Sonic the Hedgehog (Sega Master System, Game Gear)/Notes

Levels by Hexidecimal

00 - GHZ1
01 - GHZ2
02 - GHZ3
03 - BZ1
04 - BZ2
05 - BZ3
06 - JZ1
07 - JZ2
08 - JZ3
09 - LZ1
0A - LZ2
0B - LZ3
0C - SBZ1
0D - SBZ2
0E - SBZ3
0F - SKYB1
10 - SKYB2
11 - SKYB3
12 - Ending
13 - Empty (Island map, final scores)
14 - SBZ2 Top, entering bottom
15 - SBZ2 Bottom, entering top
16 - SBZ2 Start, teleporter
17 - SBZ2 Top, teleporter
18 - SBZ2 Start, entering from top
19 - SBZ2 Start, entering from bottom
1A - SKYB2 Inner
1B - SKYB2 Inner
1C - Bonus 1
1D - Bonus 2
1E - Bonus 3
1F - Bonus 4
20 - Bonus 5
21 - Bonus 6
22 - Bonus 7
23 - Bonus 8
24 - Empty (Island map, special stage)

Time/Score Bonus

0:00-0:29	30,000
0:30-0:59	10,000
1:00-1:29	5,000
1:30-1:59	3,000
2:00-2:29	1,000
2:30-2:59	500
3:00-4:59	100
5:00-9:59	0

Rings needed to activate Extra Life post

GH1 - 11-19
GH2 - 21-29
BZ1 - 41-49
BZ2 - 11-19
JZ1 - 31-39
JZ2 - 41-49
LZ1 - 21-29
LZ2 - 31-39
SBZ1 - 11-19
SBZ2 - 21-29
SKYBZ1 - 41-49

The location for the Extra Life post data is unknown.