how do game patches work?

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Let’s say a game file size is 500MB. If there is a 100MB patch, does the file size go to 600MB? Or does it patch what’s needs and deletes the old files?

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Anonymous 0 Comments

My game might have 10 files file1 to file10, and every file is 10 MB. I make a patch which:

1. Adds new content => I need to create a new file11 for the content, 10 MB for that

2. Fixes a bug in some old content => I upload new version of file3, another 10MB

3. Adds cross-functionality with new file11, so I need to upload the main game in file1, another 10MB.

So in total, I will upload 3 files, total of 30MB. However, since two of these files replace old ones, only one is new, the game size goes from 100 MB to 110MB, not 130 MB, since I can delete the old versions of file1 and file3.

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