Cat Mail Co Wiki
Cozy postal sim guideRestore a forgotten island post office, sort parcels from the daily boat, stamp deliveries your way, and learn how moonlit package secrets change the night shift.
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Start Here
Start Sorting Smarter
Learn the daily boat flow
Track incoming parcels, customer patience, outgoing boat space, and how to prepare before the next delivery wave.
Stamp and label parcels
Use weight, destination, fragile, heavy, and stamp details to avoid returned or damaged packages.
Prepare for night work
Moonlight can reveal hidden package properties, so keep a separate rhythm for ordinary and magical handling.
Plan solo or co-op roles
Assign sorting, stamping, loading, and customer service tasks when playing with up to four players.
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About Cat Mail Co
Cat Mail Co. is a cozy first-person post office simulation set on a quiet island where a former postman has vanished and left a mountain of undelivered mail.
The core loop is about slowing down into satisfying postal work: sort packages, weigh parcels, apply labels and stamps, organize storage, serve customers, load outgoing mail, and gradually restore the post office.
At night, the routine turns magical. Moonlight reveals unusual package properties, while upgrades, tools, abilities, and new destinations expand how the postal operation works.
Explore GuidesDeveloper
Maracas Studio
Publisher
Maracas Studio / Gamersky Games
Mode
Solo and online co-op
Achievements
17 on Steam
Release
9 Jul 2026
Review Snapshot
Very Positive
Cat Mail Co Guide Modules
Jump into the core wiki sections for postal flow, parcel handling, night mechanics, co-op roles, upgrades, achievements, official updates, and similar cozy games.
Cat Mail Co Beginner Guide
Learn the first-day loop before the backlog grows. This module covers the daily boat, customer service, storage habits, and how to keep the post office calm.
Cat Mail Co Sorting Flow
Sorting is the heart of the game. This module explains how incoming mail, storage space, destinations, and outgoing boat loading fit together.
Cat Mail Co Parcel Handling
Every package asks for a slightly different kind of care. This module turns weighing, labels, stamps, fragile marks, and heavy goods into a repeatable checklist.
Cat Mail Co Night Mechanics
Night changes the package routine. This module focuses on moonlit clues, strange package properties, and how to separate magical handling from the day shift.
Cat Mail Co Co-op Roles
Cat Mail Co supports up to 4-player online co-op. This module suggests role splits for sorting, stamping, loading, and customer work.
Sorter, stamper, loader, customer helper.
Storage organizer, night-shift inspector, upgrade planner.
Use the same roles as a personal checklist.
Cat Mail Co Upgrades
As the post office improves, new destinations, tools, and abilities unlock. This module tracks what each upgrade changes in the postal workflow.
Cat Mail Co Achievements
Steam lists 17 achievements for Cat Mail Co. This module organizes achievement hunting around normal postal tasks instead of spoiling story beats.
Cat Mail Co Official Updates
Use official Steam announcements and community links for release notes, bug reports, language support, and post-launch fixes.
Frequently Asked Questions
Quick answers to common Cat Mail Co questions.
Keep the island mail moving
Use each guide to make sorting, stamping, loading, upgrades, achievements, and co-op roles easier to manage.