Hitman: Codename 47 review. Classic Game Room presents a CGR Undertow review of Hitman: Codename 47 for PC, developed by IO Interactive and published by Eidos Interactive. Codename 47 is the first, PC-exclusive installment in the popular Hitman series. Agent 47's initial adventure is a little rough compared to his later ones, and action stealth games in general, but the game is still a worth y addition to fans' or stealth enthusiasts' collections. This video review features gameplay footage of Hitman: Codename 47 for PC and audio commentary from Classic Game Room's Tristan.