There's a pretty good chance that nobody has even played the game after that kind of time, too

That fits exactly what happened to me perfectly in the 2016 (I think) Ratchet and Clank. I never tried to get any of the golden bolts cuz I didn’t really notice, and then when I decided to replay the game, I finally decided to get all the golden bolts and noticed the Infinite Ammo “cheat” the game gives. I tried about 20 times to beat Dr. Nefarious and then gave up. I got the infinite ammo thing and beat him in less than a minute. I was so happy I started crying