File: In.nightmare.zip ... -

: Indie game developers often use this naming convention for early builds or "game jam" entries.

: Before extracting, upload the file to VirusTotal to check it against dozens of antivirus engines. File: In.Nightmare.zip ...

Because it is a .zip archive, you should exercise caution before opening it if you did not download it from a trusted source. : Indie game developers often use this naming