OK, I did a slightly less shameful run with 11300 points in the end.
I really like the background and the music is engaging. I think each individual enemy simply appears randomly? Anyway the combination between the few patterns generates pretty fun sequences to deal with, the game is fun to play with the right speeds and difficulty.
The game would be even more punchy with sound feedbacks but as someone who uses stock assets for music and sound while you're doing everything it's certainly not a harsh criticism.
The game is cool, thanks for sharing.