Very original idea, and a great take on the theme.
Other than the general tetris quality of life improvements that could be added, I feel that the breakout paddle felt a bit floaty. My personal preference would be to have that tightened up a bit.
While I like the choice to go with a 2.5D approach, I felt that the combined with the camera angle, I sometimes couldn't immediately tell where a block would exactly land if placed straight down.
Really fun idea. Well done!! :D