Easy
01:25:810 (1,1,1,1) - I don't think you should have this many perfectly straight sliders. It's always more fun to give them style, or at least curve them a little.
Normal
01:36:536 (5,6,7,8,9,10,11,12,1,2,3,4,1,2,3,4,5,6,7,8,1,2) - The sound used here is used way too excessively. It makes hearing that sound anywhere else in the map from this point plain obnoxious. Try having the sound play ever two or four beats instead of every single one.
Hard
General note: Too many straight sliders and linear patterns! It's good to use patterns because they're aesthetically pleasing, but using the same pattern through almost the entire song is a no-no. It makes the song, well, boring. And you're able to use Bezier curves to make interesting sliders - so make use of the feature! Playing this map felt like playing a map that would have been OK about 4-5 years ago.
General note: It's called "Hard" for a reason. This is when you can start using jumps without feeling bad for being mean to newbies. The patterns as they are now are like, 1.5* with a higher AR and smaller CS than an actual 1.5* map.
01:35:530 (8) - I strongly dislike sliders like these. They're not interesting and it's very easy for them to throw you off.
01:14:581 (1) - Same deal as that. ^
01:35:530 (8,1,2,3,4,1,2,3,4,1,2,3,4,5,6,1,2,3,4) - Same problem here as in Normal.
Lunatic Dream
-The first general note for the Hard difficulty applies here as well.
00:14:748 (5) - This beat doesn't really make sense to me, especially in the middle of almost entirely hitcircles... Why is it here?
00:57:653 (5,6,7,8,9,10,11,12) - Yas. Jumps like these are what you need a lot more of than straight lines. These make the jumps actually fun.
02:07:374 (8) - I think a little mini stream to follow the drumming would work better here.
I hope I helped. <3
Sorry if I seem a little picky or mean.