Hotaru Beam is a binary-determination logic puzzle published by Nikoli.
Jim Beam | I-beam | H. Beam Piper | electron beam | Dr. Otto and the Riddle of the Gloom Beam | Beam bridge | When the Shadows Beam | T-beam | Light beam | Beam Inc. | Beam engine | beam | Alex Beam | Timoshenko beam theory | These joists land on a beam. Between some joists is a form of ''pugging'' used for insulation and air sealing. Image: Rijksdienst voor het Cultureel Erfgoed | Samsung Galaxy Beam | Jhelli Beam | I-Beam | Hotaru Akane | Bonnor Beam | Bonnor beam | beam (structure) | Beam's | beam engine | beam bridge | A Sectioned Beam |