https://en.wikipedia.org/wiki/Nonogram https://en.wikipedia.org/wiki/Nonogram If you happen to have a Nintendo DS, Nintendo made some excellent nonogram games

https://en.wikipedia.org/wiki/Nonogram https://en.wikipedia.org/wiki/Nonogram If you happen to have a Nintendo DS, Nintendo made some excellent nonogram games for it under the "Picross" label, including one that translates the gameplay into three dimensions! Be careful, though, it's horribly addictive... https://en.wikipedia.org/wiki/Picross_DS https://en.wikipedia.org/wiki/Picross_DS https://en.wikipedia.org/wiki/Picross_3D https://en.wikipedia.org/wiki/Picross_3D