HOW TO PLAYTap a switch to change that light and its four orthogonal neighbors. Turn every light off. Undo reverses the previous switch. Hint marks a switch in a mathematically verified solution from the current board.
READY WHEN YOU ARE
Afterglow
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MADE FOR ONE MORE ROUNDPersonal records save in this browser.
Switch off a field of lights in a compact, solvable logic puzzle.How to play
A LITTLE KNOW-HOW GOES A LONG WAY
About Afterglow
Afterglow is a locally built Playroom browser game. Switch off a field of lights in a compact, solvable logic puzzle.
Tap a switch to change that light and its four orthogonal neighbors. Turn every light off. Undo reverses the previous switch. Hint marks a switch in a mathematically verified solution from the current board.
Choose Classic for an approachable start or Expert for a more demanding session. The separate challenge courses have fixed layouts or sequences, so you can replay the same conditions and improve your result. Scores and completion records stay in this browser. Sound is optional and starts off.
How to play
Tap a switch to change that light and its four orthogonal neighbors. Turn every light off. Undo reverses the previous switch. Hint marks a switch in a mathematically verified solution from the current board.
Tips for your next round
Switches do not need to be pressed in a particular order. Try resolving the top row and then move downward. A hint adds five to your recorded move count.
