Without this save file, you cannot unlock the "Secret Bonus" mission that requires passing 100 StreetPasses (impossible unless you live in a Tokyo subway). The updated save file injects fake StreetPass data to bypass this.
All optional challenge missions are beaten, including the brutal post-game time trials. sonic generations 3ds 100 save file upd
Disclaimer: This article is for educational purposes. Modifying save files requires CFW, which may void your warranty. Always back up your original data. Without this save file, you cannot unlock the