Here are the possible solutions for most light clue
Answer
Clue
Relevancy
tetris
Clue
"The most-played, most-imitated, most influential puzzler of all time," per the video game website IGN
glorybeam
Clue
"The light" of "I saw the light!"?
laser
Clue
Light in a light show
Light-show light
Light show light
Light in a light show, perhaps
Definition
a source of high-intensity optical, infrared, or ultraviolet radiation produced as a result of stimulated emission maintained within a solid, liquid, or gaseous medium
