Tag Archives: crystal mine

Puzzle 30: Crystal Mine

Here’s another Crystal Mine puzzle. I didn’t dare post this before the GP, worried it might spoil the GP puzzle. That turned out to be completely different, naturally.



Puzzle 28: Crystal Mine

Here’s a Crystal Mine puzzle, as practice for the upcoming British GP.


Rules Draw a path connecting the two arrows by shading some cells, such that all black circles are on the path, and such that no full two-by-two square of cells is used by the path.

Or see the instruction booklet.