 Concerned : The Half @-@ Life and Death of Gordon Frohman is a webcomic created by Christopher C. Livingston , parodying the first @-@ person shooter video game Half @-@ Life 2 . The comic consists of game screenshots , with characters posed using Garry 's Mod , a tool which facilitates manipulation of the Source engine used by Half @-@ Life 2 . The first issue was launched on May 1 , 2005 . The comic completed its run on November 6 , 2006 with a total of 205 issues . 
