Last month, Firaxis and 2K Games released XCOM: Enemy Unknown for iPhone and iPad, an extremely popular and well-regarded title on both consoles and the PC. XCOM is known as an 'AAA title' in the industry; a major game with significant investments in both marketing and development. The company set the price of XCOM's iOS version at $20, well above the price for most games on the platform -- but the gamble worked out. Strauss Zelnick, the CEO of Take-Two Interactive -- the corporation ultimately behind the game -- gave an interview with GamesIndustry.biz (via TUAW) where he explained that XCOM proved that customers are willing to pay a