Riddler_-_skin_12.rar

Scan the file using an antivirus or VirusTotal before extracting.

Based on general gaming modding communities, this "Skin 12" likely refers to one of the following: Riddler_-_Skin_12.rar

: A text file explaining which folder to drop the files into (e.g., the DLC or Content folder in an Arkham game directory). Safety Warning Scan the file using an antivirus or VirusTotal

Are you trying to this skin into a specific game, or Downloadable Content - Arkham Wiki including the iconic green suit

: The actual images that provide the "skin" detail, including the iconic green suit, question marks, and facial features.