Since this file originates from a third-party site ( juegosXXXgratis.com ) rather than the developer's official page (typically on platforms like Itch.io or Patreon), you should exercise caution:
The file appears to be a compressed installer for Hillside , an episodic psychological horror and adult-themed game developed by Darkblue . Version 0.12 is an early-access build of this title. Product Overview Full Product Name : Hillside by Darkblue (Version 0.12) Genre : Psychological Horror / Adult Visual Novel Platform : PC (Windows) Hillside-0.12-pc_[juegosXXXgratis.com].zip
: Use a tool like 7-Zip or WinRAR to extract the contents before running the Hillside.exe file. Since this file originates from a third-party site