Just checked your game and I am pretty sure I have seen it on some app for Role play.
Easy to understand and child friendly, great job.
A downloadable game
In Mail Mouse you play a mouse who has given up their trade to become a courier delivering packages to settlements. You're not a brave knight, you're just a postman, but there's still much danger in delivering a parcel.
The setting of Mail Mouse is anthropomorphic medieval mice. You are the size of a real mouse so the weather and predators provide many obstacles. It's a bit like a cute and furry version of the videogame Death Stranding.
Mail Mouse was designed for play-by-post, so the rules and structure are geared towards episodic play with a focus on narrative as opposed to tactics.
If you want the rules as an editable text document the active draft is at this url:
I'm also developing a branch of these rules based on tags instead of points. I am awaiting playtest results before consolidating them further:
Click download now to get access to the following files: