Free puzzle game: CryptoPics (free for 24 hours)
CryptoPics (also known as Nonograms or Griddlers) are logic puzzles originating in Japan, in which the aim is to reveal a hidden picture by looking at the number clues. With this fully-featured software you can play pre-made picture puzzles, randomly generated puzzles and puzzles created from image files.
It includes a built-in Puzzle Editor, allowing you to draw your own CryptoPics, a unique Challenge Mode, where you can play puzzles of increasing difficulty against the clock, and a mode based on Minesweeper. Additional puzzles to play with this software are available on-line.
System Requirements: Windows XP/ Vista/ 7; .NET 3.0 (* this is pre-installed in Win7 and Vista).