The thing I always wonder is how testing/QA worked back in the days for cartridge/disk games. I mean, there've been a few quirks here and there but no game I can recall ever became unplayable — As opposed to nowadays where you can't even launch something before applying 50GBs of fixes.
I remember Quest For Glory IV shipped with a game-breaking bug that required downloading a patch from a BBS and possibly starting with a new save. I never finished the game because of that one. Much worse when it was ROM media - Impossible Mission for the Atari 7800 is literally impossible to complete because of a bug that made it into the release. Still, this stuff was really rare. Very different QA mindset when rec…
Well, they were right.