Postmouse

Postmouse

Critters Collective · January 30, 2023 · Adventure, 3D Platformer, Singleplayer, Exploration, Free to Play

Postmouse is free to play — no purchase needed. We track it so you know if that ever changes.

PC
Very Positive90% · 1,6397playing now
This game is free to play. Get it on Steam →

Screenshots

Postmouse price

Postmouse is free to play — there is no purchase price, on Steam or anywhere else we track. We keep watching it, so if it ever stops being free the price history on this page will show when that happened and what it changed to.

About Postmouse

✦ AI summary

Guide a timid mouse through a hauntingly beautiful steampunk mansion to deliver mail and help the quirky residents who live there. Solve environmental puzzles, explore a lovingly handcrafted overgrown landscape, and discover what lies beyond your sheltered post-office home.

From the students of the Animation Workshop, Postmouse is a third-person single-player puzzle platforming game about a timid mouse who has to go on their first adventure to deliver mail. Having always dreamt of the world beyond their little post-office, Postmouse is emboldened to enter the great unknown. Meet charming animals, solve precarious puzzles and explore ruins of a time long past on your mission to deliver letters to those waiting to hear from their loved ones. 

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FEATURE LIST: 

Run around and explore a vast, ruined landscape situated in the midst of a 19th century abandoned mansion - a lovingly handcrafted, overgrown teslapunk landscape. 

Solve environmental puzzles, navigate treacherous climates, and most importantly - deliver the mail on time! 

Meet and talk to the many diverse residents of the Yellow Woods on your journey - listen to their worries, and they may even help you on your way. Help Postmouse tackle new, exciting situations on a journey that explores the boundaries of their comfort zone. 

Collect stamps for the local collector as you explore to receive beautiful concept art and background story. 

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STUDIO STORY - who are we?  

In an isolated town, in the middle of Denmark, surrounded by fields. In a campus made from old military barracks. You find an education in Animation and Computer Graphics. There, in the dark, lit up only by blue light from computer screens, you will find a large group of students with a lot of creative energy. - Critters Collective! Formed, because we had no other choice. Please, do enjoy. It has been made with blood, sweat, tears and the occasional beer.

Postmouse — game info

Platforms
Windows
Steam Deck
Unsupported
Player modes
Single-player
Controller
Full controller support
PC Game Pass
Not included

What Steam players say

Recent verbatim reviews from Steam — separate from playze.io community reviews below.

Recommended Sep 17, 2026
Very cozy game!
Recommended Sep 16, 2026
This is a very cute free game with a lot of heart, but the actual map/navigating are kind of miserable. [spoiler]The first area you start in requires a weird jumping maneuver over a permanently closed fence, and the whole map lacks clear paths in many areas that make it difficult to know what to do or where to go. Pair that with the sometimes janky platforming and it can get a bit more difficult than a game with such a simple premise should.[/spoiler] I'll give it a recommend though since it is free so I can't complain that much, and I probably will finish it at some point.
Recommended Sep 12, 2026
This is an amazing game with wonderful story. i wish this could have been longer it really is an amazing game it needs a sequel
Recommended Sep 8, 2026
Honestly a super fun game :) Loved the platforming too, the characters were all quite charming. My only negative feedback is regarding the use of 'E' for interaction, it was kinda janky and updation of objective in some areas should be completed instantly as the task is done and not tied to me moving around to some area, because currently if your task is done and dont know where to go next and try to use the Instinct feature to guide you, it will just keep on pointing to the already completed task.
Recommended Aug 31, 2026
i have played 83 minutes of this game and i really love the story and the subplot in the pictures around the map about the family BUT i can see why its free it is very buggy and i went in on keybord and mouse because the steam libery page said unknown controller support the platforming on this game is very weird on keybord atleast but the chase seen was very confusing and borderline inpassable i spent to much time trying to get past it i decided to look at my ccontrolles and what do you know full controller support you do not understand my rage when i fugured that out i really hope they fix the bugs and make controller support way more noted BUT this doesnt mean i didnt like the game my expierence was just bad i beleve with a few fixes this game can be way better and again i LOVE the story its just very buggy 6.5/10 on my scale just one more thing i have a ps controller so that might be why it said unknown support
Recommended Aug 31, 2026
I can't believe this game is free! I was constantly impressed with how beautifully done the art is! That said, the biggest drawback for me was the camera. I get easily motion sick and this game had me dying. No matter what speed I set it to, there was always a struggle. Between that and clunky gameplay/controls, there were some frustrating moments for me for sure. If you can get past that, you'll have a good few hours of game (and it's free) with gorgeous scenery! I recorded my entire playthrough and posted the videos on my Steam profile for anyone who wants to watch them. You can also check out Larah Bear Gaming on YouTube where my gaming videos are more neatly organized in playlists.

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