I recently bought this game and for the beginning of the game it was ok. Ofcourse like every game, there's a good twenty minutes of reading, HOWEVER, if you continue playing the game you will find yourself rarely putting it down. The graphics and colors are beautiful and the gameplay is fun.
Only downside is if you dont like puzzles you might need some help. Also the lack of easy saves makes it annoying to turn off sometimes, for example, if you're playing the need to stop playing ds for any reason, you'll find yourself being angry because you can't save it at just any point in time.
Besides that, the game is great and LONG! you will get your money's worth and you'll find yourself playing through it more than once. If you've played these before DO buy it if not atleast rent it. If you've never played the two before this one, rent it and try it out, if you like it just keep it for the price that of which is lower at stores sold.