Cat Mail Co Wiki
Run a cozy cat post office on a peaceful island. Sort parcels, uncover mysteries under moonlight, and restore postal glory — solo or with up to four friends.
Cat Mail Co in Action
Quick Start for New Postmasters
Just picked up Cat Mail Co on Steam? Start with the fundamentals before your first boat arrives. Learn every control, confirm your PC can run the game, and understand how demo progress carries over to the full release.
Cat Mail Co Controls Guide
Master WASD movement, the F stamp mode, scanner interactions, and key rebinding.
Read moreFirst-Day Walkthrough
Step through your opening shift from customer pickup to loading the evening boat.
Read moreDemo & Launch Bonus Guide
Transfer demo saves, claim the free Supporter Pack, and catch the launch discount.
Read moreBeginner Tips
No-timer pacing, label-facing shelves, multi-grabs, and mistakes to avoid.
Read moreCore Gameplay Loop
Cat Mail Co revolves around a satisfying daily rhythm: receive mail, process packages correctly, serve island residents, and prepare outgoing shipments. Night shifts add a magical layer where moonlight reveals hidden truths inside the backlog.
Package Handling Guide
Weigh parcels, apply destination labels, mark fragile and heavy goods, and decorate with stamps.
Read moreParcel Identification
Match customer names, sizes, and stickers without emptying every shelf.
Read moreLovers Parcels Guide
Heart stamps, Revealuna partner trails, and same-boat pairs.
Read moreNight Packages & Moonlight Mechanics
Discover how moonlit parcels change your priorities and advance the central mystery.
Read moreCo-op Guide for 4 Players
Divide roles between dock worker, postal clerk, organizer, and customer assistant.
Read moreAll Gameplay Guides
Browse every gameplay topic in one hub.
Read moreProgression & Upgrades
Smart upgrade choices transform a chaotic pile of undelivered mail into a calm, profitable post office. Prioritize tools that reduce repetitive movement and unlock new destinations early.
Best Upgrades to Unlock Early
Bulk Weighing, Summer Room, Moonlight Insight, and more ranked by impact.
Read moreItems & Tools Reference
Scales, scanners, stamp types, stickers, and boat-loading equipment explained.
Read moreMap & Destinations Guide
Explore Cat's Island, Port Windy, Sunny Shores, and the Summer Room.
Read moreVideo Guides Hub
Prefer learning by watching? Our step-by-step video guides cover beginner basics, sorting workflows, post office organization, co-op strategies, night package secrets, and unlocking Sunny Shores.
How to Play Cat Mail Co for Beginners
A complete introduction to your first cozy postal shift.
Read moreHow to Sort and Stamp Packages
Master the weighing, labeling, and stamping workflow.
Read moreHow to Identify Parcels
Name, size, and sticker matching at the counter.
Read moreHow to Organize Your Post Office
Build dedicated zones for incoming mail, processing, and outgoing shipments.
Read moreHow to Play Co-op with Friends
Turn solo chaos into a smooth four-player production line.
Read moreHow to Handle Lovers Parcels
Heart stamps, Revealuna trails, and same-boat pairs.
Read moreHow to Handle Night Packages
Investigate moonlit parcels and uncover hidden routing clues.
Read moreHow to Load the Boat
Multi-destination stacking and dock bell departures.
Read moreAll Video Guides
Browse the complete guide collection.
Read moreTools & Reference
Use our interactive postage checklist before every shipment, track all 17 Steam achievements, read an honest review, and verify your hardware.
Postage Reference Tool
Interactive checklist for destination, weight, fragile, heavy, and night markings.
Read moreAchievements Guide
All 17 Steam achievements with unlock tips.
Read moreCat Mail Co Review
Is this cozy postal simulator worth your attention after launch?
Read moreSystem Requirements
Check GPU, RAM, and storage needs — integrated graphics are not supported.
Read moreLatest Updates – August 2026
Cat Mail Co launched July 9 and sits Very Positive on Steam. Patches #1–#3 (through July 17) added respawn, offline play, boat storage types, lovers VFX clarity, storage tags, and major physics/lobby fixes. The free Supporter Pack window ended July 16.
Launch Updates & Patch Notes
Full timeline: launch, Patch #1–#3, Supporter Pack, and August status.
Read moreTroubleshooting Guide
Fix infinite loading, co-op disconnects, and performance stutter.
Read moreAchievements Guide
Including the Patch #2 co-op All cleaned up fix.
Read moreLovers Parcels
Heart pairs polished in Patch #2/#3.
Read moreCold Room Guide
Temperature-sensitive parcels — piles reduced in Patch #1.
Read moreDemo & Supporter Pack
Free demo save transfer; Supporter Pack is paid DLC.
Read moreFrequently Asked Questions
What is Cat Mail Co?
Cat Mail Co is a cozy first-person postal management simulator by Maracas Studio. You restore a struggling cat-run post office on a peaceful island, sorting and delivering parcels while uncovering a mystery about the missing postmaster.
Is Cat Mail Co multiplayer?
Yes. The game supports online co-op for up to four players. You can divide sorting, stamping, organizing, and boat-loading tasks among your team or play entirely solo.
Does the demo save transfer to the full game?
Yes. Any progress made in the free Steam demo automatically carries over when you purchase the full version. You do not need to start over.
What are the night package mechanics?
During nighttime shifts, moonlight reveals hidden symbols and special properties on certain parcels. The Moonlight Insight upgrade makes these markings visible and ties directly into the game's narrative mystery.
Can I play Cat Mail Co on Steam Deck?
Yes, with adjustments. The game runs at a stable 40 FPS on Steam Deck using Proton 10. Native controller support was not available at launch, but the keyboard template works well.
What is the free Supporter Pack?
Buyers who purchase Cat Mail Co during the first week after launch (approximately July 9–16, 2026) receive a free Supporter Pack containing an artbook, soundtrack, and bonus item. After that window it becomes paid DLC.
Does Cat Mail Co have timers or penalties?
No. The game is designed as a stress-free cozy experience with no timers, bankruptcy penalties, or fail states. You work at your own pace.
Where can I find the best beginner tips?
Start with Beginner Tips, Controls, and the First-Day Walkthrough, then Parcel Identification and the beginner video guide.
What is the latest Cat Mail Co patch?
Patch Note #3 on July 17, 2026 — storage tags, pile VFX, newest-save-first slots, demo key migration, and parcel/lobby fixes. See Launch Updates.