This is part of a scene-released PC game dump, often found on file-sharing sites, requiring all parts (part1, part2, etc.) to be downloaded and extracted together using software like WinRAR.
Based on your query, PERISH-TENOKE.part4.rar refers to the fourth part of a multi-part RAR archive for the game , released by the scene group TENOKE . PERISH-TENOKE.part4.rar
Are you getting a or password prompt during extraction? This is part of a scene-released PC game