Lost Letter

Main game

Released Jul 12, 2025

60 achievements available.

First Stamp
Collect your first stamp
LockedSteam
The Collector
Obtain 100 unique stamps
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Enthusiast
Obtain 300 unique stamps
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Hoarder
Obtain 500 unique stamps
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Specialist
Obtain 700 unique stamps
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Living Encyclopedia
Obtain 1000 unique stamps
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Obsessed Collector
Obtain 1300 unique stamps
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My Precious
Obtain all unique stamps
LockedSteam
Handyman
Complete 20 side quests
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Master of Favors
Complete 50 side quests
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Hit the Road
Travel to your first country
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Born to Ride
Visit 10 countries
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Pedal to the Metal
Visit 30 countries
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Endless Route
Visit 50 countries
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World is My Backyard
Visit 70 countries
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Nomad
Visit 90 countries
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World Citizen
Visit 100 countries
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Small World
Visit all the countries
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My Best Friend
Max out your tamagochi’s happiness
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Rolling the Sleeves
Reconstruct 5 different stamps
LockedSteam
Official Restorer
Reconstruct 10 different stamps
LockedSteam
Stay, There’s Cake
Visit 1,000 people
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Cake for Everyone
Visit 100,000 people
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Global Party
Visit 100,000,000 people
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Infinite Buffet
Visit 1,000,000,000 people
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We’ll Need More Cake
Visit 10,000,000,000 people
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That Many People!?
Visit 100,000,000,000 people
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I have the Money
Buy all transports until max level in one country
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Big spender
Buy all transports until max level with insurance
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Midas
Buy all transports until level and boost to the maximum with insurance.
LockedSteam
Slow and steady wins the race
Complete 30 countries with only the first transport
LockedSteam
Have games in your phone?
Buy 1 hint on the cellphone
LockedSteam
Inbox full
Buy 4 hints on the cellphone
LockedSteam
Endless spam
Buy 16 hints on the cellphone
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Texting addict
Buy 32 hints on the cellphone
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Breaking Six Figures
Make 100.000 Score
LockedSteam
Millionaire
Make 1.000.000 Score
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Score King
Make 100.000.000 Score
LockedSteam
To the Infinity!
Make 1.000.000.000 Score
LockedSteam
What is the person's name again?
Have more than 400 stamps in the letter
LockedSteam
The Favorite
Have a stamp with more than 10 levels on the postcard
LockedSteam
Gringo
Buy 1 passport
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Traveler
Buy 5 passports
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Explorer
Buy 10 passports
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Adventurer
Buy 15 passports
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Globetrotter
Buy 20 passports
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Living Legend
Buy 25 passports
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In need for a booster
Buy 5 stamp boosters
LockedSteam
Not enough
Buy 10 stamp boosters
LockedSteam
There’s always room for more
Buy 20 stamp boosters
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Loot Box Addicted
Buy 30 stamp boosters
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Shiny
Find a stamp with texture
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Disco
Find a stamp of each different texture in a run.
LockedSteam
Hasta La Vista
Win the first Consulate
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I’ll be back
Win the fifth Consulate
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Hasta forever
Win the tenth Consulate
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Lost and Found
Delivered the first letter
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Official Courier
Delivered 5 letters
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Diligent Postman
Delivered 10 letters
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Lost Letter
Delivered the Last Lost Letter
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Lost Letter

Technical details

Lost Letter

Technical details

Images

9 Childs Street

Blockappend

Blue Fire: Void Maker

Coloring Game

Furry Feet

Garbage Country

Q.u.q.

You Will (Not) Remain

Zup! 9

Zup! F

First Stamp

The Collector

Enthusiast

Hoarder

Specialist

Living Encyclopedia

Obsessed Collector

My Precious

Handyman

Master of Favors

Hit the Road

Born to Ride

Pedal to the Metal

Endless Route

World is My Backyard

Nomad

World Citizen

Small World

My Best Friend

Rolling the Sleeves

Official Restorer

Stay, There’s Cake

Cake for Everyone

Global Party

Infinite Buffet

We’ll Need More Cake

That Many People!?

I have the Money

Big spender

Midas

Slow and steady wins the race

Have games in your phone?

Inbox full

Endless spam

Texting addict

Breaking Six Figures

Millionaire

Score King

To the Infinity!

What is the person's name again?

The Favorite

Gringo

Traveler

Explorer

Adventurer

Globetrotter

Living Legend

In need for a booster

Not enough

There’s always room for more

Loot Box Addicted

Shiny

Disco

Hasta La Vista

I’ll be back

Hasta forever

Lost and Found

Official Courier

Diligent Postman

Lost Letter

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