All Wii before mid-August 2011 ("horizontal" Wii) can play GameCube games. I THINK the newer ones can read a GC disc, but you won't be able to play it because there are no GC ports. Technically, a 2011 Wii CAN use GC controllers and memory cards, but you have to mod it.
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Haven't seen that list before...
I made the list about a year ago. I deleted it because it kept getting ignored when people posted requests for a game that was on the list. I decided to revive it.
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Gamecube doesn't have component cables
There are GC component cables. Besides, the majority of GC games support progressive (I only seen three that done so far: Falsebound Kingdoms, Lost Kingdoms, and Lost Kingdoms II.). It wouldn't make sense to make a game that supports progressive but no way to enable it. =P
On topic: I sorta had thoughts on doing it (and other GC games. I recently beat Lost Kingdoms II.) I will see where this goes.