Why would a PS4 game take up 99 GB of memory when others take up 60 or less? Could it be the amount of updates?

It’s Assassin’s Creed Odyssey if that helps.
Why would a PS4 game take up 99 GB of memory when others take up 60 or less? Could it be the amount of updates?
Why would a PS4 game take up 99 GB of memory when others take up 60 or less? Could it be the amount of updates?
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