Quite short, but good enough for a LD entry.
There's just small problem that the recoil from shooting can hurl you through walls (especially in the narrow corridor). The movement animation is quite shaky, too.
And I wasn't completely happy with the AI either – you can shoot each enemy in the game from distance and the bystanders won't react at all, and will wait to be shot too. On the hand, if you do come close enough, everybody will instantly turn in your direction and shoot directly at you, even when they can't see you. All of them shoot together at the same time, and then again after a fixed period of time.
Not to mention there's only one kind of enemy.
But I understand there is only so much of what you can do in two days. :)