publishes them; the share is how many owners have unlocked each, from Steam's global figures for 50 of them.