GameHacking.org | Sonic The Hedgehog (USA, Europe)

Languages	Size	CRC32	Region	Serial
English	512K	F9394E97	USA, Europe, Japan	No

Timer codes

Dark Sonic (bonus room) by Retrocheats Game Genie AAXA-AAGN AAXA-AAGR AAXA-AAGT AAXA-AAGW
Dark Sonic (under water) by Retrocheats Game Genie AATT-AASA AATT-AASC AATT-AASE AATT-AASG
Don't Die, & Spawn Rings instead by Retrocheats Game Genie AL1T-CA98
Fast Acceleration (Slow on Backwards S curves) by Retrocheats Game Genie H60A-CABY
Faster on S curves by Retrocheats Game Genie RE2T-C6YT
Instant Acceleration (Slow on Backwards S curves) by Retrocheats Game Genie K60A-CABY
Monitors Rings give 0 rings by Retrocheats Game Genie AWWA-AA4A
One Hit Kill 1st Boss (maybe others) by Retrocheats Game Genie AF5T-CAEG
Ring Counter does not flash, at 0 rings by Retrocheats Game Genie RHCT-C6YJ
Timer resets to 0, when it reaches 1 min by Retrocheats Game Genie AHDT-CABN ADDT-CABW