A single PS4 PKG can be 50GB to 100GB. A "list" of 200 free games implies 5TB to 10TB of storage. Do not attempt to download an entire list unless you have a massive external HDD (8TB or larger) formatted specifically for the PS4.
For users who upgrade to the premium version, additional features include: ps4 pkg list free
A list is not the game file itself. A PKG list is a curated database or spreadsheet (often a Google Sheet, text file, or JSON API) that tells you: A single PS4 PKG can be 50GB to 100GB