Related to Last Lousy Point, this is that one achievement (or trophy) that keeps you from true Hundred-Percent Completion. Particularly jarring to players when most of them were either easy to obtain, or fairly easy. Some players loath these with a passion. Others delight in actually getting these just to rub everyone's nose in it. Of course, there are those who are apathetic about it, but they are unlikely to be hunting for these in the first place. Examples of That One Achievement include: