Sonic meets the Blacksmith in Castletown, Caliburn is sharpened, Soul Surge is learned, Sir Lancelot is encountered, fough and beat, the Lady of the Lake is meet in the deep woods, she will only tell how to neutralise the scabbard if Sonic proofs himself, Sonic is set 3 challenges, completes them but on his way back to her he meets a kid who says their family and friends have been captured by a Dragon and taken to a big cave, Sonic races to help ... https://www.youtube.com/watch?v=yNBCzhJxygA
Using Electric breath on machines powering an hourglass, rescuing the 10 dragonflies and collecting all the gems, a cutscene of Ripto is shown once the level is exited
...
https://www.youtube.com/watch?v=oltCEnqMb2Q
Part 28 Speedy comet star from Dusty Dune galaxy and the Purple coin comet stars from Gusty garden galaxy, Sea slide galaxy, Gold leaf galaxy and Toy time galaxy
...
https://www.youtube.com/watch?v=DfoOZPM5iVI
The strange Pro skater alien level and secret characters unlocked by beating the game on Normal difficulty
...
https://www.youtube.com/watch?v=kPPX-jhA49s