Sorry man there's no real lose-condition to this game. I wouldn't really call this a game.
It's either that or not complete. Add an incentive to get the bugs. Like a timer that ticks down faster and faster, and the more bugs you pick up the more time you gain - but the timer always get faster so that you eventually die. I think something as simple as that would make this game, a game.

Try uploading again with some change like this and I promise it'll do better!