Thanks for your feedback, and to be honest I agree on all counts (although the jump button at the start of the game is a bug I only encountered after the deadline, having only built and not tested the WebGL build as an afterthought. I don't think this happens in the stand-alone build - should really have left it as that as download only as that was tested..).
With the jump, I did indeed have it on my list to change it so that the player would stop rising when the button was released, and the gravity scale should be a notch higher to make it more snappy, compensated with more force to the jump. Didn't get round to it :(
The attack having cooldown I originally had attached to a Maga bar, (along with all of the abilities) with a Maga system that you could choose to upgrade from another guy instead of health, but the Maga system was scrapped with 2 days to go for various reasons, and with it went the cooldown. It was all a bit of a messy rush at the end to be honest, had a busy month!
Thanks loads for playing, and appreciate the feedback.