Knuckles in Sonic the Hedgehog 2 Part 6 - Mystic Cave
Again, a stage that's largely unchanged for Knuckles. I should clarify something - just because I say something is "largely unchanged" doesn't mean it plays exactly the same - Knux has a very different style of play. What I mean is that in general, the stage doesn't let you use gliding and climbing to take vastly different routes, or cut off any routes because of his jump. At least as far as I saw.
Knuckles also doesn't get stuck in the Pit of Doom (all you people who went all Super Sonic in Mystic Cave 2 know what this is all about).
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