On our CodyCross answers based website we have the solution for When a light goes on and off and on quickly. CodyCross game includes different missions and events which update daily so you can earn tokens that are mostly needed to help with answers for challenging clues. Now let's focus on the answer you need for When a light goes on and off and on quickly by scrolling down which is part of CodyCross Countdown to 2020 Group Puzzle 20.