Trying to clone such an iconic game is such a short period is a real power move. Good job more or less nailing it.
I have to fuss a little tho - making it so you can only extend the hammer through momentum precludes the play style to a single lane. Careful, steady progress is even more gated now (it already was since aerial momentum is such a big factor in distance traveled and "lift" arcs.) Being able to push and pull the hammer with a click would have been nice.
Then again maybe that's how the original did it. I've only seen it streamed, never played.
Good job making a thing! It is a good thing!