Hm...
Gameplay: 9.5/10 - I really like the gameplay in this level. Nice, complicated, and dynamic. Sometimes, however, it does get a tad too confusing. For example, I find the 1:08 gameplay to be a bit too much for me. Like, HOW DO YOU PLAY IT??? Really, however, the confusion is minimal, and I mostly enjoy it.
Block Decoration: 4/5 - Nice, simple, and yet still aesthetic. You bring a definite level of diversity when it comes to the block decorations. However, at times, the blocks get a bit too simple; the 0:34 wave has a purely black block deco; while that in the big picture isn't bad, the part itself is aesthetically rather boring. Put a bit more into the blocks in that particular area. Make sure you do the same thing for something like 0:56. Overall, though, it's quite nice.
Background Decoration: 4.5/5 - Even without moving background, the execution is faithfully made. The other decorations contribute very nicely to the background as a whole. It is a tad empty right at the end, and I wish you put just a bit more to it. However, the background is well-made, simplistic, and neat.
Effects: 10/10 - this is probably your strongest area. I really cannot find anything to complain: you execute the shaking background VERY well, and the drop has moments where the glory shines too bright for mortals to handle. Best moments includde 0:31, 0:43, and 0:57. You also use the 4x speed solely for effects, and I LOVE it! Keep this up!
Sync: 5/5 - I really cannot find anything to criticize here, either! The level syncs really well with the music, and the effects even leak into the sync score. The portals you use contribute to the sync really well! Keep this up!
Originality: 4/5 - Mostly original, especially gameplay. Each gameplay is really unique against each other. However, the block types are a slight problem: I see that the block patterns repeat themselves, especially during the drop. It becomes somewhat obvious for moderately observant people. It doesn't cost you much, but make sure you are more careful about this. Remember: you can get creative without getting messy.
Overall: 37/40 -
I say it's feature-worthy, most likely at 7 stars.
Strength: Effects and the usage of the portals for effects and sync
Weakness: Block designs repeating themselves at the beat knocks down originality.
Great job!