Curious Cheetah

Firefly Beam


Firefly Beam is probably a Nikoli original.

Puzzle and Goal

An unsolved puzzle consists of a rectangular grid. Some of the grid intersections contain circles with a dot on one side; some of these contain a numbered clue.
The goal is to connect all of the circles into a connected graph.


The solved grid must satisfy the following conditions:

Other Names

Hotaru Beam

Playable Online