Alias: Phi Brain: Kami no Puzzle
Puzzle genius Kaito is back in the second season of Phi Brain: Puzzle of God. Armed with the powerful Armlet of Orpheus, which allows him to unlock parts of his brain to grant him superior puzzle-solving abilities, he must continue his battle with the mysterious P.O.G. organization and solve their deadly puzzles.
I couldn't find any trailers, so I posted season 1 and 2's openings. Please enjoy.