Since a PS4 PKG is off the table, you still have several excellent, legitimate avenues to experience the peak era of Black Ops 2 . 1. Xbox One / Xbox Series X|S (The Best Console Experience)
: Playable via official backwards compatibility using an Xbox 360 disc or digital license.
If you want to play Black Ops 2 today, the most reliable methods are using a (via Steam), an Xbox One/Series X|S (via official backwards compatibility), or an original PlayStation 3 . PLAYING BLACK OPS 2 ON PS4!