If you get stuck you could just try to find some sites that list what to do... but that would be cheating.
What an interesting game, but you might want to put some sort of mature content-ish warning for it because I read in some of the later levels there's some sort of graphic images... probably because this game is sort of a parody of the game at
http://thisisnotporn.com. It's basically the same game... not sure why the original game is named that.