Concentrate - Concentration, also known as Memory, Pelmanism, Shinkei-suijaku, Pexeso or simply Pairs. The object of the game is to turn over pairs of matching cards. The game ends when the last pair has been picked up.
k4kur0 - a Kakuro game A Kakuro (Cross Sums) game (freeware). It generates and solves Kakuro puzzles and allows input of own puzzles. You can set pencilmarks and access helper functions (check puzzle, show hint, reveal digits, sum-calculator)