Alex Cowan said:
KotOR - the stupid turret gun levels. Literally everything about that game was amazing, aside from those little minute-long sections...
Also, the fact that it didn't auto-save before them kinda screwed me over leaving Taris (had to do the entire end-of-planet boss-fight again. -,-)
Praise Jebus for playing on the PC. After the first couple times I encountered those, when I realized they trigger somewhat randomly on traveling between planets, I looked for some better way to deal with them. Turns out there's a completely trivial way to mod them out that doesn't affect anything else in the game, and someone even packaged it as a convenient 20k download. Problem solved. I forget exactly where I got it, because it's been a couple years since I last installed or played through the game, but it was on one of the KotOR fan/mod sites and pretty easy to track down.
As far as what I'd nominate as the worst part of my favorite game...well, KotOR is definitely up there, and that's one of the most annoying things in it. For the sake of variety, I'll go with Star Control 2, because it's in my avatar. It's kind of hard to hold the lack of built-in quest log or info on the map about what you've already explored against it because of its age, but it is a bit frustrating sometimes when playing it now if you don't keep your own notes or have a good memory (kind of like any 80s or early 90s RPG or adventure game, I guess). The resource gathering gets kind of old after a while, too, particularly if you've already played the game through at least once (although it's nowhere near as bad as ME2, which is like an even more dumbed down and tedious version of it), and there's always the planet lander bug to fix that. Heh.