To me what makes these games great is that it feels like you're playing along with the music. The audio, the appearing nodes and the player's interactions all work together to create a beautiful experience. I feel this one missed the mark on that. The collision or "success" sound was distracting from the song rather then adding additional value and the nodes seemed to appear with little flow between them. I haven't played beat saber but after watching videos its right on point with all the other same genre games (guitar hero and rock band for ex). You definitely nailed the graphical theme from 3d Beat Saber to 2d Beat Squares but failed to emulate the experience of this genre :(
Please take this as constructive criticism rather then a bash