California Rummy is played over 7 rounds and in each round you must make certain Melds, which are Sets of the same kind of cards or Runs of cards in the same suit. Each contract is more difficult to make with the most difficult being round 7
Kakuro puzzle game and solver for Mac. Hint features include scan, markup and reveal cell. You can also enter puzzles from newspapers and solve them, or see the solution. Sizes from 6x6 to 14x14 and difficulties from easy to hard.