Thursday, October 25, 2012
LinePuzzle: free puzzle app for iphone, ipad Review
There are 300 levels. I've done about a third of them. A few weeks ago I woke up in the middle of the night and decided to crank these out.
It's basic topology. The key: start at a point that has an odd number of lines. Then end at a point that also has an odd number of lines. If the figure has more than 2 odd numbererd points, then it's impossible.