Go crazy on drops till a column or two is filled so you have some guessing material
Rollovers = bonus multiplier. Even wrong guesses are worth bonus. Full grid = 60-120k times 1-4x multiplier.
Center kickout can tell you which bank to shoot if you hit it reliably
Flashing light in grid = correct guess. Solid light = incorrect. Swirling = current guess. Don't guess colors in same row