NPS Browser supports queueing. Add 20 games, leave it overnight. You can also use nps-cli (command line) for server automation.
Why "Unpack"? NPS downloads encrypted PKG files. The client automatically converts them to a folder structure (NoNpDrm format) that your hacked console understands. nopaystation guide hot
Socializing is a key part of a fulfilling lifestyle, but it doesn't have to drain your wallet: NPS Browser supports queueing
pkg2zip -x game.pkg -l work.bin