This is Knuckles the Echidna in Sonic the Hedgehog 2 (Genesis) longplay with all Chaos Emeralds collected.

Timestamps

Intro 0:00
Emerald Hill Zone Act 1 0:16
Emerald Hill Zone Act 2 7:27
Chemical Plant Zone Act 1 15:30
Chemical Plant Zone Act 2 17:38
Aquatic Ruins Zone Act 1 23:15
Aquatic Ruins Zone Act 2 24:40
Casino Night Zone Act 1 26:15
Casino Night Zone Act 2 28:40
Hill Top Zone Act 1 32:32
Hill Top Zone Act 2 34:51
Mystic Caves Zone Act 1 38:31
Mystic Caves Zone Act 2 40:46
Oil Ocean Zone Act 1 44:02
Oil Ocean Zone Act 2 47:25
Metropolis Zone Act 1 51:10
Metropolis Zone Act 2 54:28
Metropolis Zone Act 3 58:42
Sky Chase Zone 1:03:13
Wing Fortress Zone 1:05:23
Death Egg Zone 1:09:57
Ending & Credits 1:12:53

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