Setup
Start with the default setup, then adjust options where this game supports them.
Logic game
Place lamps to light every white cell.
Play Light Up on brainstretch.
How this game works
Place lamps so every open cell is lit.
Lamps light along rows and columns until a wall blocks them. Numbered walls tell how many adjacent lamps they need.
Two lamps cannot see each other in the same row or column.
Start with the default setup, then adjust options where this game supports them.