Upload the file to VirusTotal to check it against dozens of antivirus engines at once. 2. Extracting the "Piece"
If you downloaded this .zip file from a third-party site, it is highly recommended to scan it before opening. Files with long, specific version strings like v0.30111 are common in the pirated software community and can sometimes carry bundled "extras" you don't want.
Since this specific version is quite old (the game has since reached its full 1.0 release), here is the best way to handle this file: 1.