What are the achievements you have gotten on the 360? Like the ones you spent days on and finally got it and wouldn't want to try it again. Maybe like "A Monument to all your sins" on Halo Reach for beating the campaign on Legendary...Alone. anyone got em? <!--emo&::cheers::--><img src='http://i5.ifrm.com/3768/2/emo/happy0167.gif' border='0' style='vertical-align:middle' alt='happy0167.gif' /><!--endemo-->