best version of this game there is and an inofficial third game in the rush trilogy.
it has the ultimate boost gameplay rush invented just in the best way possible and adding a lot of features. it has amazing sidequests with cameos by everyone from sonic heroes and co and it has an amazing soundtrack. the story itself is still one of the worst i think a sonic game has, but other than that this game is absolute fun and makes me miss the rush sonic we had.