I just got this game at lunch time, and it is GREAT.. the levels, are ginormous, and pretty, the first two rounds are in the forest, and there are tons of stuff going on. I have to say, it can get tricky, at times, watching both screens, because, you need to in order to see whats comming down the pike, but the sound is nice, the graphics as well nice. I haven't played a boss yet. So I cannot speak on the 3d side of things, but so far this is a solid sonic port, and a must own for any Sonic Gamer... enjoy.