"TU" typically stands for "Title Update," commonly used in console or PC gaming to denote a specific patch.
If you have downloaded this file or found it on your system, consider the following: File: TU_0_1_1_1_patreon.zip ...
Creators on Patreon often use this naming format for early-access releases of game modifications, 3D models, or software tools. "TU" typically stands for "Title Update," commonly used