Thanks for making and sharing this game. Lots of potential here. Would be great if re-rolling was also possible with the UP key, and dropping down was also possible with the DOWN key. I kept mixing up Z and X a lot, making it really frustrating to play: "Oh no! I wanted to drop this perfect line, not reroll it :(". That I kept pressing Z (reroll) instead of X (drop) might also be caused by the drop button sometimes doing nothing, e.g. when an animation is still playing.

Some of those dropping blocks look familiar...