: The file extension for a WinRAR archive. You will need a utility like WinRAR or 7-Zip to extract the contents, which typically include the game executable and data files.
Files with this naming convention are common on third-party sharing sites. Ensure you have robust antivirus software active before interacting with such archives, as they can sometimes contain secondary unwanted software. Oxygen.Not.Included.Hot.Shots-P2P.rar
: Stands for "Peer-to-Peer." This indicates that the file was packaged and shared by individuals in the file-sharing community rather than a traditional "Scene" release group. : The file extension for a WinRAR archive
: The title of the game, a space-colony simulation developed by Klei Entertainment. Oxygen.Not.Included.Hot.Shots-P2P.rar