Sonic Sad Hill (Genesis) All Bosses (No Damage). It's a hack of Sonic the Hedgehog made by Borus.
00:00 Intro
00:05 01 Sad Hill
00:58 02 Speed Highway
02:04 03 Free Highway
03:02 04 Quiet Rock
03:55 05 Eternal Rock
05:01 06 Virtual Path
06:42 07 Eternal Path
07:46 08 Quiet Hill
08:57 09 Calm Hill
09:56 10 Evening Hill
11:37 11 Dream Hill
12:30 12 Green Hill
13:30 13 Night Hill
14:25 14 Morning Hill
15:18 15 Eternal Hill
17:00 Final Boss - Metal Madness
18:26 Ending