Yeah, that's the problem with jams - the time limit doesn't feel that limiting until you're near the end, haha. I totally understand easing the player in - I think that worked out really well.
I should have clarified that further, sorry. I didn't mean any of the actual gameplay mechanics for the buttons having problems, I meant specifically when you have to click the "continue to next level" or "Try again for a better time" buttons. The swing points worked perfectly fine from my experience! My monitor was something kind of weird for monitors - I think it's 200hz.
The only level I got stuck on was the final level, and that's because I'm bad with directions and such. I had a hard time figuring out how to get to the exit portal. I think that's less a fault of the game, and more on me. I didn't really have concerns about controls or pacing, everything made sense to me, personally. It felt like things were introduced and explored for a few levels before new things were added, and it never felt like mechanics were being shoehorned in. It felt like it was becoming a more complete game, which was great!
I will say, I did have one glitch that I couldn't replicate. It was on level 11, the first level with enemies. I don't know how it happened at all, but the grapple line got connected to a swing point pretty far away through a wall. It didn't pull me closer, and it would still let me shoot a grapple line elsewhere, so it was basically just a blue line connected to the player for no reason. Like I mentioned, I couldn't replicate it, I tried a couple of times, but I wasn't paying too much attention to exactly what was going on when it first occurred, to be honest.