Stained Glass (puzzle)
Stained Glass is a binary determination logic puzzle published by Nikoli.
Rules
Stained Glass is played on a field of intersecting vertical, horizontal, and diagonal lines. At the intersections of some of these lines are small circles, either unshaded, grey shaded, or completely darkened.- An unshaded circle denotes that there are more unshaded shapes touching that circle than shaded shapes.
- A grey shaded circle denotes that there are an equal number of shaded and unshaded shapes touching that circle.
- A completely shaded circle denotes that there are more shaded shapes touching that circle than unshaded shapes.