Arguably one of the best aspects of the Xbox 360 is the achievement system. Microsoft's achievements gave the highscore a makeover. The highscore has, needless to say, always played its part in the gaming industry. Microsoft's achievements system has fueled competition amongst gamers, many 360 gamers are so obsessed with improving their gamerscore that they will buy games based on the feasibility of the achievements. Now, some of these achievements can be extremely annoying/frustrating/very annoying, Paragamer.com have put together a list of some of the most annoying achievements and achievement types we have come across.