Go in, right click on the sprite you want in the menu, click export, and put it into your project. Simple code so you can copy :)
100 is really mesmerizing. There's 2 bars, 3 bars, 4 bars, 6 bars, 9 bars, 18 bars, 30 bars, 40 bars, and 100 bars. There are also some square scrolls with different speeds.
