Wow, that must have been really difficult. You must really know those games inside out! also I agree with Selbi about that minecart. It probably...
use the darker skin colour to give sonic's mouth a bit of definition. At the moment it looks more like a white mark on this face, than a mouth hole.
Those bits of grass don't look so great, are they placeholders? I'd suggest making their texture just a tiny bit darker than the grass on the...
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