Ape Escape 2, the PS2 classic (which has been re-released on PS4) is currently 60% off on the PlayStation Store for PlayStation Plus members.
It’s my personal favourite PS2 game (so obviously the best) and it’s in full high-definition with trophy support. At $5.97, there’s literally no reason why this shouldn’t be in your collection.
It’s well worth playing as obviously an Ape Escape revival is due to be announced by PlayStation any minute now. You can find it HERE until the 6th of July.