Users often confuse Modern Warfare 2 Campaign Remastered (released in 2020) with the newer Modern Warfare II (2022). The CUSA code in your post distinguishes it from these older titles.
Call of Duty: Modern Warfare 2 [CUSA34029] – Campaign Only (SPSX) -SPSX--COD.Modern.Warfare.2-CUSA34029-Campaign-...
This is the technical key. CUSA stands for "Console Unique Serial Area," and 34029 is the specific identifier for a particular version of a game on PlayStation consoles. In this case, a quick search reveals that CUSA34029 is the identifier for the version of Call of Duty: Modern Warfare II on the PlayStation 4 . It is also, confusingly, used for Call of Duty: Modern Warfare III . This ID is embedded in the game's files and is used by the console to verify licenses and load the correct assets. Users often confuse Modern Warfare 2 Campaign Remastered