Self explanatory, learn it yourself! Comment your levels that you make in the editor!
Update Log: 1.0: Release 1.01: Bumped "Ready to Rumble" up one rating 1.1: Added level playtesting and death if you click outside of a note 1.11: Fixed a rotation bug in the level editor 1.12: Added arrow key controls to the level select screen, as well as a label for it 1.2: Recolored the menu screens to separate from GD a bit, added an fps counter in the top left and an optimizations checker in a new settings button at the bottom of the menu. 1.21: Added an Ultra Optimizations button in the settings that removes some background processes and most all unnecessary clones 1.22: Made a small update to the fps counter for accuracy 1.23: Updated portions of Ultra Optimizations to make it make more sense, as well as make it more efficient. 1.24: made a small tweak to the level editor regarding playtesting, fixed a bug with fading the icon, and fixed a rotation bug in the icon editor. 1.3: Updated the level editor so that you can finally play your friends' levels!