Open Your Heart, Lava Reef Zone Act 1, Hydrocity Act 2, Speed Highway, Egg Reverie Zone, Studiopolis Zone Act 2, Chemical Plant Zone

Sure, there's no difference at all if you use a 24Hz monitor

And the PS2/Wii version of Sonic Unleashed is very different from its HD counterpart

If the developers could've have enough time to finish the game, maybe the Sonic franchise would be different today

That's for sure, we're not Youtubers