Based on current technical database information, is typically associated with custom content (CC) or modifications for life simulation and sandbox games, most notably The Sims 4 or Yandere Simulator . These types of files are "split archives," meaning "part1" is only the first piece of a larger set that must be extracted together using software like WinRAR or 7-Zip .
While specific features depend on the exact version and creator (often found on platforms like CurseForge, Patreon, or Fanon Wikis), these files generally include the following types of assets: Core Contents & Features WinRAR download free and support: WinRAR y120_Customs.part1.rar