I did go back through and play it with a controller. Def more responsive. Could also be a bit of me as when you release the button the character immediately stop accelerating up and falls. Probably the design choice, but that could have been what was causing my unresponsive feelings. I don't put too much stock into controls for WebGl games during game jams because I know from experience that at least 60-70% of the problem is WebGL and not the game....still a great job!