Changing the movement speed for enemies.

[Triple J]

This is pretty much suggesting a new property for enemies which can make them move faster or slower than normal.

I don't think it's a necessity, but I'd like to see it happen. I can think of a couple uses for something like this.
The American dream. *shot*

[lulzaraptor]

Enemies are 100% customizable. I'll probably create an editor for custom enemies so level designers don't have to use javascript