Cat Mail Co., a cozy cat-run post office sim, launches on Steam July 6

Maracas Studio, a small Belgian outfit, is shipping its first game on July 6. It is called Cat Mail Co., and the pitch is exactly what it sounds like. You run a post office staffed by cats, on a quiet island, and you spend your days sorting parcels. The studio is not dressing it up as anything bigger than that, which is part of why it works.

A vanished postman and a mountain of mail

You arrive on the island to find the previous postman gone and the place in chaos: parcels stacked to the ceiling, customers losing patience, a postal service about to fall over. You bring it back one package at a time. Mail comes in by boat, outgoing parcels get loaded for the trip out, and you handle everything in between. You weigh parcels to set the postage, apply destination labels, mark the fragile and heavy ones, and decorate them with stamps. Sort a package to the wrong place and it can come back damaged.

The Steam page keeps circling one idea: "There's no such thing as a 'correct' way but just your way." That is the design talking. This is a game about organizing a space the way you want it, not hitting a target someone else set.

The night shift is the twist

There is a day and night cycle, and the night is where Maracas is trying to do something other than another cozy chore sim. After dark, the studio says, moonlight "reveals hidden truths about packages," with some parcels taking on strange properties that change how they should be handled. The backlog itself is framed as the story. You learn what happened to the post office by working through the mail it left behind. Whether that mystery has real weight or is just nice set dressing is exactly the kind of thing a demo cannot tell you. I am noting the ambition, not vouching for the payoff.

No timers, and room for three friends

Maracas is calling this a "pre-crastination" game, a loop built around preparation and flow with no timers and no fail states. That is a real design choice, not a tagline. Take it out and the whole appeal changes. It also ships with online co-op for up to four players. In co-op you split the workflow: someone on the scales, someone stamping and labeling, someone loading the boat. It is the single-player loop with the work divided up, which is a sensible way to make a calm management game social without bolting on competition.

System requirements are modest. Windows 10 or 11, an Intel i5-3330 or AMD FX-8300, 8GB of RAM, a GTX 950. The game launches with interface and subtitle support in 11 languages and full English audio.

About those numbers

Here is the part to read carefully. The Cat Mail Co. demo went up during Steam Next Fest in June, and by the studio's own count it pulled a 95% positive rating from 185 reviews and crossed 50,000 wishlists in the two weeks after announcement. Those are the developer's figures, repeated from its press materials by the outlets that covered the launch date. A 95% rating off 185 reviews is a small sample of people who chose to try a cozy demo, so it reads as early enthusiasm rather than a verdict. The demo is still on Steam, which is the honest move here: you can go decide for yourself before paying anything.

I have not played the full game, so this is a preview and not a review. A demo that lands well can still wear thin across a full release, and a sorting loop lives or dies on how much depth is hiding under the calm. But the concept is clear, the studio is being straight about what the game is, and a four-person co-op cat post office is a specific enough idea to be worth a look. Cat Mail Co. releases July 6 on Steam.