I believe it was a good game and that it has its good moments and bad moments. I really like the fact that you can make a fighting character of your own just by assighning attacks, colors and supports. It adds freedom and strategy and even curiousity and flare. Yet it still has its limits on power. Its fast paced and it can keep you busy for hours. I like that it has mini-games such a mine-something-or-other game with Knuckles. The game also has comedy. On the other hand the game can be a bit cheesey with Sonic saying "Believe in friendship" that cheesey stuff.
Here comes another Sonic the Hedgehog spin-off. Wait, this one DOSEN'T suck! Yes, despite me being a huge fan, I haven't been very happy with the new games coming out (Shadow the Hedgehog comes to mind), but this one is worth renting here, or better yet, buying. Its just plain fun. The character customization thing is amazing and is great to have when you play somebody else. I may indeed just rent this so me and my family can have multi-player matches. You have your basic attacks, arieal attack, specials, guards, and many others. Its awesome. If you've never played it, go do so. Rent from GameFly, go buy it used, its simply worth buying.