Press "E" to increase speed Each time the ball thing hits the wall it gives a "ding" Click the arrow at the bottom of the screen to open the upgrades which you use your "dings" for! Each upgrade gives more mult but get increasingly more expensive!!
the sound effect came from an edited sound from scratch the music is all from "UNDERTALE" which is a game made by Toby Fox soooo not my music the max amount of mult currently is "8192" the max amount of add currently is "380" go post your highest amount of "dings" in the comments!