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there are two levels that are different:

Act 2 of Casino Street in the iPod version is a pinball level where you have to get a certain score to pass, while in the PS3 version it's a legit level that you can get tons of extra lives on.

Act 2 of Lost Labyrinth in the iPod version is all mine cart, while in the PS3 version it's a level set in the dark with Sonic carrying a torch that will have various uses.

the ipod video and ipod classic are actually a similar, however the classic is extra moderen and has a extra moderen look. the 5th-technology ipod is the ipod video. so the video will possibly no longer artwork! desire this solutions your question