Singles

from Simon Tatham's Portable Puzzle Collection


Sorry, this Javascript puzzle doesn't seem to work in your web browser. Perhaps you have Javascript disabled, or perhaps your browser doesn't provide a feature that the puzzle code requires (such as typed arrays). These puzzles have been successfully run in Firefox 19, Chrome 26, Internet Explorer 10 and Safari 6.

Black out some of the squares, in such a way that:

Click in a square to black it out, and again to uncover it. Right-click in a square to mark it with a circle, indicating that you're sure it should not be blacked out.

Full instructions | Back to main puzzles page


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(last modified on Wed Mar 15 01:42:14 2017)