Instead of searching for "juegos de ps3 pkg gratis free" (which implies piracy), I suggest:
: While they primarily host ISOs/JB folders rather than PKGs, this site is cited by the community as the most trustworthy for file integrity and lack of malicious ads.
The enthusiast community has developed several tools to facilitate the discovery and installation of PKG content:
The vast majority of PKG files available for download on the internet are unauthorized reproductions of copyrighted software.