GameTap has announced that four more games, DiRT, Pop-A-Tronic, Warlords and new GameTap original, Captain McGrandpa – Memory of the Forgotten, have been added to its network's massive library of current and classic console, arcade, PC and original titles. The rotating selection of completely free-to-play games includes titles like Hitman and Thief. In related news, on GameTap TV this week, Quick Hit features an exclusive interview with April’s Artist of the Month: Matt Costa.