I had the same issues I saw in a few other comments installing from the itch.io client, I ended up having to download straight from the website
Anyways, I loved it. I have an unnatural love for all things raunchy and campy, and this scratches an itch I didn't know I have. Very much a BK/Conker clone, but that's no secret.
I'd love to see this with a full length story with fleshed out movement. I put a couple hours into this, but that's only because there's no double jump; We NEED a double jump.
Can't wait to see more, if that's the plan.