Ipod 6th and 7th gen defininitely dont use the wolfson chip. Wolfson chip was phased out by apple in favor of Cirrus Logic chip in the ipod touch and iphone. In the ipod 6th gen, according to Vinnie from the thread mentioned above, the ipod uses a proprietary DAC chip that was designed by apple.
All iPod games were available for $4.99 each from iTunes. History of Games. The Apple iPod first generation included Brick as a built in game, a simple breakout clone that was playable while listening to music. Originally it was an easter egg on the device, but in later firmware updates it was added to the menu.