Chemical Plant Zone (CENSOR Prototype) - Sonic the Hedgehog 2

"Chemical Plant Zone (CENSOR Prototype) - Sonic the Hedgehog 2" is a high quality rip of the CENSOR prototype version of "Chemical Plant Zone" from Sonic the Hedgehog 2.

Joke
Starting at 0:13, the melody mostly changes to "Sleepwalk" by Nelward.