Oh, I think I forgot to mention, but everything else was made with a 1x1 pixel in the top left corner. I just changed the tint of a bunch of objects...it might be a loophole but I think it's technically not breaking any rules?
Nope definitely not! I just wasn't expecting that to be your solution. Very creative!
I feel like it's kind of hard to make that distinction without actually having access to the source code/game assets.