來源：gamingbolt
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目前還是有些人喜歡購買遊戲實體版，因為擁有光盤就可以在不下載大堆數據的情況下玩遊戲。但是《決勝時刻19：現代戰爭2》的光盤似乎並非如此，其PS5版光盤中只有70MB的數據，可能是某種激活密鑰和DRM。
當你試圖在不下載任何東西的情況下運行光盤，會提示玩家連接到PlayStation網絡，下載一個允許他們遊玩的更新，這使得購買光盤變得毫無意義，目前不知道Xbox版光盤是否也是這樣。
The PS5 version of Call of Duty: Modern Warfare 2 only has around 70MB of data on its physical disc, rather than the more substantial number of files one would expect from a major game release. According to MP1st, players who managed to get their hands on physical copies of Call of Duty: Modern Warfare 2 discovered that the discs only contain 70MB of data, which would likely be some sort of activation key and DRM. Presumably, inserting the disc into a PS5 wouldn’t do much besides prompting the console to download the entirety of the game. Trying to run the disc without downloading anything prompts the player to connect to PlayStation Network to download an update that would allow them to play. It is also worth noting that players saw a 40GB day one update before they could start playing. Shortly after its day one patch, the total size for Call of Duty: Modern Warfare 2 has grown quite a bit. According to reports, it is now sitting at around 152GB of data. While there has been no confirmation about whether the Xbox version of the game shares this detail, it would be quite likely that Xbox discs would also similarly include just the license data, rather than a full game that can be played without having to connect to the Internet.