So you played Not Pacman and perhaps you thought “Hm, you know what this game needs? A level editor that allows massive levels, customizable everything and also sparkly powerup for pacman.”
Well, now there’s a mod for that.
A Not Pacman mod by Felix Dumenil adds that and much more. If you’d like to give it a try, see the forum thread for download and run instructions as well as the full changelog.