It would be nice if autofire was only enabled when enemies are on the screen; then, we wouldn't have to worry about wasting all our precious shotgun ammo in the gaps between waves of enemies.
(Upon hot wire challenge failure) "Hit me!" "If this $*@(!#$*! ball keeps hitting the wall, I will, you frustrating game dev!" Besides the sometimes frustrating elements, still a very nice, simple game. 4/5!
It's crazy how much the difficulty on this varies, especially with the whole precision thing. I spent about fifteen minutes stuck on 12, yet finished 13 in fifteen seconds. I can't even imagine what the hardcore's gonna be like 0.o