I've made a game for Ludum Dare 39, it's called Battery Penetrates, the objective of this game is to make a positive battery inject to a negative battery, then emit them with its power. The other battery may produce baby batteries afterwards. But they also need to be destroyed with a positive charge before the next intercourse. (Can be safe for children because they're just batteries...).
Sounds at WebGL are kinda messed up sometimes, send me a message right away if it's too annoying for you.
Oh and this game has online high scores :D