This work by Lone Star College-University Park Library is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.
Because the original code is open-source, fans create "mascot packs" for their favorite characters. Ralsei, being a beloved character known for his gentle personality and fluffy appearance, is a prime candidate for this format.
If you have downloaded a Ralsei Shimeji UPD file, follow these general steps to get him running on your desktop:
Do you need help finding a safe download link for the or Chapter 2 (hatless) version? shimeji ralsei upd
In a world of stressful notifications and endless spreadsheets, having a tiny Ralsei occasionally trip over your "Recycle Bin" or sit on top of your Chrome tab is a great way to keep your mood lifted. He’s non-intrusive, adorable, and reminds you that even in the Light World, you’ve got a friend.
By the second day, Ralsei had grown bold. Because the original code is open-source, fans create
As of mid-2026, the Ralsei Shimeji is in excellent shape. The March update addressed nearly all of the major issues reported by users, leaving a stable, polished product. However, the Shimeji community never truly stops iterating:
Kick or throw your browser windows off-screen (which can be disabled if you prefer to work in peace!). Shimeji Ralsei Updates (Upd): What’s New? In a world of stressful notifications and endless
Disclaimer: This is a fan-made project and is not officially affiliated with Toby Fox or UNDERTALE.
: Set a rare behavior where Ralsei sparkles (using animation frames) to "heal" your desktop.
This work by Lone Star College-University Park Library is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.