Historically, repacks were legendary for one thing: aggressive compression.
: These repacks usually install much faster. Because they don't use the same level of heavy-duty compression, your system can decompress the data with less strain. 3. Game Content and Quality
From a technical viewpoint only (ignoring legality), FitGirl repacks typically offer superior compression, smaller downloads, and more installer options, at the cost of longer installs and higher temporary disk requirements. Black Box repacks are simpler and faster but larger and less configurable. Legally and ethically, neither should be used—purchasing or using legitimate copies is the recommended path.