Hey, fun little game! I didn't manage to get to 30, tried like 10 times :( and I died at 29 more than once aswell!
Sometimes the bugs form a wall off bullets between you and the next poop so I can't possibly get to it without dying, happened almost every time. Also I think you have that common problem of moving faster when moving diagonally with the character which can be solved by normalizing the movement vector.
Next time you make a game, can you make it work with both WASD and arrow keys? It's pretty hard for people who have 60% keyboards (me) to play the game if it's only playable with arrow keys.
Also it's kind of annoying to have to click the same button 15(!!!) times when you restart the game, you should make that opening scene skippable.
Other than that, fun game! I certainly couldn't do anything near this when I was your age!
Now if you excuse me, I'm gonna try to get to 30 a couple more times before I give up!