This puzzle solves both as a Numberlink and a Nurikabe.
Category Archives: Numberlink
Numberlink 4 and Nurikabe 6
This puzzle solves both as a Numberlink and a Nurikabe.
Numberlink 3 and Nurikabe 5
This puzzle solves both as a Numberlink and a Nurikabe.
Numberlink 2: Wiggly
Here is one Wiggly Numberlink puzzle.
Numberlink 1
Here is one Numberlink puzzle.
This construction is easily generalized to show that clues suffice to force a unique solution on a
by
grid whenever
. That the shorter side of a grid which can be forced with
clues grows at least exponentially with
is quite surprising – when I first started wondering about this, I expected linear growth with a slope of about 2 or 4. Is a shorter side larger than
possible?