I enjoyed the pixel simple pixel art and the colors. The sucking was a little weird - or maybe I'm just bad at timing. I resorted to mashing the button whenever a person was over me.
Also you could suck and attack at the same time? That is probably a good thing tho, because the game was hard as heck.
Also, I think there's a bug, where you can hit the replay button offscreen? maybe it is intended? When I hit Enter or SpaceBar the game would restart again and again while playing, even after I stopped pressing the button? Idk, I didn't really understand the bug.
Great effort and nice outcome.