Hey man, your game has potential, and its idea is good. The problem for me is that it's too slow. Probably increase the bug spawn rate would help improve the enjoyment. I reached score 200, but it demanded a lot of time, and isn't challenging.
Probably you didn't have time, but a gameover screen with the final score is a must for your game too, and maybe a leaderboard with the best scores.
Finally, a soundtrack will also be good.
Congrats for your submission, keep improving.