Hey! Thanks for playing the game. Glad you liked it.
I kind of don't want to give away how hacky it was, but the pixel paint was done by using a tile map, removing an area around the mouse when it was held down. Here is a link to the source for it if you wanted to have a closer look.
Oh awesome! Thanks for the advice, this was my first time trying to do the sound myself, so good to know these tips and tricks for next time!
Mmmm, good point! I originally exported as white so I could modulate the colour as I felt necessary, but time got the better of me. Spot on with that though.
I really appreciate all the feedback, it's super helpful!