Sonic the Hedgehog

1 ATBT-AA32 MASTER CODE--MUST BE ENTERED

SOME CODES DON'T WORK WHEN YOU START ON SPECIAL STAGES USING CODE 13
2 AE3T-AACL Start with 1 life
3 AY3T-AACL Start with 5 lives

4 AE0T-CABE Once invincible, stay invincible for the rest of stage or until you die

5 SCRA-BJX0 Each ring counts as 2
6 SCRA-BNX0 Each ring counts as 3
7 SCRA-BTX0 Each ring counts as 4
8 SCRA-BYX0 Each ring counts as 5
9 SCRA-B2X0 Each ring counts as 6
10 SCRA-B6X0 Each ring counts as 7
11 SCRA-BAX0 Each ring counts as 8
12 GJ6A-CA7A Infinite lives
13 AJ3A-AA4G Level select menu
14 AY3T-BA4R Start with 5 chaos emeralds
15 DDLT-AAGL Super jump
16 BDLT-AAGL Skywalking
17 KDLT-AAGL Low jump
18 AEOT-CABY Once you have shoes, keep shoes for the rest of stage or until you die