I think the stop-moving-to-attack thing on its own has a lot of promise; I'd like to see what you do with that! Unfortunately, I don't think the platformer thing is quite working, though. Having jumping rely on an enemy being in the right place at the right time (and to make matters worse, enemies will happily dive off cliffs and won't respawn) kind of kills the game for me.
Also - that easter egg when you press both left and right at the same time is absolutely terrifying. I love it.