If you’ve been looking for a fluffy, polite goat boy to climb around your monitor and keep you company while you work, the Ralsei Shimeji is one of the most popular desktop mascots for fans of Deltarune.
The "upd" (update) tag usually refers to the version of the shimeji that has been refined with better animations, fixed coding (so it doesn't crash your PC), or expanded behavior sets.
As of 2025, the Deltarune fandom is eagerly awaiting Chapters 3, 4, and 5. With new chapters come new Ralsei outfits and animations. The developers behind the shimeji ralsei upd have hinted at a future "Chapter 3/4/5 Mega Update" that will include: shimeji ralsei upd
To stay updated, follow the hashtag #ShimejiRalseiUPD on social media and watch the GitHub repository that hosts the project.
In the realm of digital customization and fandom culture, few trends are as enduring as the Shimeji—small, animated desktop mascots that crawl, climb, and multiply across a computer screen. Among the most popular characters adapted into this format is Ralsei, the Dark Prince from the indie RPG Deltarune. Desktop Companion: Shimeji Ralsei (UPD Edition) If you’ve
If you have encountered the term "Shimeji Ralsei UPD," it typically refers to an updated or upgraded version of a Ralsei shimeji file. Below is a breakdown of what this software is, what the "UPD" entails, and how to use it safely.
DeviantArt
"Ralsei Shimeji"GitHub / Shimeji-ee
.shimeji or .jar packs.Discord Shimeji servers
Steam Workshop (Wallpaper Engine)
⚠️ Always scan downloads with VirusTotal – Shimejis are
.jarfiles and safe, but some bad actors rename malware. Ralsei with new accessories (scarves, alternate cloaks)