1:06
Green Hill Zone - Sonic the Hedgehog (Game Gear/Master System)
SiIvaGunner
1:45
Green Hill Zone (Beta Mix) - Sonic the Hedgehog (Game Gear/Master System)
1:02
Bridge Zone - Sonic the Hedgehog (Game Gear/Master System)
1:24
Bridge Zone (Alternate Mix) - Sonic the Hedgehog (Game Gear/Master System)
2:34
Bridge Zone (Extended Version) - Sonic the Hedgehog (Game Gear/Master System)
1:51
Bridge Zone (JP Mix) - Sonic the Hedgehog (Game Gear/Master System)
1:50
Bridge Zone (JP Version) - Sonic the Hedgehog (Game Gear/Master System)
0:59
Bridge Zone (NTSC Version) - Sonic the Hedgehog (Game Gear/Master System)
0:58
Bridge Zone (OST Version) - Sonic the Hedgehog (Game Gear/Master System)
0:39
Bridge Zone (US Version) - Sonic the Hedgehog (Game Gear/Master System)
Jungle Zone - Sonic the Hedgehog (Game Gear/Master System)
1:07
Jungle Zone (Beta Mix) - Sonic the Hedgehog (Game Gear/Master System)
1:10
Labyrinth Zone - Sonic the Hedgehog (Game Gear/Master System)
1:05
Labyrinth Zone (Beta Mix) - Sonic the Hedgehog (Game Gear/Master System)
0:55
Sky Base Zone - Sonic the Hedgehog (Game Gear/Master System)
Sky Base Zone (Beta Mix) - Sonic the Hedgehog (Game Gear/Master System)
1:59
Scrap Brain Zone - Sonic the Hedgehog (Game Gear/Master System)
1:13
Bridge Zone (Beta Mix) - Sonic the Hedgehog (Game Gear/Master System)
1:11
Jungle Zone (Alpha Version) - Sonic the Hedgehog (Game Gear/Master System)
1:30
Marble Zone (Unused) - Sonic the Hedgehog (Game Gear/Master System)
2:41
Scrap Brain Zone (OST Version) - Sonic the Hedgehog (Game Gear/Master System)
