Version 0.6 is an early-access build. The game has since progressed much further (recent versions are in the 0.14+ range).
It looks like you’ve shared a filename——which typically refers to a downloadable build of an adult visual novel or indie game called Projekt Passion . File: ProjektPassion-0.6-pc.zip ...
Once extracted, look for an executable file (usually ProjektPassion.exe ) inside the folder to start the game. Version 0
It is an adult-themed sci-fi visual novel developed by a creator known as Airis . File: ProjektPassion-0.6-pc.zip ...
The "pc" tag means this specific file is formatted for Windows or Linux operating systems. How to use this file:
Since it is a .zip file, you need to right-click it and select "Extract All" or use a tool like 7-Zip/WinRAR.