Here's 25 Most Addictive Free iPhone Games , you might already have know some of bolts and hit the launching ramps for a FULLY AWESOME adventure. The iPhone is home to some of the best portable video games ever until it's buried deep beneath thousands of free -to-play cash-ins. .. For 30 minutes, twice a day, I have nothing to do but play games and it's awesome. It doesn't cost "tuppence a bag" to feed these birds (and it's a lot more fun and hygienic). The price - Free. Available for - iPhone, iPad.