This feedback might sound abit harsh and incomplete, but it's 2.30am here and i'm dead tired. Feel free to ignore it. 
just play it, but i must say, the control need alot of attention(will talk about later).
i have a question, did you actually play it before release for feedback? i know it sound really harsh, but still...
ok, what ever.
the level is somehow tricking me to go the wrong path. there's some graphical stuff that stand out too much, that trick me into death. for example...
this one. there's two thing i wan to talk about. let's start with number one.
the extra platform(that the mouse are currently standing at) trick me into thinking that there were a path down there where i suppose to go, as i notice that the path above are too small to go through. and when i jump down(#1), i realize it's not an actual path. then i realize that i can't get up from that point(#2), which there's only 2 option left for me to do, 1)drop down into bottomless pit and die, and 2)jump up to the spike and die. i don't get the point of putting an extra platform there, but i do think that you're playing some kind of tricking-player-death-trap or some sort, which i don't really mind about that.
and then the number 2, which is....
the problem here is not really about tricking, but it's the layout design's problem. #1 shows the path that the player are suppose to jump to get through the place, but the problem is, when i jump, the mouse hit the (invisible) sky ceiling and fell down(#2). i know that to get through that place, the player need to light tap the jump and go through it with the minor jump. there's some place which also suffer some layout design problem, but i will leave it to other people to discover as i also didn't get too far.
now it's the problem with the control, which make the game 200% harder. it take way too long to acceleration and deceleration, and thus it make it feel like it's an ice level, which is the thing that everyone hate in platformer. braking, jump over a gap, stop at the one square box, all of these are harder because of the acceleration/deceleration problem. oh, you might also need a minimum jump height. the current minimum jump are only 1-3 pixel high. and i also notice that sometime i jump higher and sometime not.
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