Dood : The Puzzle Planet - A strategy puzzle game for the smart ones
One Clue Crossword - One Clue Crossword app allows users to access an extensive collection of more than 1000 different puzzles in order to exercise their brains on a daily basis.
63 - 63 is a race against the world.
Between the lines - Between the lines app enables users to identify the hidden words so they can find out the whole phrase to train their brain in recognizing words.
PH Builds a Puzzle - A realtime, collaborative jigsaw puzzle.
String of Words - String of Words is an app by Nickel Buddy LLC that comes up with features to help users in creating a chain of words so they can solve puzzles to boost up their skills.