Hm, I'm not sure why but I had a lot of trouble understanding the wording of the second "clear the queue" mechanic . After mashing space a bunch of times and restarting the game it finally clicked but I think it might still a bit difficult for some people to grasp. When I did figure it out though it was actually a lot of fun and I revisited the game a couple of times. Love the mixing of two separate mechanics and the pace of the game kept me on my toes!