i got this game years ago way back in 2005. i also have sonic advance1. sonic advance 1 and 3 are GREAT!!!!
sonic the hedgehog
miles "tails" prowler
knuckles the echidinia
cream the rabbit
amy rose
there are 7 zones with 3 acts and then after the three acts there is a boss fight where you fight eggman in one of his machines. then there is final boss 1 then once you get all 7 chaos emeralds then you can fight eggman again in final boss 2. i dont have sonic advance 2 though. here is how the game is in different points
graphics:10
sound:10
storyline:10
gameplay:10
over all:10
i love this game.