If you think you've licked the classic Windows time-waster Minesweeper, try this free variant based on Nonogram logic puzzles. In Nonosweeper, each column and row of the grid is marked with numeric clues (the nonograms) as to which squares are safe, and which deadly. By correlating the clues in two dimensions, you can pick your way around the hidden mines. The effort is mind-bending, at least at first. After solving a puzzle, you can upload your score to the developer's Web site. The program offers three levels of difficulty, with grids ranging from 6x6 to 15x15 rows. The game's austere design won't win over puzzlephobes, but temps, goof-offs, and Minesweeper addicts everywhere have found a new friend.
Nonosweeper is a cross between the popular Windows game Minesweeper and the hidden-pictures logic puzzles known as Nonograms or Griddlers. Unlike Minesweeper, all the clues are given at the start and placed outside the grid, giving completely different gameplay - but the other rules are the same, so don't click on a mine or it's Game Over. You can upload your record times to an on-line database to see how you rank. An exciting new challenge for Minesweeper fans and Nonogram fans alike.