Phi Brain is one of the more unique animes I've seen, up there with Mysterious Girlfriend X. Here's my review on this quaint anime.
I'm a huge puzzle fan. Growing up, I always had puzzles around me. Rubik's cubes, release the rings, all sorts of puzzles. Hell, I have sudoku puzzles lying around my floor. However; the puzzle concept is taken too far here. I very much enjoy the