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Archive for July, 2012

Penrose Puzzle: Area 51

Wednesday, July 11th, 2012

This Penrose Slitherlink puzzle is inspired by David Millar’s “Area 51” puzzles, which you can find at The Griddle. The puzzle works like a regular Slitherlink puzzle, but with a few twists: The aliens must be kept inside the fence. The cacti must be kept outside the fence. The white circles indicate a straight line […]