Concerned: The Half-Life and Death of Gordon Frohman was 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.
