Xbox Store GameDaily on Achievements by Major Nelson • Jan 4, 2007 @ 7:53pm Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share via Email. Good article on Xbox 360 Achievements (with some comments by Aaron ‘BigVIP’ Greenberg.) Nerd cred is one I have not heard before. (I like this phrase better) Who here has the ‘Seriously’ achievement? Edit: Added second link.