While the theme of the
series has always been about
difficulty, the previous games always felt fair, and at least offered options to
avoid some of the more annoying aspects of the game, like unfair PvP invasions.
The lower frequency portion of the record, longer than 50 y, has not been adequately analyzed, the
difficulty being that even this long record is not long enough to
avoid the cone of influence from the edges of the time
series.