You know, there really aren't a lot of extraordinary handheld games out there, but if you love Sonic as much as I do, this is considered one. I own this game and solved it in three days, missions, levels, special zones, and hidden final boss, in just three days. So you can can see it's pretty easy. The story is almost entirely the same as the Wii version, but the hidden final boss is a change, and the mission characters are fun. I think the new voice actors are just terrible though. Rouge sounds too motherly and Shadow sounds like Vector, but I loved this game. If you want something that you'll solve just so you can take it anywhere and play it if you're a t your sister's boring doctor appointment, buy the game.