Musical DNA

Techtopia is under attack !Thankfully, Dr Everbright built the CRE (Chroma Ray Emitter) and needs YOU to operate it.Your job as the operator of the CRE is to mutate Everbright's bodyguards to push back the attckers. However, all your actions on the CRE must be in rythm with the tempo, so stay alert ! You have to defend 3 lanes against the incoming attackers. However, you can only light up one lane…