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Once you've mastered the basics, take your customization to the next level.

Right-click the Shimeji icon in your system tray (bottom right corner of your taskbar), click Choose Shimeji , check the box next to your new skin, and click Use Selected . Troubleshooting Common Issues

As of , the Shimeji desktop pet community continues to release updated skins and behavioral features across various platforms . Recent updates focus on improving animation realism and expanding compatibility across operating systems like Windows, Mac, and Linux. Latest Software & Platform Updates

: Open your main Shimeji program directory. Go into the folder named img , then the subfolder named Shimeji . Replace or Add Files :

: This popular mobile and desktop-adjacent app received a massive engine update in April 2026 , featuring a new animation system and "Mushroom" currency to unlock original characters.

Upgrading your Shimeji setup with new skins is a straightforward process. Follow these steps to get your new pets running: Prerequisites

The largest repository of user-created skins.

: Characters from Demon Slayer , Jujutsu Kaisen , Naruto , and One Piece remain the most popular updates.

Creating the image set is the most time-consuming part. Here are the key tools and approaches you can use:

The ability to transform the default mushroom-looking character into a favorite anime hero, a game character, or an original design is what gives these digital companions their lasting charm.