Sonic the Hedgehog: Sonic Gaiden 
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Sonic Gaiden was the first hack to implement multiple characters in Sonic 1. Play as either Sonic the Hedgehog or Mighty the Armadillo. Also included in this hack are complete level changes and the majority of the level graphics have also been changed.
This patch is in XDelta format due to shifted data that is usually found in Sonic hacks.
Sonic the Hedgehog (W) (REV 00) [!].bin
CRC32: F9394E97
MD5: 1BC674BE034E43C96B86487AC69D9293
SHA-1: 6DDB7DE1E17E7F6CDB88927BD906352030DAA194
This patch is in XDelta format due to shifted data that is usually found in Sonic hacks.
Sonic the Hedgehog (W) (REV 00) [!].bin
CRC32: F9394E97
MD5: 1BC674BE034E43C96B86487AC69D9293
SHA-1: 6DDB7DE1E17E7F6CDB88927BD906352030DAA194
SG Emulator Required
Time to Beat
Main Story 2h 0m
Main + Extras 2h 6m
ttb_all 2h 0m
Speedrun Avg 0h 41m
Speedrun Full 0h 38m
Release Date
May 15, 2004
20 years ago
SG Emulator Required
Play Sonic the Hedgehog: Sonic Gaiden Game
Experience Sonic the Hedgehog: Sonic Gaiden Game (USA) online exclusivly at RetroSpot.net. Get Sonic the Hedgehog: Sonic Gaiden ROM and use it with an emulator of your choice. Sonic the Hedgehog: Sonic Gaiden can be played on PC, Mac, iOS and Android using our high quality downloads. PastGames is Americas #1 choice for Retro Games like Sonic the Hedgehog: Sonic Gaiden.