if anyone's able to get lower than this feel free to share ---RULES--- - at least one background sprite has to indefinitely "scroll" across the entire screen while the gap is seamlessly filled with another background [does not have to be the same] without jitter [no "animated" backgrounds] - the speed at which the backgrounds move has to be customizable without altering the block count of the project minimum is 8 using costume IDs and names minimum is 10 disregarding the use of green flag minimum is 11 using the timer block minimum is 14 using one sprite + clones minimum is 15 using pen stamping