: The scene group CODEX officially retired in early 2022. Since the Lost Island DLC was released around that time, ensure you are sourcing files from reputable community mirrors to avoid malware.

: All parts must have the exact same name, differing only by the part number (e.g., ARK...part01.rar , ARK...part02.rar ).

Because this is part of a split archive, it cannot be used or opened on its own. How Multi-Part RAR Files Work

: If you get a "Checksum Error" or "Unexpected end of archive" involving part 22, that specific file is likely corrupted and needs to be redownloaded. Important Considerations