This is quite charming and I love the music which I assume comes from some old Peanuts episode or whatever, really sets the tone. The idea is also pretty solid too, my "strategy" so to speak was just to hug the corners because then I am cutting off the least possible space with every move. I liked that it's not just button mashing because you have to sometimes choose which side you want to go down, and the first appearance of the roomba was also interesting because you don't know if it would come back down the same way and block you off, so you could take a risk, or wait it out and see if it changed paths (which is what I did). The game could be a fun exercise in learning procedural animation too if you decided to try implementing that after, since the level is the same when you restart it. Nice job!