Firaxis, developers of Enemy Unknown, the latest installment in the long-standing XCOM series of tactical RPG/strategy games, recently announced that the game's iOS port will be arriving in just three days' time, on Thursday. Enemy Unknown for iOS will be a universal app featuring GameCenter and iCloud support; "the complete XCOM experience of the console and PC version of the game, optimized for the touch interface of iOS devices." A head-to-head multiplayer mode will also be included after release, in a free update. Firaxis has supplied a screenshot to give us a sense of what the game will actually look like: XCOM: Enemy Unknown for iOS will launch on June 20.