No, I cant even launch the game, it just gives me this file I dont know how to open.
Can you send a screenshot of the file?
You should be able to open the game by clicking on the PolySquad icon as in the image below.
- Serdar
I'll send one when I can!
You need winrar or 7zip to extract the game files.
https://www.rarlab.com/download.htm
https://www.7-zip.org/