This is where the Shimeji truly shines. The pack supports a that allows Ralsei to switch between two forms:
While originally limited to Windows PCs, the updated project spans multiple platforms:
Modern updates allow users to easily toggle between Ralsei’s classic look and his fluffy Chapter 2 look. How to Install the Shimeji Ralsei Update
If you are a Deltarune fan, adding a to your desktop is a must. It's a small, free, and incredibly charming way to personalize your computer. With the updated versions, Ralsei will be more expressive, less buggy, and ready to bring a smile to your face during a long workday.
The popular "hatless" Ralsei project on Itch.io received its final major update in March 2026, featuring customized sprites and improved animations.
Then, one by one, they faded into tiny sparkles, like dust motes in a sunbeam.
Even with an update, things can go wrong. Here’s how to fix the most common problems:
A Shimeji is a small, interactive desktop mascot that crawls around your screen. They can walk, climb the sides of your monitor, sit idle, or multiply. They don't serve a functional purpose other than being adorable companions.