These are all the Games in the Grand Theft Auto series.
Please note that modifications or detail pages (eg Vehicles in GTA San Andreas) should NOT be put in this category, but more fitting categories of their own.
A brief list of the games that should be here is:
GTA 1, London 1969, Grand Theft Auto: London, 1961, GTA 2, GTA III, GTA Advance, GTA VC, GTA SA, GTA LCS, GTA VCS, GTA IV, GTA CW, GTA V
Pages in category "Games"