1)   NonoGrid 1.0.1
NonoGrid is a puzzle game that lets you play and solve nonograms/griddlers on your computer. Nonograms are logic puzzles, in which you need to uncover a picture consisting of black and white squares.
Nonograms, Griddlers, Paint by numbers, Puzzle, Logic, Picross, Japanese puzzle, crosspix, beeldzoekers, crossword,

 2)   SudokuMeister 1.2.2.1
SudokuMeister - play and solve Sudoku puzzles on your computer. It is very easy and comfortable to use and offers a lot of useful features like providing solution hints. You can save puzzles and exchange your favorite puzzles with your friends.
japanese puzzle, number puzzle, sodoko, sodoku, soduko, soduku, sudoku, suduko, suduku,

 3)   CrossWorld 1.0
CrossWorld - amazing collection of crossword and puzzle games. Get classic crosswords, Japanese puzzles and other crossword-like games at once. Train your brain with word and number puzzles. Check you erudition and skills. Dive into the CrossWorld!
game, shareware, download, word, crossword, puzzle, Japanese puzzle, paint-by-numbers, numbers, logic,