In Synaesthete, you will play as the Zaikman, a defense mechanism for the collective unconscious. The main mission is to avoid being touched directly by the enemies while keeping shooting at them using the power of music beats consisting of low, middle and high beats.

Press J, K, or L when a music note is touching the bar. Each of those keys represents one color of beat. You don't need to press every note that's coming. Try to focus on one color at a time. It's enough to defeat all enemies just by hitting one color continually.