Picross DS review at N-Philes.

"Falling blocks or pieces are a common standard for many handheld puzzle games, but Picross DS will rattle your mind in a different way. Instead of worrying about falling tetrominoes or rising tiles you will be challenging your mind to fill out and solve picture crosswords. With Picross DS, Nintendo revives an old puzzle game that has, for the most part, remained within Japan."

Full Source: N-Philes