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Cat Mail Co.

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Cat Mail Co. gameplay previewOfficial trailer

Restore an island post office by sorting deliveries, preparing outgoing mail, and uncovering moonlit parcel secrets.

Launched Jul 2026Patch 1 released Jul 11, 2026Up to 4-player co-op17 Steam achievementsVery Positive Steam reviews
Start the Beginner GuideLearn Package SortingPlan Co-op Roles

Latest Cat Mail Co. Guides

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Beginner Guide: Sort, Stamp, and ShipGameplay Walkthrough: Your First ShiftsHow to Play: A Complete Postal RoutineCold Parcels: Storage and Scanner Guide

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Your Cat Mail Co. Journey

1Beginner GuideLearn the first-shift routine, from receiving mail to serving customers and loading the boat.
2Package SortingUse weighing, labels, stamps, storage zones, and the right handling order to keep mail moving.
3Moonlight MechanicsUnderstand what changes after dark and how nighttime package clues affect your post office routine.
4Co-op WorkflowSplit counter, sorting, storage, and boat tasks across a team without creating a parcel backlog.

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Beginner Guide: Sort, Stamp, and ShipStart Cat Mail Co. confidently with practical guidance on sorting, stamps, customers, boat loads, safe storage, and moonlit post-office mysteries today.Gameplay Walkthrough: Your First ShiftsFollow this Cat Mail Co. gameplay walkthrough through early postal shifts: pickups, stamps, scales, dock loading, organized storage, and night work today.
Beginner Guide: Sort, Stamp, and Ship Gameplay Walkthrough: Your First Shifts How to Play: A Complete Postal Routine Cold Parcels: Storage and Scanner Guide

What is Cat Mail Co.?

Cat Mail Co. is a cozy post-office management simulation from Maracas Studio for Steam. You receive parcels by boat, weigh, stamp, label, organize, and ship them while restoring an island mail service.

The relaxed daytime flow is joined by nighttime mysteries, unlockable destinations, tools, and abilities. You can manage the post office solo or organize the work with up to four online co-op players.

Cat Mail Co. game artwork

Developer

Maracas Studio

Platform

Steam

Genre

Cozy management simulation

Release Date

Jul 9, 2026

Players

1 to 4 online co-op

Achievements

17

Reviews

Very Positive

Reference Library

Explore Cat Mail Co. Guides

Source-checked guides for the postal workflow, moonlit parcel systems, co-op roles, Steam details, and completion goals.

Cat Mail Co. Beginner Guide

Start with receiving incoming mail, serving customers, preparing outgoing parcels, and loading the boat.

1Receive daily boat mail and identify each parcel's next action.
2Serve customers and complete the required handling steps.
3Organize storage before loading outgoing deliveries.

Cat Mail Co. Package Sorting

Learn the verified weighing, stamping, labeling, sorting, and shipping loop.

1Check each parcel before assigning its handling step.
2Use stamps and labels in the official package-handling system.
3Sort completed parcels into clear storage and shipping areas.

Cat Mail Co. Co-op Guide

Plan a calm online co-op shift for two to four players with visible responsibilities.

ReceivingManage incoming boat mail and pass parcels onward.
SortingPrepare packages through handling and storage.
ShippingKeep outgoing parcels ready for boat loading.

Cat Mail Co. Moonlight Mechanics

See how moonlight reveals hidden truths about packages and changes the routine after dark.

DayHandle customer, storage, and boat-delivery flow.
MoonlightUse nighttime package revelations as a distinct mechanic.
ProgressConnect each routine to restoring the post office.

Cat Mail Co. Office Organization

Build a clear parcel workflow for receiving, processing, storage, and shipping.

ReceivingKeep incoming mail identifiable before processing.
ProcessingGive weighing, stamps, labels, and sorting a consistent workspace.
ShippingSeparate completed deliveries from unfinished work.

Cat Mail Co. Boat Routes

Understand the daily boat-delivery loop and how destinations connect to progress.

1Receive deliveries arriving by boat.
2Prepare outgoing parcels for their next journey.
3Unlock destinations as the post office improves.

Cat Mail Co. Updates

Review source-grounded launch information and current player-facing notes.

Patch 1Added a respawn button for stuck players.
Parcel PilesReduced parcel piles in cold and hot rooms.
Save FixesFixed a break-room key issue in affected saves.

Cat Mail Co. Achievements

Use the Steam achievement list as the canonical completion reference.

SteamCat Mail Co. lists 17 Steam achievements.
TrackingCheck progress through the Steam Community Hub.
UpdatesRecheck official Steam information when details change.

Frequently Asked Questions

What is Cat Mail Co.?

Cat Mail Co. is a cozy Steam management game about restoring a cat-run island post office by sorting, preparing, and shipping parcels.

Does Cat Mail Co. have co-op?

Yes. Cat Mail Co. supports online co-op for up to four players according to its Steam store page.

Are there active Cat Mail Co. codes?

No official code-redemption system is listed in the currently verified Cat Mail Co. sources.

Where can I report a Cat Mail Co. issue?

Use the Cat Mail Co. Steam Discussions forum, where Maracas Studio has directed players to report launch-week issues.

Ready to Run a Better Post Office?

From your first incoming boat to a well-organized co-op workflow, this community wiki helps you make every Cat Mail Co. shift clearer and calmer.

Read the Beginner GuidePlay Cat Mail Co. on Steam