Making games can be as fun as playing them, and the key to mastering both is practice. After working through this bundle of lessons, you’ll be ready for the iOS game-making equivalent of Carnegie Hall. Covering the how-tos with over 20 games in four different genres, this package from StackSkills usually goes for over $2,000. But right now the whole thing is just $20 at Cult of Mac Deals.

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Every mobile platform now ships with its very own virtual assistant, and while they all offer a similar set of basic features, Google Now and Siri are way ahead of their rivals. Google Now knows what you want and when you want it, but Siri has sass and personality, and is about to get a whole lot better with the help of Proactive.