I think your yellow “!” boxes are offset by one from where they’re supposed to be? Given the gameplay it looks like they’re supposed to span the track, but they’ve left a hole on the top side and they overhang the bottom side.
The green walls, as you can see from the gameplay footage, took me a long time to figure out lol. At one point I was thinking that I was moving too quickly, and that I needed to bring the large creature from the start up to that point to get through. At another point, I was thinking that the number represented a score that I somehow needed to attain before getting in! Not using a textbox that you have to click into could have helped there, and accepting Enter rather than forcing a click would have helped immensely, as both my hands were on the keyboard, neither was on the trackpad.
EDIT to add: i see that there is an explanation of the green wall in the info screen, but, i couldn’t easily read that screen because i don’t have notched scrolling. Trackpad scrolling does not get along with that screen! I tried to click+drag the scrollbar, but, that did nothing.