: The names "CPY" and "CODEX" refer to famous warez groups known for "cracking" digital rights management (DRM). However, CODEX officially retired in 2022, and CPY has been largely inactive, making "2021" versions of older games suspicious.

: To play Silent Hunter 4 safely, it is available on legitimate platforms like Steam and GOG, which frequently offer it at a significant discount.

: Do not click on results that use this long, hyphenated naming convention, especially if they are hosted on unrelated sites (e.g., a medical journal hosting a "game crack").

: Silent Hunter 4: Wolves of the Pacific is a submarine simulation game originally released in 2007.