> When console games started selling for $59.99 (or more)
So last century? Big single player 16 bit games were $80usd (e.g. Phantasy Star II) and $59.99 was not unusual for run of the mill licensed or sports games.
https://i.redd.it/ikerxbqipf821.jpg
It's amazing that 59.99 survived as a standard price for games as long as it did.