: Large games are often split into smaller parts (like .part1, .part2, etc.) to make them easier to upload and download. You need all parts in the same folder to successfully extract the game.
: Without "part1.rar" and any subsequent parts, "part2.rar" is useless on its own. BIOMUTANT-CODEX.part2.rar
: This signifies that the game has been modified to bypass its digital rights management (DRM), such as Steam or Denuvo. : Large games are often split into smaller parts (like